196 British Uredinee and Ustilaginee. 
Puccinia sonchi. Rob. 
Uredospores—Sori small, brown, mostly hypophyllous, at first 
bullate, then naked, roundish, pulverulent. Spores roundish 
or ovate, verrucose, 23-35 X 16-21. 
Teleutospores—Sori black, compact, roundish, surrounded by dark 
brown, clavate paraphyses, 80-100 & 12-154. Spores oblong 
or ovate, constricted, rounded at both ends, smooth, brown, 
35-60 X 20-304. Mesospores numerous, of similar form, but 
unicellular, apex more distinctly thickened (45-554). Pedicels 
long, persistent. 
Synonym. 
Puccinia sonchi, Rob. Winter in Rabh., “ Krypt. Flor.,” vol. i. 
p- 189. Desmaz., Ann. Sc. Wat., 3rd series, vol. ii p. 274. 
Grove, Science Gossip, 1885, vol. xxi. p. 9, figs. 6-9. 
On Sonchus arvensis » Mr. H. Hawkes. 
October. 
Puccinia lychnidearum. Link. 
Credospores—Sori on pallid yellowish spots, subrotund, flat, 
scattered, often arranged in a circular manner, hypophyllous, 
cinnamon-brown. Spores subglobose or ovate, pale brown, 
echinulate, 18-20 X 23-30. 
Leleutospores—Sori dark brown, on pale spots, oblong or roundish, 
generally circinating, soon naked, but persistent. Spores pale 
brown, ovate, clavate, or subfusiform, apex not thickened, 
smooth, 35-40 X 15-184. Pedicels long, persistent, hyaline. 
Synonyms. 
Puccinia lychnidearum, Link. Linn., “ Sp. Plant.,” vol. ii. p. 80. 
Berk., “Eng. Flor.,” vol. v. p. 367. Cooke, “Hdbk.,” p. 505 ; 
“* Micro. Fungi,” 4th edit., p. 210. 
Trichobasis lychnidearum, Lév. Cooke, “Hdbk.,” p. 505; 
“Micro. Fungi,” 4th edit., p. 224. 
Exsiccatt. 
Berk., 224. Cooke, i, 473 ii. 129. Vize, “ Micro. Fungi 
Brit.,” 31, 130; “ Micro. Fungi,” 125. 
