FLemicoleosportum. 251 
Credo tussilaginis, Pers. Grev., “Flor. Edin.” p. 438. 
Johnst., “ Flor. Berw.,” vol. ii. p. 198. 
Uredo petasites. Grev., ‘Flor. Edin.,” p. 441.  Johnst., 
“Flor. Berw.,” vol. ii. p. 198. 
Coleosporium sonchi-arvensis, Lévy. Cooke, “ Hdbk.,” p. 521 ; 
“Micro. Fungi,” 4th edit. p. 218, t. viii. figs. 178, 179. 
Coleosporium cacaliae, D. C. Cooke, “Micro. Fungi,” 4th 
edit., p. 218, 
Coleosporium tussilaginis, Lév. Cooke, “Hdbk.,” p. 520; 
‘Micro. Fungi,” 4th edit., p. 217, t. vill. figs. 180, 181. 
Coleosporium petasitis, Lévy. Cooke, “ Hdbk.,” p. 521; 
“Micro. Fungi,” 4th edit., p. 217. 
Eixsiccatt. 
Cooke, 1. 32, 80, 81; ii. 44, 151, 152; “L. F.,” 45. Vize, 
“Fungi Brit.,” 45, 48; ‘‘ Micro. Fungi Brit.,” 49. 
On Sonchus arvensis, oleraceus, Tussilago farfara, Petasites 
officinalis, Cacalia hastata. 
May to October. 
BIoLocy.—I have followed Winter and Schroter in uniting these 
species, but further biological observations will probably show some 
of them to be distinct. 7 
Coleosporium campanule. (Pers.) 
Uredospores—Sori yellow, small, rounded, soon pulverulent and 
scattered. Spores in short chains, rounded or elongated, 
verrucose, orange-yellow, 17-25 X 13-20p. 
Teleutospores—Sori at first orange, then red, at length brownish, 
flat, confluent. Spores cylindrical or clavate, generally four- 
celled, go-100 X 18-22p. 
Synonyms. 
Winter, /oc. cét., p. 246. Schrot., Zoe cit, p. 369. 
Uredo campanule. Pers., “Syn.,” p. 217. Grev., “Flor. 
Edin.,” p. 440. Johnst., ‘ Flor. Berw.,” vol. ii. p. 200. 
Coleosporium campanule, Lévy. Cooke, “Hdbk.,” p. 5213 
“ Micro. Fungi,” 4th edit., p. 218. 
Credo crustacea. Berk., “ Eng. Flor.,” vol. v. p. 378. 
