180 British Uvedinee and Ustilaginee. 
Uredospores—Sori linear, oblong or rounded, sometimes confluer. 
amphigenous, golden-yellow. Spores globose, ,oval or su 
ovate, orange, finely echinulate, with or without capita 
paraphyses, 20-25 X 30-35m. 
Teleutospores—Sori small, sometimes round, but general 
elongate, oblong, or linear, covered by the cuticle, black, ofte 
in clusters, sometimes confluent. Spores very irregular i 
form and size, clavate, subfusiform, oblong, upper cell rounde 
truncate or attenuated, often obliquely, central constrictic 
little or none, lower cell generally cuneiform, clear brow: 
epispore often appearing granular, 40-60 X 10-12. Pedice 
very short. 
Synonym. 
Aicidium ranunculacearum, D.C. Cooke, ‘‘ Micro. Fungi 
4th edit., p. 196, in part ; “ Hdbk.,” p. 539. Johnst., “ Flor. Berw. 
vol, ii. p. 206, in part. 
Exsiccati, 
Vize, “ Micro. Fungi Brit.,” 443, 548. 
Ecidiospores on Ranunculus acris. 
Uredospores and teleutospores, on Alopecurus pratensis. 
B1oLoGy.—The life-history of this fungus was worked out in 
series of more than thirty cultures. The uredo, when produc: 
directly from the zecidiospores, is without paraphyses ; but these appe 
later on in the year. For details,see Quar. four. Micro. Scien 
vol. xxv., new series, pp. 164-166. I have found this species ne 
King’s Lynn ; and Mr. George Brebner has met with it at Aboy: 
Scotland. 
Puccinia persistens. Plow. 
At cidiospores—On thickened spots, which are purple-brown aboy 
yellow below, and surrounded by brownish margins, Pseuc 
peridia cylindrical, short, yellow, with torn white edgi 
Spores subglobose or oval, finely echinulate, orange-yella 
20-30 X 17-20, 
Uredospores—Sori small, orange, round or elongate, on yellow! 
spots. Spores subglobose, hyaline, finely echinulate, w 
orange-yellow contents, 25-30 in diameter, 
