Ph ragm idiii ni. 221 



Uredo potcntlUcB, D. C. Grev., " Flor. Edin.," p. 438. Johnst., 

 "Flor. Bervv.," vol. ii. p. 199. 



Uredo fragaria;. Purton, " Midi. Flor.," vol. iii. p. 299. 



Puccinia fragarice. Purton, " Midi. Flor,," vol. iii. p. 304. 

 Johnst, "Flor. Berw.," vol. ii. p. 193. 



Uredo potentiUcE. Grev., " Flor. Edin.," p. 428; " Scot. Crypt. 

 Flor.," t. 57, in part. 



Aregma aaiminat/i/Ji, Fries. Berk., " Eng. Flor.," vol. v. p. 358. 



Phr-agmidinm acumiiiatum, Fries. Cooke, " Hdbk.," p. 490; 

 " Micro. Fungi," 4th edit., p. 201, t. iii. fig. 32. 



Exsiccati. 

 Cooke, i. 19; ii. 211. Vize, "Micro. Fungi Brit," 109. 



On Fotentilla fragariastrum. 

 May to October. 



Phragmidium sanguisorbae. (D. C). 



j^cidiosporcs 1 



,^ , V Similar to those of Fhragmidmm framriasiri. 



Uredospores j & j i, 



Teleutospores — Sori punctiform, black. Cells in the spores four or 



five, very seldom three, the four cells measuring 44-55 ^ 20-2 2/x, 



cylindrical, apex rounded ; the fifth cell 66-70/* long, usually 



with a pointed apex. Epispore dark brown, smooth, or with 



a few scattered obtuse warts. Pedicels delicate, 22/A long. 



Synonyms. 



Schrot, loc. cit, p. 352. 



Puccinia sanguisorbc^. D. C, "Flor. frang.," vol. vi. p. 54. 



Cceoma poferii., Schl. 



Phragmidium poterii, Fckl. 



Phragmidium sanguisorbce (D. C). Schrot., loc. cif., p. 352. 



On Poterium sanguisorba. 

 June to October. 



Phragmidium potentillse. (Pars.) 



^cidiospores — Like those o f Ph. fragariastri. 



Uredospores — Sori orange-red, roundish, often confluent Spores 



