Phragmidium. 221 
Uredo potentille, D.C. Grev., “ Flor. Edin.,” p. 438. Johnst., 
“Flor. Berw.,” vol. ii. p. 199. 
Uredo fragari@, Purton, “ Midl. Flor.,” vol. iii. p. 299. 
Pucinia fragarie, Purton, “ Midl. Flor.,” vol. iii. p. 304. 
Johnst., “ Flor. Berw.,” vol. ii. p. 193. 
Uredo potentille, Grev., “ Flor. Edin.,” p. 428; “ Scot. Crypt. 
Flor.,” t. 57, in part. 
Aregma acuminatum, Fries. Berk., “ Eng. Flor.,” vol. v. p. 358. 
Phragmidium acuminatum, Fries. Cooke, “ Hdbk.,” p. 490; 
“ Micro. Fungi,” 4th edit., p. 201, t. ili. fig. 32. 
LEixsiccatt, 
Cooke, i. 19; ii 211. Vize, “ Micro. Fungi Brit.,” rog. 
On Potentilla fragariastrum. 
May to October. 
Phragmidium sanguisorbe. (D. C.). 
A cidiospores 
Uredospores 
Teleutospores—Sori punctiform, black. Cells in the spores four or 
five, very seldom three, the four cells measuring 44-55 X 20-22, 
cylindrical, apex rounded ; the fifth cell 66—7op long, usually 
with a pointed apex. Epispore dark brown, smooth, or with 
a few scattered obtuse warts. Pedicels delicate, 22u long. 
\ Similar to those of Phragmidium fragariastrt. 
Synonyms. 
Schrot., Joc. cé¢., p. 352. 
Puccinia sanguisorba. D.C., “Flor. frang.,” vol. vi. p. 54. 
Caoma poterit., Schl. 
Phragmidium poterii, Fckl. 
Phragmidium sanguisorbea (D. C.). Schrot., loc. cit., p. 352. 
On Poterium sanguisorba, 
June to October. 
Phragmidium potentille. (Pers.) 
Aicidiospores—Like those of Ph. fragariastrt. 
Uvedospores—Sori orange-red, roundish, often confluent Spores 
