HYDNUM. 151 



when young, then irregularly scaly ; spines greyish-brown, 

 tips whitish ; stem white, short, thinner at base ; spores 

 subglobose, 5-6 /j, diam. 



Mydnum squamosum, Sohaeff., t. 273 ; Stev., Fung., p. 234. 



On the ground amongst pines, &c. Flesh whitish, pileus 

 smooth when young. 



Hydnum scabrosum. Fries. 



Pileus 3-4 in. across, very fleshy, turbinate, then plane, 

 rusty-umber, tomentose, then rough, with crowded squa- 

 mules ; stem about 1 in. long and thick, grey, blackish at 

 base, equal, or thinner below ; spines crowded, about ^ in. 

 long, awl-shaped, rusty-brown, tips pale ; spores 4-6 /t diam. 



Sydnum scabrosum, Fr., Epicr., p. 505 ; Stev., Fung., p, 235. 



On the ground amongst pines, &c. Flesh white, spines at 

 first greyish brown. 



Hydnum laevigatum. Swartz. 



Pileus 4-7 in. broad, fleshy, compact, umber, even, very 

 smooth ; spines crowded, thin, about ^ in. long, pale brown ; 

 stem pale brown, variable in length and thickness, often 

 short and stout; spores 10-15 /j, long. 



Hydnum laevigatum, Swartz, in Vet. Akad. Handl., 1810, 

 p. 243 ; Stev., Fung., p. 235. 



On the ground in pine woods. Allied to Hydnum fragile, 

 with which it was at one time included by Fries, the latter, 

 however, is quite distinct in its softer substance, pileus at 

 . first pubescent, then rugulose, repand margin that is some- 

 times lobed, &c. 



Hydnum fragile. Fr. 



Pileus 4r-7 in. across, fleshy, fragile, unequal, margin 

 waved and lobed, pale at first, then grey or often brick-red, 

 at first pubescent, becoming smooth, but often minutely 

 squamulose or wrinkled ; flesh soft, grey, zoned ; spines ^— f 

 in. long, slender, fragile, whitish, then grey, scarcely decur- 

 rent ; stem smooth, grey, short and thick or elongated. 



Hydnum fragile. Fries, in Vet. Akad. Forh., 1851, p. 51 ; 

 Stev., Fung., p. 235. 



On the ground amongst pines, heather, &c. The pileus is 



