Agaricaceee 



A. SCORTEI (scortcns, leathery). Page 223. 

 Marasmius. Stem solid or stuffed, then hollow, fibrous within, outside covered 



with down. Gills separating from the stem, free. 



* Base of stem woolly or strigose. 



* Stem naked at the base, often interwoven with twisted fibers 



B. TERGINI (terginus, leathery). Page 225. 



Stem rooting, distinctly tubular, not fibrous, distinctly cartilaginous. 

 Gills receding then free. Pileus thinner than in the preceding group, 

 hygrophanous, even or with the margin striate. 



* Stem woolly below, smooth above. 



* Stem when dry covered with velvety down. 



C. CALOPODES ( Gr. beautiful; Gr. afoot). Page 226. 

 Stem short, not rooting, often with a floccose or downy, tubercular 

 base. Pileus convex, involute, then plane and more or less depressed, 

 in which state the gills typically adnate are subdecurrent. On twigs, 

 branches, etc. Gregarious. 



* Stem quite smooth above, shining, base not swollen. 



* Stem covered with velvety down, rather swollen at the base. 



MvCENA (inclining to Mycena). Page 227. 



Stem horny, hollow, often filled with pith, tough, dry. Mycelium 

 rooting, not floccose. Pileus somewhat membranaceous, bell-shaped, 

 then expaned, margin at first straight and pressed to the stem. 



A. CHORDALES (chorda, a gut). Page 227. 



Stem rigid, rooting or dilated at the base. Pileus bell-shaped or 

 convex. Type manifestly that of Mycena. 



B. ROTUL^: (rotula, a little wheel). 



Stem thread-like, flaccid, base not dilated or floccose but appearing 

 to enter the matrix abruptly. Pileus soon becoming plane or umbili- 

 cate. On leaves. 



* Stem quite smooth, shining. 



Stem minutely velvety or hairy. 



** 



APUS (a, without; pous, a foot). 

 Pileus sessile, resupinate. 



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