192 British Uredinee and Ustilaginee. 
Teleutospores—Sori small, blackish, crowded in linear series, long 
covered by the epidermis. Spores irregularly elliptical or 
cuneiform, constriction slight or absent, summits generally 
truncate, often obliquely, rarely rounded, usually thickened, 
attenuated below, smooth, brown, 25-35 X 15-25. Pedicels 
very short, often obsolete. 
Synonyms. 
Puccinia baryi (B, and Br.). Winter in Rabh., ‘ Krypt. Flor.,” 
vol. i. p. 178. 
Epitea baryi. B. and Br., Ann. Nat. Hist., No. 755. 
Lecythea baryi, Berk. Cooke, “Micro. Fungi,” 4th edit., 
p. 222; “ Hdbk.,” p. 532. Berk., “Outl.,” p. 334. 
On Brachypodium sylvaticum and pinnatum. 
June to November. 
BIOLOGY.—This is probably a hetercecious species. Mr. Soppitt 
considers that it also occurs on Azra cesfpitosa. 
Puccinia bistorte. D.C. 
Uredospores—Sori yellow, small, irregularly rounded, soon naked, 
scattered. Spores rounded or elliptical, finely echinulate, 
yellow, 20-28 X 18-20. 
Teleutospores—Sori black-brown, very small, often confluent. 
Spores elliptical or ovate, very slightly constricted, apex not 
thickened, rounded, smooth, brown, 24-38 X 15-24p. Pedicels 
rather long, deciduous. 
Synonym. 
Puccinia bistorte, D.C. Winter in Rabh., “Krypt. Flor.,” 
vol. i. p. 186. Cooke, “ Micro. Fungi,” 4th edit., p. 204. 
On Polygonum viviparum. 
July to September. 
Puccinia pruni. Pers. 
Uredospores—Sori light brown, small, round, crowded, pulverulent, 
often confluent. Spores ovate or subpyriform, apex darker, 
