MICHIGAN ACADEMY OF SCIENCE. 225 
25. Pileus bell-sliaped or conical; stem slender: Galera. 
25. Pileus convex or plane; stem shorter and thicker: Naucoria. 
PINK-SPOREB AGARICS. 
26. Stem lateral or lacking: Claudopus. 
26. Stem central: (27) 
27. Volya present only : Volvaria. 
27. Volva and annulus lacking: (28) 
28. Gills free: Pluteus. 
28. Gills adnexed, adnate or decurrent (29) 
29. Gills sinuate; stem fleshy; plants rather large: Entoloma. 
29. Gills decurrent; stem fleshy or fibrous: Clitopilus. 
29. Stem cartilaginous; plants small, insignificant: 
Eccilia , heptonia and Nolanea. 
purple-brown-spored agarics. 
30. Annulus present; veil distinct: (31) 
30. Annulus and volva lacking: (32) 
31. Gills free : Agdricus. 
31. Gills not free: Stropharia. 
32. V eil present when young, seldom forming an annulus, sometimes 
remnants on margin of pileus, (appendiculate) . Hypholoma. 
32. Veil entirely lacking; fragile or delicate plants, unimportant: 
Psathyra, Deconica, & Psilocybe. 
BLACIv-SPORED AGARICS. 
33. Gills deliquescing into a black fluid when mature : Coprinvs. 
33. Gills not deliquescing; volva and annulus lacking (34) 
34. Pileus with striate or sulcate margin : Psathyrella. 
34. Pileus not striate, rather firm : Panoeolus. 
(Clavariaceae ) . 
(f) Fruit-body fleshy, rather large, simple or branched, varying from 
half-inch to 6 inches or more high : Clavaria. 
(f) Fruit-body not fleshy, — Clavaria-like but leathery and tomentose: 
Lachnocladium. 
ff) Fruit-body slender, thread like, cartilaginous. Pterula. 
(f) Fruit-body of the other genera are minute, mostly only several 
millimeters high. 
