TQO British Uredinea: and Ustilaginea:. 



Synonyms. 



Pitccmia iridis, D. C. Winter in Rabh., " Krypt. Flor.," vol. i. 

 p. 184. 



Uredo iridis. D. C, " Encyc," vol. viii. p. 224. Berk., " Eng. 

 Flor.," vol. V, p. 376. 



Trichobasis iridis. Cooke, " Micro. Fungi," 4th edit, p. 227. 



Fucci?iia triincata. B. and Br., No. 754. Cooke, "Hdbk.," 

 p. 494 ; " Micro. Fungi," 4th edit., p. 203. 



Exsiccati. 



Berk., 59. Cooke, i. 77 ; " L. F.," 28. Vize, " Fungi Brit.," 

 122. 



On Irisfcztidissiina, pseudo-acorns. 

 July to December. 



Biology. — The uredospores which occur on certain cultivated 

 species of iris, as Iris ibcrica, tolniicana, etc., produced no effect upon 

 I. fcetidissiiJia ^ndpsendo-acorus. (See Uredo iridis, 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 i2-r5/x. 



Teleutospores — Sori black, elliptical or linear, compact, sooner 

 naked and surrounded by the ruptured epidermis. Spores 

 clavate, slightly constricted, base attenuated, apex thickened 

 (io-20/x), hooded, round or conical, smooth, brown, 40-60 or 

 even So x 17-23/^. Pedicels short, firmly attached. 



Synonyms. 

 Puccinia oblongata (Link.). Winter in Rabh., " Krypt. Flor.," 



vol. i. p. 183. 



Ca;oma 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. 



