160 Journal of Mycology [Vol. 12 
A. STIPE WOOLLY BELOW OR AT THE BASE, 
GLABROUS ABOVE. 
a. Pileus even or only rugulose. 19-22. 
b. Pileus striate or plicate-sulcate. 23-26. 
B. STIPE, AT LEAST WHEN DRY, EVERYWHERE 
PR UIN A TE- V EL VE T Y. 
a. Pileus even or only rugulose. 27-32. 
b. Pileus striate or plicate-sulcate. 33-37. 
III. STYLOBATAE. Pileus convex-involute, then plane 
and depressed. Stipe cartilaginous without a root, dilated at the 
base into a circular disk or floccose tubercle. Lamellae adnate. 
Growing on old wood, branchlets, sticks, etc. 
A. STIPE GLABROUS. 
a. Lamellae colored. 38-41. 
b. Lamellae white or pallid. 42-44. 
B. STIPE VELVETY OR PRUINOSE. 
a. Lamellae colored. 45-46. 
b Lamellae white or pallid. 47-51. 
IV. CALOPODES. Pileus convex-involute, then plane, 
and depressed. Stipe short, insititious (i. e. ingrafted, the my¬ 
celium innate and not visible). Lamellae adnate. 
Growing on old wood, trunks } branches, etc. 
A. STIPE GLABROUS. 
a. Lamllae colored. 52-54. 
b. Lamellae white or pallid. 
d. Pileus colored. 55 - 58 . 
b'. Pileus white or pallid. 59 - 60 . 
B. STIPE VELVETY OR PRUINATE. 
a. Lamellae colored. 61-62. 
b. Lamellae white or pallid. 
d. Pileus colored. 68-66. 
b' Pileus white or pallid. 
a". Stipe colored. 67-69. 
b". Stipe white or pallid. 70-74. 
§ 2. MYCENA. PILEUS FROM SUB-CARNOSE TQ 
MEMBRANACEOUS, CONVEX OR CAMPANULATE, 
THE MARGIN AT FIRST STRAIGHT AND APPRESSED. 
STIPE CARTILAGINOUS, TOUGH, DRY, FISTULOUS. 
LAMELLAE FREE OR ADNEXED, NOT DECURRENT. 
I. LONGIPEDES. Pileus a little fleshy or submembra- 
naceous, convex or campanulate then expanded. Stipe elongated 
and rooting among old leaves or in rotten wood. Lamellae free 
or attached to the stipe. 
