78 ERYTHEA. 
Uromyces aterrimus, D. & H. Uredo: sori oval or 
circular, covered by the straw-colored epidermis; uredospores 
elliptical or ovoid, 25-34 x 20-28, pale yellowish, echinulate, 
with numerous germ-pores. Teleutospores: sori of indefi- 
nite outline, confluent, pitch-black, surrounding the uredo- 
sori, composed of numerous cases of brown paraphyses, that 
include the spores. Teleutospores elliptical, 28-40 x 20-30,, 
smooth, little thickened or not at the apex, brown. Pedicels 
thin, somewhat shorter than the spores. 
On Allium unifolium. Berkeley, Alameda Co., Cal., May 
18, 1894, leg. W. C. Blasdale. 
From Uromyces ambiguus, DC. and Ur. bicolor, E. Gallw., 
the two next allied species, this differs by the abundant 
formation of paraphyses and by having larger teleutospores 
than Ur. ambiguus. Although some isolated bicellular 
spores have been observed, it seems unreasonable to refer 
this species to the genus Puccinia on account of their rare 
occurrence. 
Puccinia Dichelostemme, D. & H. Sori black, oblong, 
2-3 mm., pulverulent, surrounded by the torn epidermis. 
Teleutospores broadly elliptical or nearly spherical, 53-68 x 
48-55, central constriction wanting. Membrane unifermly 
thick ca. 54, smooth, dark brown, apacous. Pedicels short, 
mostly laterally attached. 
On Dichelostemma congestum. Bingen, W. Klickitat Co., 
Wash., May 22, 1894, leg. W. N. Suksdorf. 
Puccinia Parkere, D. & H. Sori hypophyllous on the 
convexity of impressed spots, firmly pulvinate, black, 1-2 mm. 
diam.. isolated or mostly arranged in close groups of 2-3 mm., 
on the pedicels elongated and causing distortions. Spores 
elongated or club-shaped, distinctly constricted at the sep- 
tum, rounded or conical above, attenuated or rounded below, 
smooth, brown, considerably (ca. 5-84) thickened at the 
apex, 35-50 x 13-194. Pedicels firm, colorless, as long or 
somewhat longer than the spores. 
On Ribes lacustre. Seattle, Wash., June, 1894, leg. Adella 
M. Parker and E. W. D. Holway. 
