A uteupuccinia. 149 
irregular clefts without typical pseudoperidium. Spores 
rounded, pale orange, densely verrucose, 15-25 X 12-20p. 
Uredospores—Sori reddish brown, scattered or circinate, small, 
rounded. Spores spherical, pale yellow, finely echinulate, 
with very remarkably thickened margins to the three germ- 
pores, as seen in the moist state, 16-23 in diameter. 
Teleutospores—Sori round, blackish, dusty. Spores elliptical or 
ovate, central constriction slight, extremities rounded, apex 
scarcely thickened, finely punctate, brown, 25-35 x 20-25m. 
Pedicels deciduous, colourless, short. 
Synonyms. 
Puccinia prenanthis (Pers.) Winter in Rabh., “ Krypt. Flor.,” 
vol, i, p. 208. Schrot.,  Krypt. Flor. Schl.,” vol. iii. p. 318. 
Aicidium prenanthis. Pers., “Symb.,” p. 208 Cooke, 
“Hdbk.,” p. 542; “Micro. Fungi,” 4th edit, p. 198. Grev., 
Flor. Edin.,” p. 444. Johnst., “ Flor. Berw.,” vol. il. p. 205. 
Acidium compositarum, Mart. in part. Berk., “‘ Eng. Flor.,” 
vol. v. p. 370. 
Puccinia chondrille, Corda. Vize, Exs. 
Exstccatt. 
Vize, ‘ Micro. Fungi Brit.,” 211. 
On Lactuca muralis. 
April to September. 
Some of the teleutospores are as much as 4op in length. 
Puccinia lapsane. (Schultz.) 
Ai cidiospores—Pseudoperidia flat, amphigenous, with torn, white 
reflexed edges, on purple, irregular spots. Spores ovate or 
subrotund, smooth, yellow, about 18 in diameter. 
Uvedospores—Sori orbicular, pulverulent, very numerous, often 
confluent, cinnamon-brown. Spores subglobose or ovate, 
brown, finely echinulate, 18-21 x 15-17p. 
Teleutospores—Sori small, flattish, black, pulverulent, numerous. 
Spores ovate or roundish, obtuse at both extremities, slightly 
(if at all) constricted, punctate, dark brown, 23-28 x 18-21u 
Pedicels hyaline, short, often oblique. 
