240 British Ui'edinecs and Ustilaginccs. 



Synonyms. 

 Thiim., "Monograph.," p. 20. 



CcBoma mixtiim. Schlecht., " Flor. Berol.," vol. ii. p. 124. 

 Lecythea mixta, Lev. Berk., A^in. Nat. Hist., No. 478. Cooke, 

 " Hdbk.," p. 531 ; " Micro. Fungi," 4th edit, p. 221. 



Exsiccati. 

 Berk., 120. 



On Salix purpurea. 

 May to November. 



Melampsora vitellinse. (D. C.) 



Uredospores—^Qxi small, round, soon pulverulent, golden-yellow, 

 amphigenous. Spores elliptical or ovate, echinulate, orange, 

 25-28 X 15-20/X.. Paraphyses fairly abundant, hyaline, smooth, 

 globose, with a short attenuated base, 30-36 X 30/A (Thiim.). 



Teleutosp07-es — Hypophyllous in small crusts (Schrot.). 



Synonyms. 



Thiim., "Monograph," p. 21. Schrot, loc. cit., p. 361, 



Uredo vitellincR. D. C, "Flore frang.," vol. ii. p. 231. Grev., 

 "Flor. Edin.," p. 437. Burton, "Midi. Flor.," vol. iii. p. 298. 

 Johnst., " Flor. Berw.," vol. ii. p. 200. 



Uredo saliceti, Schlecht Berk., " Eng. Flor.," vol. v. p. 385. 



Lecythea saliceti, Le'v. Berk., "Outl.," p. 334. Cooke, " Hdbk.," 

 p. 532; "Micro. Fungi," 4th edit, p. 221. 



Exsiccati. 

 Cooke, i. 316 ; ii. 63. 



On Salix pentandra, fragilis, triandra viminalis, vitellina. 



Melampsora tremulae. Tul. 



Uredospores — Sori small, generally hypophyllous, orange-yellow, 

 on the twigs larger, erumpent, pulverulent Spores subglobose 

 or ovate, echinulate, orange, 15-20 X 14-16/x. Paraphyses 

 numerous, clavate, 40-50 x 10-15/*. 



Teleutospores — Sori hypophyllous, abundant, reddish brown, then 

 black. Spores elongated, compressed, slightly attenuated 

 downwards, 45-50 X io-12/x. 



