128 British Uredinee and Ustilaginee. 
Uromyces valerian. (Schum.) 
Acidiospores—Pseudoperidia hypophyllous, rarely cauline, circi- 
nate, scattered, cup-shaped, on the stem often elongate, 
slightly prominent, with torn, erect, white edges. Spores 
polygonal, finely echinulate, orange-yellow, 17-24 in diameter. 
Uredospores—Sori small, reddish brown, rounded, scattered or 
clustered, amphigenous. Spores spherical or elliptical, echi- 
nulate, pale brown, 20-30 XK 18—20n. 
Teleutospores—Spots irregular, dark brown, sometimes forming 
dendritic figures. Sori long covered by the epidermis, amphi- 
genous, slightly elevated. Spores elliptical or ovate, summits 
thickened, smooth, chestnut brown, 20-25 X 15-20m. Pedi 
cels short, deciduous. 
Synonyms. 
Uromyces valeriane (Schum.). Winter in Rabh., “ Krypt. 
Flor.,” vol. i. p. 157. Cooke, “ Grevillea,” vol. vii. p. 137. 
CUredo valeriane, Schum. ‘Enum. Plant. Sell.,” vol. il. p. 233. 
Lecythea valeriane. Berk., ‘ Outl.,” p. 334. Cooke, “ Hdbk.,”’ 
p- 523; ‘‘ Micro. Fungi,” 4th edit., p. 222. 
Ecidium valerianacearum, Duby. Cooke, ‘‘Hdbk.,” p. 540; 
““ Micro. Fungi,” 4th edit., p. 196; “Eng. Flor.,” vol. v. p. 370. 
Johnst., ‘ Flor. Berw.,” vol. ii. p. 206. 
Lxsiccatt, 
Berk., 349. Cooke, i. 63, 103; il. 64, 88; “L. F,” 32, 56. 
Vize, ‘“‘ Micro. Fungi Brit.,” 132, 448; “ Fungi Brit.,” 68. 
On Valeriana officinalis and dioica. 
Ecidiospores, May and June; uredospores, June and July ; 
teleutospores, July to September. 
B1oLoGy.—The presence of the mycelium in the leaves and stems 
causes the zcidiospore-sori to be seated on the thickened spots. 
Uromyces parnassiz. (D. C.) 
:cidiospores—Hypophyllous on pallid spots, in rounded patches. 
Pseudoperidia, tawny yellow, between urceolate and concave, 
with thick edges. Spores pallid. 
Uredospores—Spores ‘spherical, rough, 20-2544 in diameter. 
