154 FUXGUS-FLORA. 



about 2 lines long, rnsty-l)ro\vn ; stem firm, 2-3 in. long, 

 unequal, rusty-brown ; spores snbglobose, 4 ^ diam. 



JSydnum ferrugineiim, Fries, S. M. i. p. -iO^ ; Stev., Fnng., 

 p. 237. 



In fir woods. Often gregarious ; soft when young, corky 

 and dry at maturity. 



Hydnum scrobiculatum. Fr. 



Entirely ferruginous ; pileus 1-2 in. across, convex then 

 plane or depressed, corky, pubescent, slightly pitted and 

 scaly at the centre, flesh zoned; spines short (1 line), thin, 

 fragile, decurrent ; stem ^| in. long, :|^ in. thick, equal, 

 smooth, often rooting ; spores angularly globose, 3— i yu, diam. 



Hydnum scrvhiculatmn, Fr., Obs. i. p. 143 ; Stev., Fung., 

 p. 237. 



In fir woods. Becoming pale when dry ; gregarious and 

 often confluent. 



Hydnum zonatum. Batsch. 



Entirely ferruginous; pileus 1-2 in. across, coriaceous, 

 thin, depressed, zoned, radiato-rugose, margin paler, thin, 

 sterile beneath ; spines 1-2 lines long, slender, acute, pale, 

 then ferruginous ; stem ^-1 in. long, | in. thick, minutely 

 6(j[uamulose, base thickened ; spores globose, muriculate, 

 pale watery brown, 4 jx diam. 



Hydnum zonatmu, Batsch., F. 224 ; Stev., Fung., p. 237. 



In fir woods. Closely resembling H. scrdhiculaiinn ; dis- 

 tinguislied by the zoned, radiato-rugose pileus and iiiuriculate 

 spores. 



A small variety has been fuund at Ascot, remarkable for 

 an appearance in tlie spines like that of shot silk. Spores 

 furinginuuH. (]>. i^' I'r.) 



Hydnum nigrum. Fr. 



I'ikus lil;iekish-blue, usually without zones, margin i)alo ; 

 corky, rigid, convex, then depressed, tuberculose, tomentose, 

 2-4 in. across; flesh blackisli ; spines white, delicate, short; 

 stem about 1 in. long, stout, une<|ual, often rooting, black 

 witliout and within ; spores glubosc, fx diam. 



Hifdaum nhjrum. Fries, S. M. i. j>. I<)4; Stev., Brit. Fung., 

 p. 238. 



