36 BOTANICAL GAZETTE [yuLy 
heads; pedicels compound.— On /ndigofera, Esclava, near City 
of Mexico, Oct. 3; Guadalajara, Oct. 11. 
Easily distinguished from R. /ndigoferae Tranzschel by the upper side of 
the heads being smooth ; but differs from R. efiphylla (Schw.) (R. glanduli- 
formis B. & C.) only in the uredospores, 
RAVENELIA EPIPHYLLA (Schw.) Farlow & Seymour.—On 
Brongniartia podalymoides, Guadalajara, Oct. 12. 
Zcidium Bouvardie Diet. & Holw., n. sp.— Pseudoperidia on 
the underside of the leaves, on large (up to 1.5) yellow or 
brownish spots, rather crowded, shortly cylindrical, orange-red 
when fresh, soon turning white; edges either erect or recurved, 
irregularly toothed; spores elliptical or almost globose, 18-25 
by 15-204, finely verrucose——On Bouvardia triphylla, Rio 
Hondo, near City of Mexico, Oct. 4. 
Acidium roseum Diet. & Holw., n. sp.—Spots bright rose- 
red or purple-red, often with a yellow center; pseudoperidia 
hypophyllous, in round or irregular groups, with recurved irreg- 
ularly toothed edges ; spores almost globose, or oblong, 25-33 
by 23-26, with a thick, distinctly verrucose membrane, and 
orange-yellow contents, apex strongly thickened (5—8).— On 
Eupatorium, Esclava, near City of Mexico, Oct. 4. 
#cidium Mexicanum Diet. & Holw., n. sp.—Spots dry, cir- 
cular, 3-6™" in diameter, mostly with a yellowish-red margin ; 
pseudoperidia on the edge of the spots, small, 0.25-0.30™", 
shortly cylindrical, yellowish-red, with erect, finely toothed | 
white edges; spores mostly globose-polygonal, or elliptical, 
orange-yellow, with a hyaline, firm, often irregularly thickened 
finely verrucose membrane, 22-31 by 20—-24".— On Cissus, near 
City of Mexico. 
Distinguished from . Css? Wint. by its much larger spores. 
Zcidium Montanoe Diet. & Holw., n. sp.— Pseudoperidia’ 
upon swellings on the pedicels and young branches, causing 
considerable distortion, crowded, alveolate, with irregular deeply 
toothed edges ; cells 40-60 long; spores polygonal, almost glo- . 
bose, or irregularly ovate, 20-30 by 17—23y, with a thin, hyaline, 
verrucose membrane.—On Montanoa, near City of Mexico, Oct. I- 
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