8 Cinciyinati Society of Natural Histoiy. 



*-■= Stipe 7i.>aiiting. 



IV. Apus. Pileus sessile. 



c. Pileus fleshy, 9-11. 



d. Pileus coriaceous, 12-14. 



V. Resupinati. Pileus none. 



e. Subiculum thick, fleshy, 15. 



f. Subiculum waxy, 16, 17. 



g. Subiculum membranaceous, 18-24. 

 h. Subiculum crustaceous, 25-30. 



1. Mksopus. Pileus entire, simple, the stipe central. 



All the species are terrestrial and grow chiefly in pine woods ; 

 this will account for their scarcity in the Miami Valley which is 

 notable for the absence of evergreen woods. 



a. Pileus fleshy. 



T. H. INFUNDIBULUM, Sow. Pileus fleshy-fibrous, tough, in- 

 fundibuliform, unequal, even, brown. Stipe unequal, pallid, with 

 a tapering base. Aculei decurrent, white, then bay. 



In woods, rare. Pileus 4-6 inches in diameter, the stipe 2-3 

 inches in length and an inch thick. 



2. H. REPANDUM, Linn. Pileus fleshy, fragile, more or less 

 repand, nearly glabrous, pallid. Stipe deformed, pallid. Aculei 

 unequal, concolorous. 



In rich woods, common. Pileus 3-5 inches broad, stipe 3-4 

 inches long The pileus is sometimes floccose-pruinose ; the color 

 varies from whitish to yellowish or a fleshy tinge, but it is un- 

 changeable. 



8. II. iiiiFKACTL'M, Berk. Pileus fleshy-tough, thick, glab- 

 rous, alutaceous. Stipe obese, alutaceous. Aculei equal, pale 

 alutaceous. 



In dry woods, rare. Pileus about 3 inches broad, the stii)e 2 

 inches in height. The pileus and sti])e are of a tough, fleshy sub- 

 stances, and at length becomes much cracked and split. A re- 

 markably rigid species when dry. 



I). Pileus coriaceous. 



4. H. /(.)NAruM, Batsch. Ferruginous. Pileus t-quaily cori- 

 aceous, ihin, expanded, more or less infundibuliform, zonate, be- 

 coi^ing glabrous, radiate-rugose ; the margin ])aler ami sterile un- 

 derneath. Stipe slender, nearly eciiial, floccose, with a tuberous 

 base. Aculei slender, pale, then ferruginous. 



