REVISION OF THE NORTH AMERICAN HyDNACEAE 159 
8. Hydnellum floriforme (Schaef. ) 
Hydnum floriforme Schaeffer, Fung. Bav. et Pal. 4: 97. 1774. 
Hydnum suberosum aurantiacum Batsch, Elench. Fung. Contin. 
2: 103. 1789. 
Hydnum compactum Persoon, Comment. Schaef. 57. 1800. 
Hydnum hybridum Persoon, loc. cit. 
Hydnum aurantiacum Albertini & Schweinitz, Consp. Fung. 265. 
1805. - 
Hydnum aurantinum Rafinesque-Schmalz, Prec. des Decour. 50. 
1814. 
Hydnellum aurantiacum Karsten, Medd. Soc. Faun. et Fl. Fenn. 
8: 22. 71870. 
Calodon aurantiacus Karsten, Rev. Myc. 3': 20. 1881. 
Phaeodon aurantiacus Schroeter, Krypt. Fl. von Schlies. 3: 459. 
1888. 
Plants terrestrial, mesopodous, somewhat gregarious, medium 
size; pileus somewhat round or irregular, convex, plane or depressed 
to subinfundibuliform, often complicated or compound, 7. e., con- 
sisting of several pileoli with short usually lateral stipes uniting 
into the common more or less central stipe, 4-11 cm. wide; sur- 
face subeven, sometimes uneven or colliculose, usually pubescent, 
pale brick-red, reddish-orange or dark brownish, lighter to cream- 
color at margin ; margin thin, deflexed or obtuse, rounded, some- 
times repand, sterile; substance an upper punky, pale brick-red, 
relatively thin layer, and a lower hard, woody, zonate, grayish- | 
ochraceous to pale orange relatively thick layer extending into 
center of stem; stem central or excentric, occasionally lateral, 
more or less deformed, sometimes branched, usually bulbous 
below surrounded by a more or less compact subspongy mass, 
reddish yellow, pubescent, 1-3 cm. long, 0.5-2 cm. wide ; teeth 
slender, terete, acute, decurrent umber to fuscus with light tips, 
Sometimes deformed and coalescent, 4 mm. or less long ; spores 
subglobose to ovoid, tuberculate, dark brown or fuscous, 4 by 4-5 
wide. 
Нав.: On the ground in dry woods. July—Oct. 
Rance: Connecticut, Underwood; New Jersey, Ellis ; New 
York, Underwood & Cook, Peck; Alabama, Earle & Baker. 
Icon.: Batsch, Elench. Fung. Contin. 2: 2/. 40./. 222; Schaef- 
fer, Fung. Bav. et Pal. Icon. pl. 146. 
Exsicc. : Underwood and Cook, Century of Ill. Fung. 21. 
The plants referred to the above species present a great variety 
