1897 | MEXICAN FUNGI 37 
Acidium Mirabilis Diet. & Holw., n. sp.— Pseudoperidia on 
the under side of large yellow circular or irregular spots, which 
sometimes have a blister-like elevation, at first cylindrical with 
finely toothed edges, later irregularly torn to the, base; spores 
ovate or oblong, rarely globose, 20-30 by 14-224, with a thin 
slightly verrucose membrane.— On Mirabilis, Rio Hondo, near 
City of Mexico, Oct. 4. 
Uredo pallida Diet. & Holw., n. sp—Spots yellow or some- 
times lacking; sori mostly epiphyllous, oblong or sublinear, 
scattered or confluent, yellowish-white when dry, surrounded by 
the ruptured epidermis; spores ovate to pyriform, 20-26 by 
13-184, with hyaline shortly verrucose epispore.— On Tripsacum 
dactyloides, near City of Mexico, Oct. 1. 
PODOSORDARIA Ellis & Holw., n. gen.— Perithecia united 
in a stipitate stroma. Asci and sporidia as in Sordaria. 
Podosordaria Mexicana Ellis & Holw., n. sp.—Stroma with 
the short stipe irregularly obconical, 1-1.5™™ across, slightly 
mammillate above from the projecting apices of the perithecia, 
of carnose texture and of a light liver color: perithecia 3-10 in 
a stroma, ovate, globose, 400—500p in diameter, with black pap- 
illiform ostiola: asci cylindrical, obscurely paraphysate, short- 
stipitate, 8-spored, 115-150 by 15—20m: sporidia uniseriate, or 
biseriate above, elliptical, subhyaline at first, becoming nearly 
black and opaque, 25-34 by 12-14#.— On cow dung, Cuerna- 
vaca, Sept. 23. 
Hypocrea FisuLA De Not.—On log, Cuernavaca, Sept. (Det. 
by Ellis. ) 
PARODIELLA PERISPOROIDES (B. & C.) Speg.— On Zornia, near 
City of Mexico, Oct. 1. 
Homosrecia Parry (Farlow).— On Agave, Guadalajara, 
Oct. 12. (Det. by Ellis.) 
PHYSALOSPORA ARALIA Pat.—On some araliaceous tree, 
Cuernavaca, Sept. 
Perithecia hemispherical and sporidia smaller, but judging from the 
description it can hardly be separated. (Det. by Ellis.) 
ia Mexicana Ellis & Holw., n. sp.— Obconic, stipitate, 
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