288 B^'itish UrcdinecB and UstilannecB. 



<3 



Urocystis anemones. (Pers.) 



Producing roundish, elongate, or irregular swellings on the stems 

 and midribs. Spore-masses black. Spore-balls variable in 

 size, form, and composition, 35 x 25/x,. Teleutospores one 

 or two in number, rarely more, subglobose or polygonal, 

 opaque, dark brown, obscurely punctate, io-15/x. in diameter. 

 Pseudospores not very numerous, globose, or semiovate, pale 

 brown, seldom completely surrounding the teleutospores, 

 8-io/x in diameter. 



Syjionyms. 

 Schrot., loc. cit., p. 280. Winter, loc. cit., p. 123. 



Uredo anemones. Pers., " Disp. Meth.," p. 56. 

 Urocystis pompholygodes, Lev. Cooke, "Hdbk.," p. 517 ; 

 "Micro. Fungi," 4th edit., p. 232, t. ix. figs. 183, 184. 



Exsiccati. 



Berk., 236. Cooke, i. 79 ; ii. 148. Vize, " Micro. Fungi," 

 36; "Micro. Fungi Brit.," 4. 



On Anemone nemorosa, Ranunculus repens and bulbosus. 

 May to October. 



Biology. — See p. 94. 



Urocystis violae. (Sow.) 



Spore-masses black, in swellings on the stems and midribs. 

 Spore-balls irregularly rounded, 35-45/x in diameter, contain- 

 ing from one to six or more teleutospores, which are roundish 

 or polygonal, dark brown, 10-15/A in diameter. Pseudospores 

 distinctly hemispherical, pale brown, 6-1 o/a in diameter. 



Synonyms. 

 Schrot., loc. cit., p. 280. Winter, loc. cit., p. 122. 



Granularia violce. Sow., " Eng. Fung.," t. 440. 

 Urocystis violce, B. and Br. Cooke, " Hdbk.," p. 517 ; " Micro. 

 Fungi," 4th edit., p. 232, t. ix. figs. 185, 186. 



