202 British U7^edinecE and UstilazinecE. 



Exsiccati. 



Cooke, i. 540 ; ii. 439. Vize, "Micro. Fungi Brit.," 34, 426. 



On ^gopodiitvi podagnij-ia. 

 April to August. 



Biology. — The presence of the mycelium in the stems and midribs 

 causes them to be much swollen and distorted. 



Puccinia epilobii. D. C. 



Tcleutospores — 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/x. Pedicels hyaline, 

 deciduous, rather short. 



Synojjyin. 



Puccinia epilobii. 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, Boian, Centralblatt, bd. 28 (1886), p. 395. 



Exsiccati. 

 Berk., 348. 



On Epilobiiim palustre. 



Puccinia asarina. Kze. 



Tcleutospores — 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 X 14-24/x. Pedicels very long, 

 deciduous. 



Synony7n. 



Puccinia asarina. Kze. and Schm,, " Mykol. Hefte," i. p. 70. 

 Cooke, "Hdbk.," p. 504. Winter in Rabh, " Krypt. Flor.," 

 vol. i. p. 172. 



