HYDNUM. 159 



Hydnum squalinum, Fries, S. Mj'c. i. p. 420 ; Stev., Fung., 

 p. 241. 



Ou trunks. Not collected during recent years ; admitted 

 on the authority of the figures of Eay and Bolton. 



Hydnum membranaceum. Bull. 



Subiculum thin, smootli, closely adnate, effused for 1-2 

 inches ; spines awl-shaped, crowded, equal, about 1 line long, 

 acute, and like the subiculum, tawny ferruginous. 



Hydnum membranaceum. Bull., t. 481 ; Stev., Fung., p. 242. 



On fallen branches. Sometimes paler and yellowish, spines 

 often arranged in little groups, pale then brown. 



A glandular appearance on the upper part of the spines is 

 figured by Bulliard and Sowerby. The specimen represented 

 by Sowerby is cracked into little areolae, each of which bears 

 a fascicle of spines. (Berk.) 



Hydnum molluscum. Fries. 



Subiculum membranaceous, dry, readily separable from the 

 matrix, whitish ; teeth short, slender, reddish. 



Hydnum moUusciim, Fries, Summa Veg. Scand., p. 327 

 (note). 



Hydnum memhranaceum. Berk., Exs., n. 142. 



On wood. Distinguished from H. memhranaceum by readily 

 separating from the matrix, and by the white subiculum. 



Hydnum Weinmanni. Fr. 



Subiculum thin, closely adnate, smooth, buff, with a grey 

 tinge ; spines rather distant, minute, acute, equal, not 1 line 

 long, coloured like the subicuhim. 



Hydnum Weinmanni, Fries, Ele-ch., p. 13G; Stev., Fung., 

 p. 242. 



On fallen branches and rotten wood. Effused for 1-2 

 inches, grey when dry. Most general on poplar branches, 

 according to Fries. 



Allied to Hydnum memhranaceum ; very broadly effused, 

 not cracked ; excepting the spines, quite even, very smooth, 

 as is also the margin ; not truly innate with the matrix, but 

 appearing as if adglutinated. With the habit of a young 

 specimen of Thclephora livida. Spines not crowded, short, 

 but acute, slender, all equal, and up to the present I have 

 always seen them straight. Colour peculiar, sordid. (Fries.) 



