202 British Uvredinee and Ustilaginea. 
Exsiccati. 
Cooke, i. 540; ii. 439. Vize, “ Micro. Fungi Brit.,” 34, 426. 
On £gopodium podagraria. 
April to August. 
BIOLOGY.—The presence of the mycelium in the stems and midribs 
causes them to be much swollen and disterted. 
Puccinia epilobii. D.C. 
Teleutospores—Sori small, roundish, rather crowded, ‘but seldom 
confluent, soon naked, surrounded by the torn epidermis, dark 
brown. Spores oblong or elliptical, often irregular, rounded 
at both ends, not thickened above, much constricted, brown, 
very minutely verrucose, 27-40 X 17-25. Pedicels hyaline, 
deciduous, rather short. 
Synonym. 
Puccinia epilobit. D. C., “Flore frang.,” vol. vi. p. 61. Grev., 
“Flor. Edin.,” p. 431. Berk, “Eng. Flor.,” vol. v. p. 368. 
Cooke, ‘‘Hdbk.,” p. 506; “Micro, Fungi,” 4th edit, p. 211. 
Johanson, Botan. Centralblatt, bd. 28 (1886), p. 395. 
Exsiccati, 
Berk., 348. 
On L£pilobium palustre. 
Puccinia asarina. Kze. 
Teleutospores—Sori small, brown, roundish, long covered by the 
epidermis, often circinate, at length naked. Spores ovate, 
elliptical, or fusiform, constriction slight, surmounted by a 
conical paler point, apex scarcely, base slightly (if at all) 
attenuated, pale brown, 30-40 14-24. Pedicels very long, 
deciduous. 
Synonym. 
Puccinia asarina, Kaze. and Schm., “ Mykol. Hefte,” i. p. 70. 
Cooke, “ Hdbk.,” p. 504. Winter in Rabh, “ Krypt. Flor.,” 
vol. i. p. 172. 
