1. Tylopilus niveus G. Stevens., Kew Bull. 15: 381. 1961. This species is a member of the Strobilomycetaceae and was transferred to Porphyrellus by McNabb (1967).

Pileus 3 cm. diam., snow-white, exceedingly mucilaginous, pellicle of Loosely woven hyphae covered by large drops of mucilage containing a mass of small oil drops, fragments of a veil hanging on margin; flesh white, soft. Pores up to 1.5 mm. diam., dissepiments with woolly appearance under lens, Surface white at first, finally becoming pale pinkish fawn, depressed round stipe, hymenophoral trama mixed. Stipe 7 X 1-1.5 cm. tapering upwards, white, mucilaginous, covered by a network of ridges. Spores 17-18 X 6-7um, hyaline, ellipsoid, print almost colourless but with a pink tinge. Cystidia not seen

under Nothofagus at Totaranui, Nelson

Pileus 3 cm. diam., convexus, niveus, apprime glutinosus, velo annulari membranaceo fugaci appendiculatus; caro mollis, alba, immutabilis. Pori usque ad 1.5 mm. diam., albi tandem pallide roseo-hinnulei, ad stipitem rotundato-adnati. Stipes 7 X 1-1.5 cm., obclavatus basi incrassatus, albus, glutinosus, superficies reliculata reticulis longitudinaliter elongatis. Sporae 17-18 X 6-7um, hyaline, laeves, ellipsoideae, (Fig. I), in cumulo paene non coIloratum sed roseo-tinctum. Cystidia non visa.

 

Typus: Stevenson 978