190 British Uredinee and Ustilaginee. 
Synonyms. 
Puccinia ividis, D. C. Winter in Rabh., “ Krypt. Flor.,” vol. i. 
p- 184. 
Uredo tridis. D.C., “Encyc.,” vol. viii. p. 224. Berk., “ Eng. 
Flor.,” vol. v. p. 376. 
Trichobasis iridis, Cooke, “ Micro: Fungi,” 4th edit., p. 227. 
Puccinia truncata. B. and Br., No. 754. Cooke, ‘“ Hdbk.,” 
p. 494; “Micro, Fungi,” 4th edit., p. 203. 
LExsttcatt, 
Berk., 59. Cooke, i. 77; “L. F.,” 28. Vize, ‘‘ Fungi Brit.,” 
122. 
On Sris fetidissima, pseudo-acorus. 
July to December. 
BIOLOGY.—The uredospores which occur on certain cultivated 
species of iris, as Jvzs iberica, tolmieana, etc., produced no effect upon 
I. fetidissima and pseudo-acorus. (See Uredo ividis, p. 258.) 
Puccinia oblongata. (Link.) 
Uredospores—Sori reddish brown, bullate, scattered, roundish, 
oblong, long covered by the epidermis. Spores generally 
ovate or pyriform, epispore very thick, quite smooth, very pale 
yellow, generally 30-42 X 12-15. 
Teleutospores—Sori black, elliptical or linear, compact, sooner 
naked and surrounded by the ruptured epidermis. Spores 
clavate, slightly constricted, base attenuated, apex thickened 
(10-20), hooded, round or conical, smooth, brown, 40-60 or 
even 80 X 17-234. Pedicels short, firmly attached. 
Synonyms. 
Puccinia oblongata (Link.). Winter in Rabh., “ Krypt. Flor.,” 
vol. i. p. 183. 
Caoma oblongatum. Link., “ Obs.,” vol. ii. p. 27. 
Uredo oblongata. Grev.,t. 12. Berk., “Eng. Flor.,” vol. v. 
p. 376; “Outl,” p. 208. Cooke, “ Hdbk.,” p.529. Grev., “ Flor. 
Edin.,” p. 437. Johnst., “ Flor. Berw.,” vol. ii. p. 202. 
