248 ERYTHEA. 
cealed by the pubescence of the host plant, principally 
hypophyllous. Spores broadly oval or spherical, chestnut 
brown, finely echinulate, 24—30 y in diam. 
On Castilleia foliolosa. Berkeley, Cal., June, 1893, leg. 
Blasdale. 
Uredo sphacelicola, D. & H. Spots yellowish or absent. 
Sori amphigenous on the leaves, roundish, ca. 1 mm. in — 
diameter, pulverulent, at first covered by the ruptured 
epidermis, pulvous. Spores globose or nearly so, brown, 
densely echinulate, measuring 32—40 y in diam. 
On Sphacele calycina. Mt. Tamalpais, Cal., May, 1893, leg. 
Blasdale. 
Uromyces Chlorogali, D.& H. Amphigenous. Aicidia 
isolated, minute, opening by an oblong fissure of the pseu- 
doperidium; peridial cells loosely coherent; xcidiospores 
globose or broadly ovate, finely verrucose, with a colorless 
membrane, 31—40 y in diam.—Teleutospore layers irregularly 
scattered, first covered by the epidermis; soon naked, 
roundish or irregular, dark brown. Teleutospores globose, 
ovate or irregular, thin walled, not thickened at the apex, 
smooth, brown, 30—40 x 25—35 wu. Pedicels ca. 30 y, 
deciduous. 
On Chlorogalum pomeridianum. Berkeley, Cal., May, 
1893, leg. Blasdale. 
Puccinia Blasdalei, D. & H. Ascidia loosely arranged 
into roundish groups. Peridia opening with longitudinal 
fissures. Aicidiospores orange-yellow, finely verrucose, 
ovoid or polygonal, 24—31 x 18—14.—Uredospore pustules 
oblong, sometimes confluent, surrounded by the epidermis; 
uredospores broadly ovate or subglobose, membranes echin- 
ulate, nearly colorless, with orange-red protoplasmatic 
contents, 27—32 x 22-—30 y.—Teleutospores: sori black, con- 
fluent, covered by the epidermis; spores oblong or clavate, 
very irregular, mostly truncate or pointed above, rounded or 
attenuated below, slightly constricted at the septum, brown, 
apical thickening moderate; 36—60 x 18—27 y. Pedicels 
