466 Massee. — A Monograph of the genus Inocybe ) Karsten. 
differing in the nodulose spores. Near to /. margarispora , which differs in the 
absence of cystidia. 
(Specimen of I. asterospora from Qudlet, and of I. subrimosa from Karsten 
examined.) 
proximella, Karst., Symb. Myc., ix, p. 44; Sacc., Syll. v, p. 781. 
P. conico-convex, then expanded and umbonate, even, then longitudinally 
fibrously cracked, pallid, the disc and especially the umbo passing into rusty brown 
or bay, 2-4 cm. ; g. adnate, crowded, ventricose, pallid then tan, finally brown ; s. 
stuffed, slightly narrowed upwards, usually ascending from the base, sometimes wavy, 
subfibrillose, pallid, flesh white, 6-8 cm. ; sp. irregularly oblong, slightly nodulose, 8- 
10 X 5—7 yu. ; c. ventricose, 55-70 x 12-16 /x, abundant. 
On the ground in woods. Finland. 
Superficially resembling I. asterospora , but distinguished by the ventricose gills, 
and more especially by the irregularly oblong spores. 
(Type specimen from Karsten examined.) 
praetervisa, Qu 61 ., in Bresad., Fung. Trid., i, p. 35, tab. 38 ; Qu 61 ., Flor. Myc., 
p. 99 ; Sacc., Syll. v, p. 782. 
P. conico-campanulate, then expanded and broadly umbonate, margin often 
lobed and split when old, lubricous, soon beautifully longitudinally rimose, fibrillose, 
disc glabrous, ochraceous tan, sometimes brownish towards the edge, 3-6 cm. ; g. 
crowded, almost free, white then greyish-cinnamon, edge fimbriate ; s. solid, terete, 
glabrous or subfibrillose, apex pruinose, white then straw-colour, base minutely 
marginately bulbous, 4-7 cm.; sp. irregularly-oblong, nodulose, 10-11x5-6//,; c. 
ventricose or fusoid, 55-75 X 20-30 /x. Flesh white. 
On the ground among herbage in pine woods. France. 
Distinguished from allies by the lubricous pileus. 
eriocephala, Sacc., Syll. v, p. 791; Ag. ertocephalus, Fries, Mon., i, p. 351 ; 
Fries, Icon. Sel., ii, p. 9, tab. no, f. 4. 
P. hemispherical, then convex, obtuse, silky, dry, white with a dull yellow tinge, 
and with white downy flecks, especially near the margin, 1-1-5 cm -i g- adnate, 
narrow, pallid then rusty; s. fistulose, silky-fibrillose, or sometimes squamulose, 
whitish, 5-8 cm. ; sp. irregularly oblong, apiculate, very slightly nodulose, some 
almost smooth, 6-7 X 5 /x; c. ventricose, scattered, 40-50 x 10-13 /x. 
On rotten wood. Sweden. 
Marked by the pale, obtuse pileus more or less covered with downy flecks, and 
the small, very slightly nodulose spores. 
(Specimen from Fries examined.) 
albodisca, Peck, 51 Rep. State Mus., p. 290 (1897) ; Sacc., Syll. xvi, p. 90. 
P. conical or campanulate, umbonate, smooth and whitish at the disc when 
fresh and moist, elsewhere dingy yellowish-brown or lilac-brown, paler and slightly 
fibrillose or silky when dry, longitudinally rimose, about 2*5 cm.; g. rounded behind, 
somewhat crowded, whitish then rather rusty; s. equal, solid, striate, glabrous or 
slightly pruinose at the apex, pallid, 3-5 cm. ; sp. suboblong, slightly nodulose, 
7-9 X 5-6 /x ; c. abundant, some very ventricose, others almost fusiform, 40- 
60 x 14-20 /x. 
