34 BOTANICAL GAZETTE [JULY 
Puccinia pinguis Diet. & Holw., n. sp.— Sori scattered, on both 
sides of the leaf, but mostly hypophyllous, small: uredosori 
brown, naked, pulverulent; spores globose or ovate, 28-33 by 
24-30, echinulate, brown, with 2 germ-pores; teleutosori 
black, pulverulent; spores broadly elliptical, rounded at both 
ends, scarcely constricted, 48-53 by 33—40m, apex with a short 
hyaline hood (a similar one often over the germ-pore of the 
lower cell) ; membrane 5—6y thick, smooth, chestnut-brown ; 
pedicel easily separating from the leaf, longer than the spore, 
hyaline—On SBrickellia, Rio Hondo, near City of Mexico, 
Cree, ,%; 
Puccinia Guilleminee Diet. & Holw., n. sp.—Sori mostly 
epiphyllous, round, 0.5—-1™ in diameter, thick, sometimes con- 
fluent, dark-brown: teleutospores elliptical, rounded at both 
ends, very little constricted, 29-37 by 20-23m, epispore deep 
chestnut-brown, smooth, apex strongly thickened (4-7) ; ped- 
icel long, fragile—On Guilleminea, near City of Mexico, Oct. 7. 
PHRAGMIDIUM SUBCORTICIUM (Schrank) Wint.— On Rosa cult., 
Guadalajara, Oct. 14. 
Coleosporium Viguiere Diet. & Holw., n. sp.—Uredosori 
orange-yellow, small, scattered, hypophyllous, causing irregular 
yellow spots; spores in chains, elliptical or globose, 19-25 by 
15-204, epispore hyaline, with cylindrical warts: teleutosori 
similar to the uredosori, reddish-brown, wax-like ; spores cylin- 
drical, about 125 long, 14-22 wide, with orange-yellow con- 
tents.— On Viguiera helianthoides, near Tula, Oct. 6. 
CoLEOSPORIUM VIBURNI Arth.?—Uredo on Viburnum, near 
City of Mexico, Oct. 3. 
CoLreosporium Ipoma@# (Schw.) Burrill— On /pomea, near 
City of Mexico, Oct. 7. 
Pucciniosira Brickellie Diet. & Holw., n. sp.— On the stems 
and pedicels, forming irregular, mostly curved swellings ; pseudo- 
peridia shortly cylindrical, partly sunken, with margins irregularly 
toothed, cells verrucose, easily separating, yellow-white : teleu- 
tospores 2-celled, formed in long chains, separated by short 
sterile cells, elliptical, 28-35 by 18-24 , at first not constricted, 
