Melampsora. 239 
want of success. Lest there should have been any error in the deter- 
mination of the teleutospores, I tried them upon a plant of Rides rubrum, 
but with no result, the above-named botanists having stated that an 
allied Melampsora (Af. hartigt?) had for its acidiospores, Ceoma 
ribesit. 
Melampsora epitea. (Kze. and Schm.) 
Uredospores—Sori hypophyllous, rarely epiphyllous, generally very 
minute, but sometimes larger, at length pulverulent, orange. 
Spores globose, rarely subelliptical, echinulate, pale yellow, zou 
in diameter. Paraphyses very numerous, clavate, almost glo- 
bose, hyaline, base acute, smooth, 40 x 22y. 
Teleutospores—Hypophyllous, very small, at first brown, then almost 
black, subverruczeform, hemispherical, crowded. Spores cylin- 
drical, pale brown, 30-34 X 12-14. Epispore smooth, 2u 
thick. 
Synonyms. 
Melampsora epitea. Thiim., “ Monograph. der Weidenrust.,” 
p. 17. ~ 
Uredo epitea. Kaze. and Schm., “Mycol. Heft.,” i. p. 68. 
cidium salicis, Sow., t. 398, fig. 1. 
Lectythea epitea, Lév. Cooke, “ Micro, Fungi,” 4th edit., p. 221. 
On Salix viminalis. 
July to November. 
BioLocy.—Rostrup and Nielsen, according to Schroter (“ Krypt. 
Flor. Schl.,” vol. iil. p. 361), refer Coma ribesdd to this species ; but, as 
I understand the Danish botanists, they refer C. rébesid to M. hartigi#, 
which is not a British species. 
Melampsora mixta. (Schlecht.) 
Uredospores—Sori on the leaves, hypophyllous, orange, crowded, 
at length pulverulent, on the young branches large, erumpent, 
and confluent, also on the inflorescence. Spores elliptical or 
ovate, orange, echinulate, 14-18 X 12-15. Paraphyses very 
abundant, as much as 50m long, upper end swollen, capitate, 
15-28 wide, hyaline. 
Teleutospores—In small blackish crusts, hypophyllous, 
