22 Trichofama. 



disc darker, often cracked ; g. crowded, hyaline ; s. 57 cm. cylin- 

 drical, stuffed, glabrous, apex naked, whitish ; sp. . 



cuneifolium, Fr. Smell strong. P. 1'5 2'5 cm. soon plane, dry, 

 brown, glabrous then squamulose; g. crowded, white, broad and 

 obliquely truncate in front; s. 25 cm. hollow, narrowed at base, 

 pallid, apex mealy ; sp. subgl. 35. 



Differs from T. atrocinereum in hollow stem. 



* * Gills discoloured, with rufous or grey, spotted. 



crassifolium, Berk. Smell strong. P. 510 cm. exp. wavy, 

 flesh thin, umb. ochraceous, disc darker; g. nearly free, becoming 

 yellowish, thick ; s. solid, paler than p., pruinose ; sp. 



[geminum, Fr. Stout, compact. P. obtuse, rufous cinnamon, 

 velvety then rimose ; g. crowded ; s. solid, floccose. 



sudum, Fr. P. 69 cm. soon plane, dry, greyish brown, glabrous, 

 disc often squamulose ; g. deeply emarginate, white then tinged 

 rufous ; s. 6 8 cm. solid, pallid, fibrillosely-squamulose, striate ; sp. 

 67 x 3-5. 



tumidum, P. Smell slight. P. 6 8 cm. bullate, deformed then 

 exp. and wavy, livid grey, spotted, somewhat shining, cracking ; 

 g. white then grey with rufous tinge ; s. 7 9 cm. stout, tumid, striate, 

 white, rooting ; sp. 6 x 4. 



var. Keittiii, Phil, and Plowr. P. rufous grey; s. dingy white, 

 tinged red near base. 



murinaceum, Bull. Smell strong. P. 5 10 cm. exp. sometimes 

 subumb. grey, silky, cracking into squamules ; g. deeply sinuate, broad, 

 grey ; s. grey with darker squamules ; sp. 



[bisontinum, Roll. P. pulvinate, cuticle thick, brown with green- 

 ish tinge, virgate with minute adpr. fibrils ; g. thick, grey, with flat, 

 transverse, more or less branched veins; s. solid, narrowed below, 

 fibrillosely striate, with minute dark granules above, pale; 10 12x6. 



hordum, F. P. exp. subumb. grey, dry, glabrous then breaking 

 up into squarrose scales ; g. rather distant, becoming greyish ; s. 6 8 

 cm. whitish, glabrous ; sp. 



virgatum, Fr. P. rigid, 5 9 cm. exp. umb. very dry, greyish, 

 virgate with radiating blackish lines ; umb. often broken up into 

 squaiuules ; g. broadly emarginate, becoming greyish, crowded ; s. 

 7 9 cm. striate, glabrous, whitish ; sp 6 8 x 5 6. 



The only dry sp. with a virgate pileus. 



[dissultans, Karst. P. fragile, thin, convexo-plane, acutely umb. 

 very dry, hoary with dense subreticulately interwoven superficial 

 fibrils, grey ; g. hoary ; s. hollow, equal, white, loosely fibrillose, apex 

 pruiuose ; sp. 5 6 x 4. 



[elytroides, Scop. P. exp. obt. scabrid, disc floccosely scurfy, 



