Horak, E.; Wood, A.E. 1990: Cortinarius Fr. (Agaricales) in Australasia. 1. Subgen. Myxacium and subgen. Paramyxacium. Sydowia 42: 88-168.

Basidiomes rather robust and fleshy; pileus and stipe strongly and persistently glutinous; pileus not (or in old specimens only) transparently striate, not hygrophanous

Cortinarius subgen. Myxacium

Basidiomes rather fragile and brittle; pileus and stipe glutinous to viscid, gluten quickly drying up or washed off; pileus mem branaceous, with conspicuous, transparent striations, usually strongly hygrophanous

Cortinarius subgen. Paramyxacium

Australasian species of Cortinarius subgen. Myxacium

1’

Lamellae at first of different colours

Lamellae at first olive or green

group C

Lamellae at first blue-lilac-purple

Lamellae at first of different colours

Pileus and/or stipe at first blue-green

group C

Pileus and/or stipe at first blue-lilac-purple (often bleached out in old specimens)

group D

4’

Lamellae at first pallid, argillaceous, pale brown or pale rust brown

Lamellae at first bright yellow, dark ochre or rust orange; KOH-reaction positive

group E

5’

Pileus (and stipe) of different colours

Pileus (and stipe) pure white

group A

Pileus (and stipe) red, red-brown, brick-red, porphyry brown, etc

group B

Pileus pallid, argillaceous, pale brown, ochre brown, date brown, dark brown, etc

group E

and

subgen Paramyxacium

Myxacium group A: (basidiomes white)

1’

Basidiomes rather robust [cf. also bleached specimens of C. (Paramyx.) vitreopiliatus & C. (Paramyx.) viscostriatus]

Basidiomes fragile, slender; pileus (-20 min diam.) and fusoid slipe -4 mm diam ) viscid, soon dry, and becoming silky, lamellae apricot to ochre; spores 8-10 x 4.5-5.5 um ovoid subelliptic; under Nothofagus spp. and Leptospermum spp., New Zealand

C. (Myx.) olorinatus

2’

Pileus (-60 mm diam.) and stipe (-12 mm diam.) white, turning pale yellow, stipe with pale lilac tinge; spores 8.5-10.5 x 5-5.5 um ovoid to subamygdaliform, minutely verrucose; under Eucalyptus, Australia

C. (Myx.) austroalbidus

Pileus (-50 mm diam.) and stipe (-10 mm diam.) white, without yellow or lilac tints, strongly glutinous; lamellae chocolate brown to rust brown; spores 8-11 X 5-6 (-6.5) um, ovoid to subelliptic; under Nothofagus spp., New Zealand

C. (Myx.) cyaneus

Myxacium group B: (basidiomes with more or less red colours, e.g. salmon pink, cinnabar red, brick red, wine red, red-brown, liver brown, blood red)

1’

Smell indistinct

Smell very unpleasant of skatol; pileus -35 mm diam., apex of cylindric stipe dotted with glutinous drops; spores 10-14 X 6.5-7.5(-8) um avoid to subamygdaliform; cheilocystidia absent; KOH-reaction negative; under Nothofagus spp., New Zealand

C. (Myx.) indolicus

2’

Pileus -50 mm diam., smooth; stipe -45 mm long, base bulbous (and often submarginate); spores 8-10 X 5-7 um, ovoid; under Eucalyptus spp., Australia

C. (Myx.) erythraeus

Pileus -120 mm diam., radially wrinkled; stipe rooting, 200 mm. long; spores 12-13.5 X 7-7.5 um, amygdaliform; cheilo-cystidia present; KOH-reaction olive-yellow; under Nothofagus spp., New Caledonia

C. (Myx.) verecundus

Myxacium group C: (basidiomes olive-green, especially on pileus, combined with more or less blue colours

1’

Pileus blue-green (at least on young and fresh basidiomes, colour fading (from centre) to yellow, ochre or brown, -60 mm diam.; spores amygdaliform-subfusoid or globose-subglobose; KOH lilac(-pink)

Pileus -40 mm diam., olive at centre, yellow to yellow-brown towards margin; lamellae at first green-olive, with bluish tinge; stipe -55 X -10 mm, fusoid to clavate, pale green-olive, coated with yellow, glutinous remnants of universal veil; odour and taste raphanoid; KOH - negative; spores 7.5-9 X 4.5-5 gm, ovoid; cheilocystidia cylindric-clavate, with lilac, plasmatic pigment; under Nothofagus and Leptospermum, New Zealand

C. (Myx.) viscoviridis

Pileus with distinct, permanent, conic papilla; spores amygdaliform-subfusoid; under Nothofagus, New Zealand

C. (Myx.) aerugineoconicus

Pileus convex to umbonate or campanulate; spores globose subglobose; under Eucalyptus and Casuarina (Australia) and Leptospermum (New Zealand)

C. (Myx.) rotundisporus

Myxacium group D: (basidiomes all over or partially dark blue-lilac-purple, at least in young specimens, Colours fading with age or replaced by yellow, ochre or brown tinges)

Clamp connections absent cf. Cortinarius (Myx.) sect. Defibulati Australian and New Zealand taxa are described elsewhere

Clamp connections consistently present (on all septa)

2’

Only parts of basidiome (most often lamellae and apex of stipe in young specimens) with pale blue-lilac-purple colours

Whole basidiomes equally- (dark)blue-lilac-purple in young specimens, on pileus later fading and becoming redbrown, brown or ochre (cf. also C. cucumeris and C. porphyrophaeus). Australian and New Zealand taxa belonging to Cortinarius (Tel.) sect. Myxotelamonia are described elsewhere.

Spores globose to subglobose,.7-8.5 X 5.5-7 um (cf. also C porphyrophaeus) .

Spores ovoid or amygdaliform-subfusoid

4’

Pileus -25 um diam.; stipe cylindric (to subclavate,. spores minutely warted; under Nothofagus, New Guinea

C. (Myx.) indigoverus

Pileus -60 mm diam., stipe clavate to fusoid; spores coarsely warted; under Castanopsis-Lithocarpus, New Guinea

C. (Myx.) salor

5’

Spores larger, ovoid or amygdaliform-subfusoid

Spores 5.5-7 X 4-5 um, ovoid; pileus -60 mm diam.; stipe 80 mm long subclavate; under Eucalyptus, Australia

C. (Myx.) microarcheri

6’

Spores amygdaliform-subfusoid

Spores ovoid, 9.5-10.5 X 5.5-6.5 un, pileus -85 mm diam. stipe -40 mm long, cylindric, robust; under Eucalyptus Australia

C. (Myx.) subarcheri

Stipe distinctly fusoid or swollen-clavate at base: pileues 100 mm diam., spores 10.5-13(-14) x 4-7(-8) um

Stipe cylindric, base equal(-subclavate) or pestle-like marginate

Under Eucalyptus, Australia

C. (Myx.) archeri

Under Nothofagus, New Zealand

C. (Myx.) taylorianus

Basidiomes robust; pileus -120 mm; stipe-130 x -12 mm, base pestle-like or swollen-submarginate; spores 11-13 x 5.5-6.5um; under Nothofagus, New Zealand

C. (Myx.) bellus

Basidiomes slender; pileus -35 mm diam.; stipe -5.5 base equal(-subclavate); spores 10-12 x 4.5-6 um; nder Nothofagus, New Zealand, Argentina (type), Chile

C. (Myx.) magellanicus

10’

Pileus ± pale grey-brown, brown, red-brown or porphyry brown, occasionally with lilac tinges (from glutinous universal veil at margin

Pileus white to pale yellow; lamellae pale low; pale lilac tints only on stipe

cf. C. austroalbidus

11’

Pileus convex to broadly umbonate, never with conic papilla; odour and taste indistinct

Pileus with persistent, conic papilla, -50 un diam., ± dark lamellae at first dark lilac; stipe -90 x -8 mm, cylindric apex pale lilac fading to whitish; odour and taste very unpleasant, like raw cucumber; spores 9.5-12 x 5.5-6 um, elliptic (to guttiform); under Nothofagus, New Zealand

C. (Myx.) cucumeris

12’

Pileus dark brown, red-brown, liver brown or porphyry brown; spores coarsely warted

Pileus -50 mm diam., pale grey-brown, argillaceous, conspicuously marbled by darker, radially arranged streaks; lamellae at first pale lilac; stipe -50 x -16 mm, clavate, white; spores 13-16 x 6.5-7 um, elongate amygdaliform, minutely verrucose; under Leptospermum - Nothofagus, New Zealand

C. (Myx.) marmoratus

13’

Pileus red-brown,- liver brown or porphyry brown

Pileus -60 mm diam., dark brown to date brown, any red-brown tinges absent; lamellae at first lilac; stipe -65 x -13 mm (at apex), subfusoid to gradually tapering-rooting, white; spores 11.5-15 X 6-7 um elongate amygdaliform; under Castanopsis, New Guinea

C. (Myx.) pituitosus

Pileus -65 mm dark liver brown; lamellae at first lilac; stipe -65 x -12 mm subclavate, pale lilac turning white to pale brown; spores 11.5-14 X 6.5-7.5 um sublimoniform; conspicuous cheilocystidia fusoid with cylindric neck; under Nothofagus, New Caledonia

C. (Myx.) neocaledonicus

Pileus -40 mm diam,dark liver brown to dark porphyry brown (margin often lilac in young specimens); lamellae at first lilac; stipe -60 x -8 mm, slender fusoid, apex lilac, otherwise white; spores 6-7 x 5-6 um, subglobose; cheilocystidia cylindric-subclavate; under Leptosper mum, New Zealand

C. (Myx.) porphyrophaeus

Myxacium group E: (basidiomes with white-yellow, ochre-yellow or bright yelloworange pileus; lamellae more or less yellow to mustard yellow)

1’

Pileus ochre-brown to bright ochre-yellow or orange-yellow

Pileus -60 um diam., at first white turning yellowish; stipe -60 x -12 um, equal to subclavate, white (occasionally with lilac tinge); odour of "curry powder"; spores 8.5-10.5 x 5-.5 um, ovoid (to subamygdaliform), minutely verrucose; KOH-reaction ?; under Eucalyptus spp., Australia

C. (Myx.) austroalbidus

2’

Pileus (lamellae and stipe) bright ochre-yellow. mustard yel low or orange-yellow, umbo often darker, stipe ± fusoid: spores ovoid, smaller, verrucose; odour strong ranging from unpleasant to sweet-fragrant; KOH-reaction red(brown)

Pileus -85 mm, ochre-brown; spores 12.5-15 x 7-8 um, amygdaliform, minutely verrucose; stipe -75 x -17 mm, cylindric, equal, whitish; KOH-reaction ?; under Eucalyptus spp., Australia

C. (Myx.) subarvinaceus

Spores 6-7.5 x 4-4.5 um; pileus -50 mm diam. stipe -60 x 10 mm; under Leptospermum spp., New Zealand

C. (Myx.) ignotus

Spores 7.5-10 x 5-5.5 um; pileus -75 mm diam. stipe -80 x 15 mm; under Eucalyptus spp., Australia

C. (Myx.) sinapicolor

Australasian species of Cortinarius subgen. Paramyxacium

1’

Pileus, lamellae and stipe of different colours

Pileus, lamellae and stipe olive (or olive brown); pileus -35 mm diam.; stipe -40 x -5 mm, cylindric (to subclavate,; spores 6.57.5 x 4-4.5 um, ovoid; KOH-reaction - brown; under Leptospermum, New Zealand

C. (Paramyx.) phaeochlorus

2’

Lamellae and context of stipe not lilac (cf ... missing text here

Lamellae (and context of stipe) at first lilac; pileus -15 mm, date brown; stipe -35 x -2.5 mm, cylindric, pale yellow brown; spores 12.5-14.5 x 5.5-6.5 um slender amyg daliform; cheilocystidia (with lilac, plasmatic pigment) pre sent; under Nothofagus, New Caledonia

C. (Paramyx.) necessarius

Pileus bright yellow-ochre-orange, fulvous (often with ferruginous tinge) or golden brown with date brown centre

Pileus chestnut brown or pallid, argillaceous to brown (any yellow or ochre tinges absent)

Stipe equal (to subclavate); whitish to subconcolorous with pileus; odour indistinct; KOH-reaction (reddish) brown; spores ± amygdaliform

Stipe distinctly fusoid to bulbous with tapering base, at first ± white; KOH-reaction none; cheilocystidia absent

5’

Pileus -2 0 mm diam., yellow-brown to honey brown; stipe -3 5 x -3 mn; spores 7.6-9 x 4-5 um; cheilocystidia present; under Nothofagus-Leptospermum, New Zealand

C. (Paramyx.) melimyxa

Pileus -50 mm diam., bright yellow-ochre-orange; stipe -50 x 10 mm; spores 8-9.5 4.5-5 um cheilocystidia absent; under Eucalyptus, Australia

C. (Paramyx.) paraochraceus var. australiensis

6’

Pileus-18 mm, rust ochre; stipe -65 -4 mn, slender fusoid or gradually attenuated towards base; odour indistinct; spores 6-7.5 x 3.5-4 um, ovoid; under Leptospermum, New Zea land

C. (Paramyx.) gemmeus

Pileus -30 mm, yellow-brown to fulvous-orange; stipe -50 mm, -12 mm diam. at bulb; odour unpleasant or weakly of anisseed; spores 8.5-10 x 4.4-5 um, elliptic; under Nothofagus, Argentina (type), New Zealand

C. (Paramyx.) melleomitis

7’

Pileus pallid, argillaceous, caramel or brown (without ochre or red-brown tinges when young); cheilocystidia present or absent

Pileus -40 mm diam., dark chestnut brown; stipe -60 x 10 mm (at bulb), fusoid or gradually attenuated towards base; white; spores 6-7 x 3.5-4.5 um, ovoid; cheilocystidia absent; under Leptospermum (and Nothofagus), New Zealand

C. (Paramyx.) castaneiceps

8’

Pileus with conspicuously striate and translucent, at first pallid (occasionally also whitish) or argillaceous becoming caramel pale honey brown or date brown (at centre); gills pale argillaceous becoming darker with rust brown tinge

Pileus -30 mm, margin not conspicuously striate but radially streaked with grey or darker zones, viscid, argillaceous to pale brown; stipe -75 mm, fusoid (bulb -15 mm diam.), white; spores 11.5-13 x 5.5-6.5 um, slender amygdaliform; under Nothofagus, New Zealand

C. (Paramyx.) aegrotus

9’

Pileus -40 mm diam., viscid; stipe -55 x -7 mm, cylindric (to subclavate), white unchanging; spores 9. 5-12.5 x 5-6 um, elliptic; cheilocystidia absent; under Nothofagus spp. New Zealand

C. (Paramyx.) viscostriatus

missing text ... pileus 12 mm, subclavate (to cylindric), white, apex gradually turning yellow-brown or brass yellow; spores 10.5-13 (-14) x 5.5-7 um amygdaliform cheilocystidia clavate; under Nothofagus Spp New Zealand

C. (Paramyx.) vitreopileatus

Cited scientific names

Metadata

Record id

1cb0eeba-36b9-11d5-9548-00d0592d548c

Record class

reference

Record source

Names_Fungi

Date added

18 March 2001

Date last updated

5 March 2010

BIOTAof NEW ZEALAND

BIOTA of NEW ZEALAND

Names and classification of bacteria, fungi, land invertebrates and plants