HYBNEI. 293 



Order III. HYDNEI. 



Hymenlum inferior, or ampliigenous, at first definitely pro- 

 truberant, spread over persistent spines, bristles, teeth, tubercles, 

 or papilla?. — Fr. Epicr.p. 504. 



Hymenium of awl-shaped spines, distinct at tlie base . . Hydiium. 

 Hymenium of gill-like teeth - 



Irregularly distributed, distinct from pileus . Slstotrema. 



Disposed in rows, 'J jncrete with pileus . . . Irpex. 

 Hymenium waxy — 



Of irregular tubercles RnAidum. 



Of crest-like wrinkles or veins Pkhhia. 



Of obtuse equal granules Gra/idmia. 



Subiculum fibrous, with crested, papillose, or spiny 



warts Odontia. 



Gen. 28. HYDNUM, Linn. 



Hymenium inferior, 

 aculeate ; spines at first 

 papillasform, awl-shaped, 

 or compressed, distinct 

 at the base. — Fr. Epicr. 

 p. 606. (Fig. 71.) 



Fig. 71. 



Sect. 1. Mesopus — entire, simple ; stem central. Terrestrial. 



A. Carnosa — pileus fleshy, subfragile. Edible. 



* Spines coloured. 



842. Hydnum imbricatum. L. "Imbricated Hydnum." 



Pileus fleshy, nearly plane, sub-umbilicate, tessulato-squa- 

 mose, floccose, not zoned, umber; stem short, even; spines de- 

 current, whitish cinereous. — Fr. Epicr. p. 505. Schceff. t. 140. 

 Fl. Dan. t. 176, 1500. Krombh.t.4:d.f.l-f^. Lenz.f. 60. Grev. 

 t.71. Cooke B.F.t.l6J.l. Kl.exs. no. 127. Eng.Fl.Y. p. 166, 

 NeesJ. 24.0. Barla. t. 38./. 1-4.. Harz.t.S.b. Bisch. f. 32U. 

 Bail. t. 2d. 



