Entyloma. 291 
On Ranunculus ficaria and sceleratus. 
May and September. 
BIOLOGY.—See p. 91. 
Entyloma matricariz. Trail. 
Spots on stems (irregularly rounded or oval), or more often on 
leaves, affecting the segments on all their surfaces, small, 
nearly white while conidia are being formed, but becoming 
brown and dry; conidia (produced freely on conidiophores 
pushed out in clusters from the stomata) fusiform or filiform, 
15-20 X 1°5-2u, pale yellowish, pluri-guttulate or faintly 3-4 
septate. Teleutospores abundantly formed in the tissues of 
the host, round or polygonal from pressure, 10-12 in diameter. 
Epispore smooth, about 1'5m thick, at first hyaline, becoming 
brown. 
On Matricaria inodora. 
At Finstown, in Orkney, in August, and plentifully near Aber- 
deen in September; J. W. H. Trail. 
** Conidia not formed on the living host-plant. 
Entyloma chrysosplenii. (B. and Br.) 
Spots whitish, thickened, roundish, 2-6 mm. across. Teleuto- 
spores globose or shortly elliptical, smooth, colourless, 10-124 
in diameter. 
Synonym. 
Schrot., Joc. czt., p. 283. 
Protomyces chrysosplenii, B. and Br. Cooke, ‘‘ Micro. Fungi,” 
4th edit., p. 227. 
On Chrysosplenium oppositifolium. 
June to September. 
Entyloma microsporum. (Ung.) 
In round or fusiform swellings, which become yellowish brown. 
Teleutospores globose or irregular, with a thick compound 
epispore, pale yellowish brown, 15-25 X 12-15,. 
