pileus minutely velvety Pileus umbonate Pileus mahogany red with bay to chestnut umbo, gills waxy white with English red edges, adnexed Pileus wood brown to buffy brown darker on umbo, gills thick, white,a adnexed subistant C. 5532 Pileus ochraceous orange to antimony yellow, gills lemon yellow, ad- nate, close C. 8-23 Pileus antimony yellow to yellow ochre, gills white, adnate,crowded C. 5128 Pileus convex, not umbilicate Pileus pinkish buff and cinnamon buff, stipe white above, chestnut or darker below C. 9-11 Pileus buckthorn brown or darker, stipe nearly black C. 9-11a Pileus mars orange to burnt siena, stipe yellow ochre to black C. 8-7 Pileus umbilicate or at least flat with disc depressed Stipe velvety, margins striate Stipe burnt siena to chestnut, pileus auburn to orange rufous, gill medium spacing Stipe Prout's brown, pileus vinaceous buff, gills subistant C. 8-28 Stipe smooth, white except at base, margins not striate, gills close Pileus Saccardo's umber to sepia C. 8-29 Pileus Light brownish olive C. 7-23, 8-6 Pileus auburn to apricot buff C. 7690 Pileus smooth, neither viscid nor velvety Pileus white or nearly so, not differently colored on the disc,gills white Pileus umbonate Gills close, adnate, medium width, margin striate C. 9-11 C. 4643 Gills crowded very narrow Pileus convex to expanded, not umbilicate Gills broad, adnate, pileus 4-8 cm sometimes reddening C. albidulus Pat. Gills adnexed, close; pileus 1-1.5 cm, stipe gray to fuliginous C. muscicola 2-3 cm x 1 mm Gills adnate, subistant, pileus 3 cm, stipe white compressed, C. 7-29 Pileus flat, 4 cm, gills narrow, close, ventricose, nearly free, stipe white 12 cm x 4 mm C. 8-15 Pileus flat to convex, center depressed; 6 cm., gills broad, distant, adnate, stipe white becoming minutely velvety 6 cm x 4 mm C. 7-25 Pileus convex toflat, center depressed, 5-8 cm,gills narrow, crowded, nearly free, stipe isabella to testaceous rough with scales pointing upward, 3 cm x 3-4 mm C. Botryana Pileus convex center deeply umbilicate, 1.8 cm, gills broad, close adnate, stipe white, 2 cm x 2 mm. C.7-30 Pileus some shad of purple, blue or green Pileus deep azure (53), glabrous, gills broad,deep azure blue C. cyanocephalus Pileus dusky green-gray(35"')fibrillose, pellicle separable, gills narrow, white C. 7670 Pileus lime green (25"),disc tawny(13') or lighter, gills narrow white C. 4983 Pileus dull lavender to dark lavender, gills narrow, white C. 9-11