88 
MILDEWS, RUSTS AND SMUTS 
Uromyces minor, Schroet. 
Aecidia. On yellowish spots on the under surface; 
spores densely warted, 14—20 p. 
Uredospores. Sori generally on the upper surface. 
Teleutospores. Spores globose or ovate, with a very 
minute papilla, brown, very minutely warted, 15—25 X 
14—18 p, pedicel short, deciduous. 
On Trifolium pratense. 
Uromyces heimerlianus, P. Magn. 
Uredospores. Sori on under surface, minute; spores 
minutely warted, 18—24 p, 3—5 germ-pores. 
Teleutospores. Spores globose or ovate, brown, minutely 
and densely warted, 20—30 x 18—25 p, pedicel short, deci¬ 
duous. 
On Vicia hirsuta. 
Uromyces vicia-craccae, Const. 
Uredospores. Sori minute, on the under surface. 
On Vicia cracca. 
Uromyces briardi, Har. 
Uredospores. Sori scattered, or here and there crowded, 
generally on the upper surface ; spores echinulate, ig—23 
X 18—21 p. 
Teleutospores. Spores subglobose or ovate, tip not thick¬ 
ened nor papillate, brown, wdth large, pale, more or less 
conical warts, 22—32 X 20—25 p, pedicel slender, deci¬ 
duous. 
On Vicia sativa. 
EUPHORBIACEAE 
Uromyces tiiberculatus, Fuckel. 
Mycelium permeates the entire plant. 
Pycnidia and aecidia scattered over the entire under 
surface of the leaves ; spores 17—25 X 14-—20 p. 
Uredospores. Sori scattered on upper surface ; spores 
aculeolate, 20—25 p., 5—7 germ-pores. 
Teleutospores. Sori on both surfaces and stem, blackish ; 
spores globose or elliptical, papilla broad, pale, with scat¬ 
tered conical, blunt warts, brown, 20-—30 x 18—24 p, 
pedicel deciduous. 
On Euphorbia exigua. 
GERANIACEAE 
Uromyces trimcatulus, Trotter. 
Uredospores. Sori on the under surface ; spores globose 
or elliptical, minutely warted, 24—35 X 20^—28 p, epispore 
thick. 
