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ENTOMOPHTHOREAE. 
Empusa, Cohn. 
E. Muscae, Cohn. On dead house flies. 
Entomophthora, Fresenius. 
E. Aphidis, Hoffm. On aphides. 
; CHYTRIDEAE. 
Synchytrium, De Bary & Woronin. 
S. Mercurialis, Fckl. On living leaves of Mercurialis perennis. 
S. Anemones, Woronin. On living leaves of Anemone nemorosa. 
Rhizidium, A. Braun. 
R. Westii, Mass. Parasitie on Spirogyra nitida. 
Olpidium, ScArót. 
0. Lemnae, Schröt. On the epidermal cells of Lemna minor. 
PROTOMYCETEAE. 
Protomyces, Unger. 
P. Menianthis, De Bary. On living leaves of Potentilla 
Comarum. 
P. purpureo-tingens, Mass. On leaves of seedling sunflowers. 
(Mass. Brit. Fungi, 164, figs. 72, 73.) 
HYPODERMII. 
UREDINEAE. 
Uromyces, Link. 
U. Fabae, Cke. On Vicia Faba. 
U. Orobi, Wint. On Lathyrus macrorrhizus. 
U. Polygoni, Wint. On Polygonum aviculare. 
U. Trifolii, Wint. On Trifolium repens. 
U. Geranii, Wint. On Geranium pratense. 
U. Valerianae, Wint. On Valeriana officinalis. 
*U. Colchiei, Mass. On Colchicum speciosum. A destructive 
parasite that appeared once in the grounds, attacking every plant 
f the species named ; and although C. autumnale grew on one 
side of the bed of diseased plants, and C. byzantinum on the 
other, neither of the last named was-attacked. (Grev. xxi., 6, pl. 
182, figs. 16-18.) 
