19191 The Hydnums of K'oeth Caeolia^a 175 



short, stout, constricted at the septa, irregular, 10-2 S/x wide by 20-70iU 

 long; hyphae of the teeth very slender, tubular, rarely septate, 3-4^ 

 wide." 



9. Hydnum roseolus (Banker) 



The following species, found by ]Murrill and House in the moun- 

 tains of jSTorth Carolina and known from no other station, is described 

 by Banker, I have been through the Hydnums in the ISTew York 

 Botanical Garden, but have not been able to find any part of the type 

 (M. and H. 392) on which the species is l)asod. The following is the 

 original description (Mycologia 5 :16. 1913) : 



"Hymenophore terrestrial, mesopodous, gregarious, small to me- 

 dium size, 4-6 cm. high, pale-rose-color; pileus plane to convex, 3-4 

 cm. wide, 0.5 cm. or less thick; surface pubescent and slightly imbri- 

 cate, scaly, even, whitish tinged with old-rose ; margin thin, incurved 

 when dried ; substance fleshy-tough, drying into two layers, an inner 

 waxy and gummy, subtranslucent layer, and an outer dry, opaque, 

 subfibrous layer ; stem slender, subcentral, strongly inclined, subeven, 

 slightly radicating, scabrous, 2-3 cm. long by 7-10 mm, wide; teeth 

 very short, terete, tapering, acute, uniform, decurrent and abortive 

 on the stem, not crowded, 0.3-0,7 mm. long by 0.1-0.2 mm. wide, 10-20 

 to a square mm. ; spores pale-brown, tuberculate, ovoid, 4-5 x 5-(3/i 

 wide; basidia clavate, four-spored, o-Qf^- wide; sterigmata slender, 

 capillary, 3j". long; hyphae of inner portion of pileus clouded, smooth, 

 slender, tliin-walled, collapsing when dried, recovering in water and 

 KOIT, forming a somewhat intricate and compact tangle, scarcely 

 separable in KOH, septate, without clamp-connections, segments long, 

 irregular, subtubular, 4-7/^ wide, contents gramdar ; hyphae of outer 

 portion of pileus more even, tubular, and coiled." 



10. Hydnum fumosum (Banker) 



This species, known only from the mountains of Xorth Carolina, 

 is evidently quite different from any other American Hi/fJniin). Tlie 

 type collection is in the Xew York Botanical Garden (!Murrill and 

 House, No. 394). The description by Banker follows (^[ycologia 

 5:]r,. 1913): 



