204 British Uredinee and Ustilaginec. 
Exsiccatt. 
Cooke, i. 45. 
On Solidago virgaurea. 
August and September. 
Puccinia andersoni. B. and Br. 
Teleutospores—Spots epiphyllous, orbicular, surrounded by a brown 
border. Sori hypophyllous, compact, minute, but crowded into 
large circular patches, often almost concealed by the pubes- 
cence of the leaf, dark violet. Spores oblong, fusiform, or 
clavate, constricted, smooth, brown, upper cell often the darker, 
apex rounded or conically thickened (8 to 10m), 45-55 X 
zou. Pedicels long, stout, pale brown, 60-70 x 8-gp. 
Synonym. 
Puccinia andersoni. B. and Br., Ann. Nat. Hist., No. 1464. 
Cooke, ‘‘ Micro. Fungi,” 4th edit., p. 204. 
On Carduus heterophyllus. 
September and October. 
Den of Airlie, Scotland. Yorkshire; Mr. Soppitt. 
BIoLoGy.—A very striking species. The sori are crowded together 
in large round patches, often from 1 to 1.5 cm. in diameter; dark 
violet in colour, and are without paraphyses. 
Puccinia umbilici. Guép. 
Teleutospores—Sori seated upon pallid spots, round, often circinat- 
ing, convex, compact, then pulverulent, at Iength confluent in 
large orbicular patches. Spores dark brown, not constricted, 
smooth, globose or ovate, 28-30 X 24-264. Pedicels short, 
hyaline. 
Synonym. 
Puccinia umbilici, Guép. Duby, “ Bot. Gall,” p. 890. B.and 
Br., Ann. Nat. Hist., No. 470. Cooke, “ Hdbk.,” p. 505 ; “ Micro. 
Fungi,” 4th edit., p. 211, t. iv. figs. 80, 81. 
