28 BOTANICAL GAZETTE [JULY 
bose or elliptical, 30-37 by 28-33, epispore up to 4p thick, 
chestnut-brown, echinulate, with 4 germ-pores: teleutospores _ 
elliptic or obovate, rounded at both ends, with a hooded thick- 
ening at apex, slightly constricted, smooth, brown, 33-41 by 
20-25; pedicel longer than spore, firm, brownish.—On 77i- 
sacum dactyloides, near City of Mexico, Oct 2. 
PUCCINIA CORONATA Cda.—On Bromus, near Tula, Oct. 5. 
Puccinia Cenchri Diet. & Holw., n. sp.—Sori very small, 
hypophyllous, scattered: uredosori surrounded by the ruptured 
epidermis; spores obovate or elliptical, 36-45 by 30-35, brown, 
echinulate, with equatorial germ-pores: teleutosori covered by 
the epidermis, black; spores oblong, mostly clavate, apex trun- 
cate or irregularly angled, sometimes constricted, narrowed or 
rounded at base, 40-53 by 18-25m, epispore smooth, brown, 
strongly thickened at apex; pedicel very short, brown.—On 
Cenchrus multifiorus, Guadalajara, Oct. 12. 
PuccINIA VEXANS Farlow.—On Bouteloua racemosa, near Tula, 
Oct. 6. 
PUCCINIA SUBNITENS Diet.— On Avistida dispersa, near Torreon, 
Oct. 
Puccinia versicolor Diet. & Holw., n. sp.—Spots epiphyllous, 
purple-red, or brown and yellow; sori hypophyllous, oblong or 
linear: uredosori yellow, surrounded by the ruptured epidermis ; 
spores ovate, 30-40 by 25-—31m, epispore very thick, colorless, 
with short spines, contents irregularly branched, or often star- 
shaped: teleutosori firm, pulvinate, black, surrounded by the 
ruptured epidermis; spores elliptical, scarcely constricted, 
rounded at both ends, smooth, chestnut-brown, apex variously 
thickened (generally not over 8), 35-45 by 27-33; pedicel 
hyaline, firm, up to 130” long.—On Andropogon melanocarpus, 
Guadalajara, Oct. 12. 
Puccinia Setarie Diet. & Holw., n. sp.—Sori mostly epiphyl- 
lous, elliptic or sublinear; uredosori cinnamon-brown, naked; 
spores elliptical or almost globose, sometimes angular, 28-38 by 
22-29, with a thick closely verrucose epispore, and 6—8 germ- 
pores, dirty yellow-brown: teleutosori pulvinate, black; spores 
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