104 PROCEEDINGS OF THE AMERICAN ACADEMY 
1} lines long, but 4 line broad: petals white, not equalling the ale: — 
capsule orbicular, retuse, slightly margined. — Amongst pines, hills of | 
Patzcuaro, Michoacan, August, 1892 (n. 4151). A species much — 
resembling P. scoparia, HBK., but differing in its narrower and more 
pointed sepals, and in its orbicular not at all oblong fruit. 
ABUTILON ATTENUATUM. Branches slender, terete, woody, stel- — 
late-pubescent: leaves lanceolate, attenuate, serrate, shallowly cor- 
date, 2-24 inches long, 10-12 lines broad, 3-nerved from the base, — 
green and finely pubescent with simple hairs above, somewhat palet 
and soft pubescent with stellate hairs beneath: petioles 2—4 lines long: 
flowers in open terminal subsimple racemes: pedicels spreading, i-9 
lines in length: calyx lobes pubescent, ovate, acuminate, 3 lines long+ 
corolla orange-yellow, once and a half as long as the calyx: capsule 
hirsute with spreading setaceous tips. — Slopes of mountains near Lake 
Chapala, Jalisco, November, 1892 (n. 4354). 
PAVONIA MELANOMMATA. Two feet or more in height, finely : 
glandular-pubescent : leaves ovate, acuminate, attenuate, crenate, soft : 
pubescent above, velvety and cinereous beneath, 3—4 inches long, half 
as broad, the radical considerably smaller; petioles an inch long: pedli- : 
cels 3-1} inches long: involucre of 5 linear bracts distinctly exceeding 
the calyx ; the latter stellate-pubescent throughout: corolla externally 
pubescent, 1} inches in diameter, 3-4 times as long as the calyx, esi 
plish white with an almost black glabrous centre; staminal colum? 
bearing near the base a number of short dark spatulate appendag® — 
(rudimentary stamens’): carpels glabrous, at maturity with shat? 
lateral angles, slightly keeled dorsally. — Volcanic hills, Monte Leo™ — 
Michoacan, November, 1892 (n. 4343). Possessing much the habit — 
of P. hirtiflora, Benth., but having ovate crenate leaves, corolla smooth 4 
at the base within, and staminal appendages. = 
Astragatus Totucanus. Root stout: stems several, slender 
ascending, knotted below, minutely appressed-pubescent : stipules la” 
ceolate, ciliate, acute, 2}—4 lines long: leaves 1}-2 inches long; I 
lets 9-12 pairs, petiolulate, oblong, truncate or retuse, 2}—3} lines 1008 
glabrous above, appressed-pubescent below especially upon the midrib 
and near the margin: peduncles not exceeding the leaves: racemes 
dense, 1-2 or more inches in length: bracts oblanceolate to obovate 
acute, pubescent, 2-3 lines long, persistent : pedicels a line in length: 
calyx light colored but covered with short black hairs; the teeth 9% 
rowly lanceolate, attenuate, 13 lines long, equalling the tube, den ef 
black hairy : standard obovate, retuse, 5-6 lines long, it and ale bt 
_(in a dried state) and conspicuously striate with white: keel esse” 
