ON GRAMINEA 975 
elliptical or linear, reddish-brown, pulverulent, without para- 
physes; spores subglobose or 
ovate, échinulate, brownish, 25— 
35 x 20—25 pu. 
Teleutospores. Sori similar, 
but larger (2—4 mm.), compact, 
pulvinate, black’; spores oblong, 
rounded at both ends, with a cap- 
like thickening (5—10 yz) above, 
plainly constricted, brown, 50— 
60 x 20—23 w; pedicels brownish, 
thick, persistent, 75—100 yw long. 
fcidia on Rumex Acetosa, 
May and June; uredo- and teleu- 
tospores on Phragmites communis, 
from July. Rare. (Fig. 209.) 
The results of Plowright’s cultures 
have been confirmed by Klebahn, but 
at any rate this species is very closely 
allied to the previous one, and should 
; : : Fig. 209. P. Trailii. Teleuto- 
rather be consider ed as merely a spores, and sori on leaf of Phrag- 
biological race of it. mites. 
XE 
DisTRIBUTION: Holland, Germany. 
129. Puccinia Agrostidis Plowr. 
Hieidium Aquilegiae Pers. ; Plowr. Ured. p. 263. 
42, Ranunculacearum var. Aquilegiae DC. ; Cooke, Handb. p. 539. 
P. Agrostidis Plowr. Gard. Chronicle, 1890, ii. 139; Grevillea, xxi. 
110. Sacc. Syll. xi. 202. Sydow, Monogr. i. 717. McAlpine, 
Rusts of Australia, p. 114, f. 27(2). Fischer, Ured. Schweiz, 
p. 353, f. 257. 
Spermogones. Honey-coloured, on round spots. 
Ajcidiospores. Aicidia on rather large roundish yellow spots 
which are often thickened and margined with brown, crowded, 
hypophyllous, shortly cylindrical, with a torn white margin ; 
spores faintly verruculose, orange, 16—30 x 14—20 pu. 
Uredospores. Sori amphigenous, on yellow spots, elongated 
or linear, about 1mm. long, bright-orange; spores globose to 
18—2 
