1926] 



BURT THELEPHORACEAE OF NORTH AMERICA. XV 315 



Specimens examined : 

 Oregon: Corvallis, S. M. Zeller, 2098, 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.pl.l,f.2. 1925. 



Peziza 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 |x in 

 diameter, up to 120 n long; hymenium concave, often violaceous; 

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

 subangular, 9-12 x 6-9 \l. 



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

 to Y2 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- 



