Hcininroiuyces. 137 



Uromyces alchemillae. (Pers.) 



Uredospores — Sori golden-scarlet, hypogenous, rounded or ellipti- 

 cal,, frequently arranged radially, following venation of the 

 leaves, becoming confluent. Spores globose, elliptical, or oval, 

 epispore thickly covered with short sharp points, orange-yellow, 

 15-25 X 15-20/A. 



Teleutospores — Sori chestnut-brown, hypogenous, scattered, round- 

 ish, discrete, rarely confluent. Spores elliptical or ovate, 

 verrucose, brown, 30-40 x 20-35/x. Pedicels rather long, 

 deciduous. 



SynoJiyms, 



Uromyces alchemillcB (Pers.). Winter in Rabh., " Krypt. Flor.," 

 vol. i. p. 146. 



Uredo alcheinilla'. Pers., " Syn.," p. 215. Grev., "Flor. 

 Edin.," p. 439. Johnst., "Flor. Berw.," vol. ii. p. 199. 



Uredo iiitrusa. Grev., " Flor. Edin.," p. 436. Berk., " Eng. 

 Flor.," vol. ii. p. 382. Johnst, " Flor. Berw.," vol. ii. p. 201. 



Uromyces ifitn/sa, Lev. Cooke, "Hdbk.," p. 519; "Micro. 

 Fungi," 4th edit., p. 213. 



Uromyces alchemilla, Fckl. Cooke, "Grevillea," vol. vii. p. 

 136. 



Trachyspora alchemiUce^ Fckl. Bot. Zeit., 186 r, p. 250. 

 Schroter, " Krypt. Flor. Scblesien," vol. iii. p. 350. 



Exsiccati. 

 Cooke, i. 121 ; " L. F.," 27. Vize, " Fungi Brit.," 40 ; " Micro. 

 Fungi Brit.," 43. 



On Alchemilla vulgaris. May to September. 



Biology. ^Those leaves which are attacked by the mycelium of 

 the uredospores do not properly develop, and are usually more elongated 

 in the stalk than the healthy ones. The teleutospores are much less 

 conspicuous than the uredospores. 



Uromyces alliorum. (D. C.) 



Uredospores — Subglobose, pale, 22 x 25/A. Epispore thin. 

 Teleutospores — Elliptical, brown, 30-35 X 15-iS/j,. Pedicels 

 very evanescent. 



