86 
MILDEWS. RUSTS AND SMUTS 
European species of Uromyces para^iiiic on host-plants 
that are natives of Britain, hut have not been recorded as 
occurring in this country. 
COMPOSITAE 
Uromyces solidaginis, Niessl. 
Teleutospores. Sori on 57ellowish spots on under surface 
of leaf, or on petioles and stems ; spores, elliptical or 
oblong, smooth, tip rounded and much thickened, 21—38 
X 14—21 p, pedicel persistent. 
On Soli dago virgaurea. 
CAMPANULACEAE 
Uromyces phyteumatum, Unger. 
Teleuto spores. Sori on under surface of leaf, minute, 
but generally crowded over surface of leaf ; .spores sub- 
globose or elliptical, tip rounded and slightly thickened, 
smooth, 21—35 X 16—24 p, pedicel long, slender, colourless, 
deciduous. 
On Phyteuma orhiculare and P. spicatum. 
SCROPHULARIACEAE 
Uromcyces thapsi, Bubak. 
Aecidia. Generally on under surface of leaf, on yellowish 
or purplish spots, yellow, edge erect and torn ; spores 
vvarted, 18—25 X ^4—21 p. 
Teleuto spores. Sori on under surface, mixed with aecidia 
or scattered, blackish ; spores ovate or elliptical, smooth, 
brown, tip rounded, slightly thickened, 18—35 X ii—18 p, 
pedicel persistent. 
On Verbascum lychnitis, V. nigrum, V. thapsus and V. 
thapsiforme. 
LEGUMINOSAE 
Uromyces astragali, Sacc. 
Pycnidia and aecidia present. 
U redo spores. Sori on both sides of leaf, minute, often 
covering the leaf ; spores echinulate, 15—24 X 14—22 p, 
3—germ-pores. 
Teleuto spores. 14—24 X 14—21 p. 
Aecidia on Euphorbia cyparissias ; uredo- and teleuto- 
spores on Astragalus, Oxytropis, Onobrychis. 
Uromyces genistae-tinctoriae, Wint. 
Uredospores. Sori seated on pale spots on the under 
surface of the leaf ; spores very minutely echinulate, 20—28 
X 18—^24 p, 3—6 germ-pores. 
