89 
flowered: calyx silky-villous: many racemes becoming subterranean and bearing 
globular membranaceous pods filled by asingle large seed; pods above ground linear- 
oblong, canescent, 4 or 5-seeded.—Sandy ground, between the Guadalupe and the 
lower Rio Grande. 
3. G, Texana Gray. Procumbent, somewhat twining, cinereous-tomentose: leaf- 
lctsoval, retuse, setaceous-mucronate, cinereous-puberulent above, sericeous-canescent 
beneath (less whitened than in the former species), 2.5 to 3.5 em. long: racemes few- 
flowered, shorter than the leaves and rarely exceeding the petioles: pod linear, 
strongly falcate, densely silky, 6 em. long, 9 or 10-seeded.—From the Guadalupe, 
near New Braunfels, to the Leona and Rio Grande, 
4. G. Wrightii Gray. Stems branched from the base, slender, suberect with 
branches somewhat twining, cinereous with fine appressed pubescence: leaflets ob- 
long, obtuse at both ends, mucronulate, green above, beneath veiny and silvery with 
a very fine and close whitish pubescence, 3.5 em. long, 16 to 18 mm. wide: racemes 
strict, not interrupted, many-tlowered, exceeding the leaves: calyx and bracts canes- 
cent, the calyx-teeth nearly twice the length of the tube.—Hills near the Limpia, in 
extreme western Texas, , 
5. G. tephrodes Gray. Stems numerous from a lignescent root, whitened or cine- 
reous (as are also the leaves), with very fine and close pubescence: leaflets oblong- 
linear, very obtuse at both ends, mucronulate, less canescent above than beneath, 20 
to 30 mm. long: peduncles many-flowered, the lower ones longer, the upper ones 
shorter, than the leaves: calyx minutely cinereous-pubescent, its lobes oblong and 
obtuse: pod straight, canescent, 20 to 30 mm. iong, 4 mm. wide, 4 to 7-seeded.—In 
extreme western Texas and adjacent New Mexico and Mexico, 
“* * At least some of the leaves 4 or 5-foliolate. 
6. G. heterophylla Gray. Canescent or sericeons: stems slender and decumbent 
from a woody base: leaflets either 3 (the lateral ones somewhat distant from the 
terminal) or 4 or 5 (the accessory ones inserted with the lateral pair), oblong, sub- 
cuneate, obtuse or retuse, mucronulate, silky-canescent (especially underneath) with 
a closely appressed and silvery pubescence, 12 mm. long: racemes short and few- 
flowered: pod puberulent, straight, narrowed below, 3.5 em, long, 3 to 6-seeded. — 
Known as yet from four stations, viz: Llano River (Lindheimer), San Diego (Miss 
Croft), Pena and Chenate Mountains ( Nealley). 
35. PHASEOLUS L. (KiIpNrEy BEAN.) 
Twining or prostrate herbs, with pinnately 3-foliolate stipellate 
leaves, flowers racemose or clustered on mostl y long peduncles, 5- 
toothed or cleft calyx, recurved spreading standard, strongly incurved 
or coiled keel, style bearded lengthwise, and a linear or oblong straight 
or falcate several to many-seeded pod ti pped with the hardened base of 
the style. 
* Pods more or less falcate. 
1. P. acutifolius Gray. Twining, with very slender puberulent branches: leaflets 
ovate-lanceolate to lanceolate, tapering from base to apex, acute, very entire, rough- 
puberulent, 2.5 to 5em. long: peduncles 2 or 3-flowered, shorter than the leaves: 
flowers purple or purplish: pod flat, broadly linear, pubescent, 8 or 9-seeded, 5 cm. 
long, 6 mm. wide, not much curved.—Mountain valleys west of the Pecos, and in 
adjacent New Mexico and Mexico. 
2.-P. angustissimus Gray. Smooth, with very slender diffuse or twining stems: 
leaflets very narrowly linear, obtusish, thickish, smooth, 3.5 to 5 em. long, 2 to 3 mm. 
wide, longer than the petiole and shorter than the filiform loosely 2 to 5-flowered 
peduncle, which is 5 to 12.5 em. long: flowers with purple standard and wings and 
