130 British Uredinece and UstilaginecE. 



Exsiccati. 



Cooke, i. 53S; ii. 143. Vize, " Micro. Fuagi," 139. 



On Salicoriiia hcrbacea. 



Biology. — The jecidiospores often occur on the young cotyle- 

 donary leaves, on yellowish spots. 



B. Heteruromyces. Schrot. 



Having the spermogonia and secidiospores on one host-plant, and the 

 uredospores and teleutcspores upon another of a different genus. 



Uromyces dactylidis. Otth. 



Aicidiospores — Pseudoperidia on rounded or elongated spots, 

 often in confluent clusters, cup-shaped, with everted torn white 

 edges. Spores polygonal, subglobose, or isodiametric, 15-25111 

 in diameter. 



Uredospores — Sori small, elliptical or oblong, scattered, long 

 covered by the epidermis. Spores almost spherical, rarely 

 ovate, echinulate, orange-yellow, 18-30 x 15-20/^,, without 

 paraphyses. 



Teleutospo7-es — Sori small, elongated or roundish, long covered by 

 the epidermis. Spores irregularly rounded or oblong, some- 

 what thickened and darker above, smooth, brown, 18-20 x 

 14-17/11. Pedicels short, persistent. 



Synonyms. 



^cidium raminculacearum, D. C. in part. Cooke, " Hdbk.," 

 P- 539 j " Micro. Fungi," 4th edit, p. 196. 



Uromyces dactylidis. Otth., "Nat. Ges. in Bern." (1861), 

 p. 85. Winter in Rabh., " Krypt. Flor.," vol. i. p. 161. 



Uromyces graminum. Cooke, " Hdbk.," p. 520 ; " Grevillea," 

 vol. vii. p. 138; "Micro. Fungi," 4th edit., p. 214. 



Exsiccati. 



Cooke, i. 537. Vize, "Fungi Brit.," 37; "Micro. Fungi 

 Brit.," 139. 



^cidiospores on Ranunculus Imlbosus, May and June. 

 Teleutospores on Dactylis glomerata, July to October, and 

 continuing on the dead stems until the following spring. 



