298 PHRAGMIDIUM 
8. Phragmidium Rubi-Idzi Karst. 
Puccinia Rubi-Idaet DC. Flor. fr. vi. 54. 
Lecythea gyrosa Berk. ; Cooke, Micr. Fung. p. 222, pl. 8, f. 162—4. 
Phragmidium gracile Cooke, Handb. p. 491; Micr. Fung. p. 201, pl. 3, 
f. 42, 48; Grevillea, iii, 171, pl. 45, f. 9. 
P. Rubi-Idaei Karst. Myc. Fenn. iv. 52. Plowr. Ured. p. 226. Fischer, 
Ured. Schweiz, p. 420, f 291. Sacc. Syll. vii. 748. Sydow, 
Monogr. iii. 146. 
Spermogones. Epiphyllous, in little groups, yellowish. 
ox 
Fig. 226. Ph. Rubi-Idaei. a, part of leaf of Raspberry, showing the circular 
groups of ceomata, nat. size; b, a single group, magnified, showing the 
spermogones in the centre, surrounded by a pulvinate ring of cxomata, 
still partly covered by the epidermis; c, scidiospore and d, paraphysis, 
x 600; e, teleutospore x 300; f, teleutospore after boiling in lactic acid; 
g, Single cell of same, showing the three coats, (1) hyaline and gelatinous, 
(2) dark and rigid, (3) the thin endospore; hk, one of the middle coats, 
detached by pressure, showing the three bordered germ-pores. 
4icidiospores. Czeomata epiphyllous, small, round, yellow, 
usually forming a circle round a group of spermogones, sur- 
rounded by a dense border of hyaline, clavate, inward-curved, 
