19261 



BURT — THELEPHOR.A.CEAE OF NORTH AMERICA. XV 315 



Specimens examined : 

 Oregon: Corvallis, S. M. Zeller, 2093, type (in Mo. Bot. Gard. 

 Herb., 58770). 



CYPHELLA 



Cyphella alboviolascens (Alb. & Schw.) Karsten, Finska Vet.- 

 Soc. Bidrag Natur och Folk 37: 133. 1882; 48: 400. 1889; 

 Sacc. Syll. Fung. 6: 669. 1888; Bourdot & Galzin, Soc. Myc. Fr. 

 Bui. 26: 225. 1910; Rea, Brit. Basid., 698. 1922; Pilat, Ann. 

 Myc. 22: 211. 1924; Monogr. Cyphellacearum Czechoslov. 2: 

 45. pZ. 1J.2. 1925. 



Pcziza alboviolascens Albertini & Schweinitz, Consp. Fung. 322. 

 pi. 8,f. 4- 1805. — Cyphella Curreyi Berk. & Broome, Not. Brit. 

 Fungi, 935, Ann. & Mag. Nat. Hist. III. 7: 379. 1861. 



Fructifications gregarious or scattered, somewhat spherical at 

 first, becoming flattened at the pore and somewhat hemispherical, 

 white, densely villose, sessile or subsessile, soft throughout and 

 easily sectioned, the margin inrolled; hairs white, rough, 6 ij, in 

 diameter, up to 120 [jl long; hymenium concave, often violaceous; 

 spores hyaline, even, flattened on one side, the convex side nearly 

 subangular, 9-12 X 6-9 (x. 



Fructifications up to 1 mm. broad in American gatherings, up 

 to }/2 mm. high. 



On dead twigs of Syringa vulgaris and Sambucus. Europe and 

 Maine. July to October. 



C. alboviolascens differs from C. Tiliae by softer fructifications, 

 shorter, nearly 3-angled spores, and shorter hairs. C. villosa is 

 closely related. 



Specimens examined : 

 Exsiccati: Sydow, Myc. Germ., 353. 



Germany: Brandenburg, P. Vogel, in Sydow, Myc. Germ., 353. 

 Czecho-Slovakia : A. Pilat. 

 Maine: Kittery Point, R. Thaxter (in Mo. Bot. Gard. Herb., 



58742, and Burt Herb.), comm. by W. G. Farlow (in Mo. Bot. 



Gard. Herb., 55573). 



C. fasciculata (Schw.) Berk. & Curtis 



Collections made on Alnus oregana extend the range of C. fas- 



