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Poria coprosmae G. Cunn. 1947

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G. Cunn.
G. Cunn.
1947
38
ICN
Poria coprosmae G. Cunn. 1947
NZ holotype
species
Poria coprosmae

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coprosmae

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Poria coprosmae G. Cunn. 1947

Coprosma sp., on bark of dead standing branch. Westland. Lake Mapouriki, 350 feet, Nov. 1946, Joan Dingley, type collection.Hoheria glabrata Sprague & Summerh., on bark of fallen branch. Westland. Douglas Rock track, Copland Valley, 3,500 feet, Jan. 1947, G.H.C. Olearia avicenniaefolia (Raoul) Hook.f., on bark of dead standing branches. Westland. Fox River, Old Glacier track, 580 feet, Nov. 1946, Joan Dingley. Weinnmannia racimosa L.f., on decorticated fallen branch. Westland. Waiho Stream, 500 feet, Nov. 1946, Joan Dingley.

Hymenophore appearing as discrete orbicular areas to 1 cm. diameter,or linear when to 5 x 1 cm., 0.5-1.3 mm. thick, with several outlying islands, at first cream, becoming isabelline or bay brown; margin definite, to 1 mm. wide, white or polished, becoming abrupt or inturned, even, brown; surface even, glancing, dissepiments not toothed. Pores not in strata, round or slightly irregular (in young specimens a few at first navicular and to 1 mm. long), cream or isabelline in section, 0.3-1 mm. deep, 75-150 µ diameter, or 5-8 to mm.; dissepiments 25-50 µ thick, of densely woven hyphae, apices even, of closely compacted hyphae. Context white or cream, discoloured when old, 0.1-0.2 mm. thick, of densely woven hyphae, appearing almost sclerotioid; skeletal hyphae of the bovista type, freely branched, aseptate, 2.5-3 µ thick, lumen variable, from 1 µ to being almost obliterated, non-staining, walls thinner in dissepiments; generative hyphae 2 µ thick, branched, septate, staining, with clamp connections. Basidial type merulioid, basidia cylindrical, or subclavate, packed closely into a permanent palisade, 6-8 x 2-3 µ. Spores allantoid, 3-3.5 x 0.5-1 µ, hyaline, smooth.

New Zealand.
Hymenophorum ad 5 x 1 cm., 0.5-1 mm. crassum, firmum, album, demum isabellinum vel fuligineum. Pori rotundati, 0.3-1 mm. profundi, 75-150 µ diam.; dissepimenta 25-50 µ crassa. Contextus cremeus, 0.1-0.2 mm. crassus, densiter textilis. Hypharum systema dimiticum. Hyphae skeletales libere ramificatae, bovistae typi, 2.5-3 µ crassae, aseptatae, lumine angusta; hyphae generatoriae 2 µ crassae, ramificatae, septatae, fibulatae. Typus basidialis merulioideus. Sporae allantoideae, 3-3.5 x 0.5-1 µ, leves, hyalinae.
Characters of the species are the bovista type skeletal hyphae, merulioid basidial type, small allantoid spores and delicate dissepiments. At first the hymenophore is soft, cream coloured, fragile and with somewhat large and irregular pores; as plants mature pores become smaller and more regular in shape, colour changes to some shade of brown, and plants become hard and horny with cliff-like abrupt margins. In one collection the hymenophore formed linear areas to 30 cm. in length.
Hab.: Coprosma sp. Westland, Lake Mapouriki, 120 m., specimen typicum.

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Poria coprosmae G. Cunn. 1947
Poria coprosmae G. Cunn. (1947)
Poria coprosmae G. Cunn. 1947
Poria coprosmae G. Cunn. (1947)
Poria coprosmae G. Cunn. 1947
Poria coprosmae G. Cunn. (1947)

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1cb1ad11-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
7 February 1995
1 November 2018
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