Genus Hydnum 



GENUS HYDNUM 



Spreading Hydnum (Edible) 



Hydnum repandum 



Cap or Pileas — Fleshy, fragile, moist, smooth or somewhat 

 scaly in mature specimens. Variable in colour ; light red, 

 pale buff, or rusty yellow. Convex, plane, or deeply con- 

 cave by the stem becoming 

 hollow. Margins often wavy. 

 1-4 inches broad. 



Teeth or Aculei — Pointed, whitish, 

 easily detached, leaving little 

 cavities in the fleshy cap. 



Stem or Stipe — Stem solid in young 

 specimens, hollow in older 

 specimens. Surface rather 

 rough ; often eccentric. 1-3 

 inches long. 



Flesh — Watery, lighter colour than 

 cap. ■ 



Spores — Whitish. 



Time — July to October. 



Habitat — Woods and open places. 

 Singly or in clusters. The speci- 

 men pictured was found in 

 North Carolina in February. 



Section of H. repandum 



Hydnum rufescens (edible) is more red than the typical 

 form, is smaller and more regular. 



White Hydnum (Edible) 



Hydnum albidum 



Cap or P ileus — White, fleshy. 1-2 inches broad. 



Teeth or Aculei — White, short. 



Stem or Stipe — White, solid, short. 1-2 inches long. 



Flesh— White. 



Time — June to August. 



Habitat — Thin, wet woods. 



Re-paV-dtim 



Ru-fes'-ccns 

 95 



Al-bi'-dilm 



