328 BOTANICAL GAZETTE | MAY 
truncate at apex, 30-45X20-304; epispore smooth, strongly 
thickened at apex, brown; pedicel firm, tinted, up to 75 long. 
On Polymnia maculata ?, Rio Hondo cafion, near city of Mexico, October 
4, 1899, no. 3562; October 30, 1899, no. 3562B. On Polymnia maculata, 
Patzcuaro, October 10, 1899. The latter host shrubby, 10-15 feet high; the 
former herbaceous only, 4-5 feet high. 
Uromyces Indigoferae Diet. & Holw., n. sp.— Sori epiphyllous, 
sparingly hypophyllous, scattered or in little groups on dead 
brown spots, and also on the petioles and young fruit, small, 
naked, surrounded by the ruptured epidermis, dark brown; ure- 
dospores globose or elliptical with short spines and three germ- 
pores, brown, 20-25 X 18-23; teleutospores elliptical or globose, 
smooth, chestnut-brown, strongly thickened at apex, 22-30 
X 18-25; pedicel long and firm, hyaline. 
On Indigofera Mexicana, Oaxaca, October 23, 1899, no. 3722. 
Uromyces GALPHIMIAE Diet. & Holw.—Uredo on G. Humboltiana, 
Guadalajara, September 14, 1899, no. 3409. 
UromyceEs VIGNAE Barclay ?—On Vigna stroboliphora, Guadalajara, 
September 15, 1899, no. 3424. 
Uromyces TRIFOLIAE (Hedw.) Lev.—On Trifolium, Pachuca, October 
6, 1899, no. 3588. 
UROMYCES GLoBosus Diet. & Holw.—On Sapium biglandolosum, Cuer- 
navaca, September 28, 1899, no. 3517. This is the host plant of the original 
collection. 
Uromyces Caapir (Schw.) Farl.—On Arisaema macrospathum, Cuer- 
navaca, September 29, 1899, no. 3522. The 1896 specimens are on this host, 
and not on A. Dracontium. 
URoMYCES SOLANI Diet. & Holw.—On SS. appendiculatum, Amecameca, 
October 31, 1899, no. 3761. 
Uromyces AEGOPOGINIS Diet. & Holw.—On Aegopogon cenchroides, 
Tizapan, Va!ley of Mexico, September 27, 1899, no. 3506. 
Puccinia Berberidis-trifoliae Diet. & Holw., n. sp.—Spots 
brown, or blackish-purple; sori hypophyllous, firm, strongly 
pulvinate, black, about 1-3" in diameter, linear on the petioles; 
teleutospores brown, quite variable in form and size, ellipti- 
cal, oblong or fusiform, rounded at apex, or conical, or often 

