1995) ARTHUR—RUSTS ON COMPOSITAE FROM MEXICO 201 
This species does not include the rusts on species of Gymnolomia occurring in 
the United States throughout the Rocky Mountain region, which belong to 
Puccinia Helianthi Schw. 
21. PuccintA ENCELIAE Diet. and Holw. 
On Encelia adenophora Greenm., Etzatlan, State of Jalisco, Oct. 2, 1903, 
no. 5092; Oaxaca, Nov. 10, 1903, no. 5360: Fncelia sp., Guadalajara, Oct. 3, 
1903, No. 5102. 
22. Puccinia Caleae, n. sp.—Spermogonia epiphyllous, crowded, 
in small groups opposite the aecidia, punctiform, inconspicuous, 
globoid, 100-130 broad: aecidia hypophyllous, in circular groups, 
peridia cylindrical, lacerate; aecidiospores globoid, 18-24 by 20-27H, 
wall pale yellowish, thin, closely and prominently verrucose: uredo- 
sori amphigenous, in small groups or scattered, small, early naked, 
pulyerulent, cinnamon-brown; uredospores globoid, or obovate- 
globoid, 20-24 by 24-30, wall dark cinnamon-brown, medium 
thick, 1. 5-2. 5m, sparsely and strongly echinulate, pores 2, opposite 
and near the equator: teleutosori chiefly epiphyllous, scattered, 
P1.5™™ across, early naked, somewhat pulverulent, blackish; 
teleutospores obovate-oblong or ellipsoid, 20-30 by 40-54, obtuse 
above, narrowed below, sometimes rounded at both ends, slightly 
°r hot constricted at septum, wall dark chestnut-brown, smooth, 
thick, 3-3-5#, apex unthickened, or with a more or less prominent 
and paler umbo, sometimes with a similar umbo on the lower cell 
next the septum ; pedicel colorless, firm, once to twice length of spore. 
Pay Calea axillaris urticaefolia Rob. & Greenm., Sayula, State of Jalisco, 
teivacs, ee no. 5126 (type): C. Zacatechichi rugosa Rob. & Greenm., Cuer- 
th igc, as gia 5301: C. hypoleuca Rob. & Greenm., Oaxaca, Nov. 
5097 - 3394, 5384: Calea sp., Etzatlan, State of Jalisco, Oct. 2. 1903, no. 
ie Puccinia Axiniphylli, n. sp.—Uredosori not seen; uredo- 
vee th the teleutosori ellipsoid or globoid, 16-24 by 21-26, wall 
yellowish, thin, 1-1. 5#, sparsely and strongly echinulate, pores 
Probably 3 and equatorial, very indistinct: teleutosori hypophyllous, — 
eregularly gregarious, or scattered, somewhat confluent, small, 
eed and imperfectly naked, dull chestnut-brown;  teleutospores 
es 2 or obovate-oblong, irregular, large, 24-30 by 45—6o#, obtuse 
obliquely truncate above, somewhat narrowed below, slightly or 
