1914] 



BURT THELEPHORACE^ OF NORTH AMERICA. I 205 



small, appressed, acicular branches, the larger of which are at 

 the apex of the fructification and spread slightly outward in 

 fan-shaped manner; stem glabrous, castaneous; hymenium am- 

 phigenous, on upper half of the fructification, avellaneo-ciner- 

 eous; basidia simple, hyaline, 4-spored; spores pale umbrinous 

 under the microscope, angular, 6-8 x 5-6/1. 



Fructifications l|-2 cm. high; spread of branches at the top 

 2-6 mm. ; stem 7-10 mm. long, 1 mm. thick. 



On the ground. Washington. January. 



This species is very distinct by its slender erect habit, cinereous 

 color, and only slightly spreading branches. 



Specimens examined: 

 Washington: Bingen, Klickitat Co., W. N. Suksdorf, 716, type. 



5. T. angustata Fries, (Nov. Symb. Myc. 92.) Actis R. Soc. 

 Sc. Upsal. III. 1 : 108. 1851. 



Type: in Herb. Fries. 



Fructification erect, cinereo-fuscous, pliant, becoming rigid 

 and somewhat woody; stem elongated, radicated, rugose, gla- 

 brous, compressed, irregularly divided at the upper end into 

 unequal, fastigiate, compressed branches, which are clothed on 

 the whole outer surface with the hymenium; hymenium amphi- 

 genous, subrugose, gray; basidia simple; spores umbrinous under 

 the microscope, obovoid, apiculate at base, flattened on one 

 side, echinulate, 14 x 7-9/jl. 



On decaying wood. Central America. 



Substance, color, and hymenium exactly as in T. cornuco- 

 pioides, but of the very different form of Clavaria rugosa and 

 having highly branched forms; stem 5 cm. long; color fuliginous. 

 The fructification is fleshy-pliant when fresh, but on drying 

 hardens much more than species of Stereum. 



Specimens examined: 

 Costa Rica: Oersted (in Herb. Fries), type. 



6. T. multipartita Schw. in Fries, Elenchus Fung, i: 166. 

 1828. Plate 4. fig. 7a. 



Type: in Herb. Schweinitz. 



Fructifications gregarious, erect, coriaceous, fusco-cinereous, 

 usually drying pallid; pileus infundibuliform, sometimes cleft 



