304 - The Botanical Gazette. . [August, 
Puccinia vulpinoidis D. & H., n. sp.—Hypophyllous, sori 
small, elliptical to linear. Uredospores obovate or elliptical, 
pale brownish, echinulate. Teleutosori long covered by the 
epidermis, afterwards erumpent, black; teleutospores clavate 
or fusiform, somewhat constricted in the middle, upper cell 
truncate or attenuated, often obliquely, thickened at the 
summit, lower cell cuneiform, clear brown, the apex being 
darker colored, epispore smooth, 40-65 x14-19u.  Pedicels 
persistent, about half the length of the spores. 
On Carex vulpinoidea. Lafayette, Ind., Nov. 1888, leg. 
H. L. Bolley. 
Puccinia areolata D. & H., n. sp.—Aecidia and teleutosori 
hypophyllous on pale spots of 1-2.5™" diameter. Aecidia 
forming small irregular groups, pseudoperidia decaying, 
white, with torn edges, aecidiospores ovoid, about 25x21 
with colorless minutely verrucose membranes. Teleutosori 
scattered, dark brown, punctiform to 1™" in diameter, soon 
naked, pulverulent. Teleutospores rather different in form 
and size, mostly elliptical to clavate, apex rounded, Sut 
mounted by a large hyaline papilla, lower cell with a eee 
papilla on the germ-pore beneath the septum, rounded att e 
base or somewhat narrowed toward it. Central coe 
moderate. Epispore beset with minute warts, hardly ven 
in water, brown; 50-80x21-34u. Pedicels deciduous, us® 
ally short. Bi 
On Caltha biflora. Skamania co., Wash., Aug. 1888, le: 
W. N. Suksdorf. : ou 
This is the fourth Puccinia on Caltha, all of which are * 
to occur in North America. Puccinia Treleastana vinici 
a a 
th of 
never seen the last named species from America. XXIX, 
parison we give figures of all four species. —Plate 
figs. 1-4. 
tical, slightly constricted at the septum, round 
apex with a flat conical hyaline thickening, !ow® 
vided with a similar lateral thickening, me 
(5-6), chestnut brown, smooth, 47-53 X 32-37# 
Re en ern ————— 
