ROBINSON, — MEXICAN PLANTS. 819 
yellow, 5 lines in diameter ; segments ovate-lanceolate, acutish ; orifice 
covered with a conspicuous dense white beard: anther cells nearly 
upright: crown of five short obtuse scales, adnate to the base of the 
corolla. — In foliage and bearded corolla this species approaches @. 
barbatus, HBK., which, however, has larger flowers and is from the 
coast. 
PHEROTRICHIS LEPTOGENIA. Densely hirsute: stems simple, 
erect, 1-2 feet in height, from a fusiform root: leaves short-petioled, 
obtuse ; the lower oval, smaller, subcordate ; the upper ovate to ovate- 
lanceolate: flowers in successive sessile intra- and super-axillary um- 
bels; pedicels 3 lines long: calyx hirsute; segments lanceolate, acute, 
1} lines long: corolla 4-6 lines in breadth; its segments widely 
spreading, oblong-ovate, obtuse, greenish, striped with yellow, very 
thinly bearded or glabrate: corona equalling but not exceeding the 
stigma: membranous appendages of the anthers conspicuous: appen- 
dage of the stigma conical obtuse. — Collected on hills rear Patzcuaro, 
30 July, 1892 (no. 5279), and again on dry slopes near Guadalajara, 
25 July, 1893 (no. 4466). Possessing the habit of P. Schaffneri, 
Gray, and P. Balbisii, Gray, but differing in its somewhat larger, 
more Open and almost glabrous corolla. Mr. Pringle’s no. 1148, col- 
lected in the Mapula Mountains of Chihuahua, 26 October, 1886, is 
the same, and shows the fruit to be lanceolate in outline, very acute 
and hirsute, 2} inches in length. 
Euretia corpiroria. A large tree with light brown glabrate 
branches ; branchlets somewhat hirsute ; lenticels conspicuous: leaves 
thick, of harsh texture, ovate, obtusish or very shortly acuminate, 
serrate, cordate or subcordate, scabrous above, paler and soft pubescent 
beneath, 2-3 inches in length, two thirds as broad; petioles pubescent, 
$ inch in length: panicles terminal, only 1-14 inches in length: sepals 
Ovate-lanceolate, a line long: fruit oblong, 4-celled, 4 lines in length, 
2} lines in diameter. — Collected in valley, Zapotlan, 19 May, 1893 
(no. 4382). Of this species fruiting specimens only are at hand. 
They possess a strong habital resemblance to E. Mexicana, Wats., but 
have broader cordate leaves. 
Ipoma@a stans, Cav., var. nirsuTa. Very hirsute: leaves 
broad, sessile: sepals short, suborbicular. Collected by Dr. Edward 
Palmer on the Rio Blanco, Jalisco, August, 1886 (no. 324), and by 
Mr, Pringle on plains near Guadalajara, 80 August, 1893 (no. 4488). 
The typical form is merely puberulent, and has longer relatively nar- 
rower sepals, ase 
IrpoM@a PERLONGA. Stem a little puberulent or glabrous, slightly 
