104 BOTANY. 
PHasEoLus ReETUsUS, Benth. (Pl. Hartw. 11).—Stems stout, trailing, 
6 to 8 feet long, from a very large perennial root, pubescent with short 
spreading hairs: leaflets rhomboid-ovate, 2 or 3 inches long, thick, obtuse 
or acutish, occasionally retuse, mucronate, strongly veined : racemes elon- 
gated and long-pedunculate, rather many-flowered: flowers purple, half an 
inch long, on short pedicels: pods broadly oblong, slightly faleate, 2 inches 
long, compressed, 4—6-seeded—From Western Texas to Arizona; at 
Chiricahua Agency, Ariz., Rothrock (522). 
Ruyncnosta Texans, Torr. & Gray (FI. i, 687).—Diffuse, slender, 
somewhat twining, a foot or two high, minutely pubescent throughout: 
leaflets ovate to linear-oblong, an inch long or usually less, obtuse at each 
end, mucronulate, often resinous-dotted beneath: flowers 3 lines long, on 
short pedicels, solitary in he axis, or rarely 2 to 5 together upon a very 
short peduncle: pods oblong, narrowed to the base, about 8 lines long.— 
From Texas to Arizona; at Sulphur Springs, Ariz., Rothrock (545). 
Horrmansecera* James, Torr. & Gray (FI. i, 393).—Finely pubes- 
cent; stems clustered, herbaceous, from a stout woody root, erect or decum- 
bent, often a foot high or more: pinne 1 to 3 pairs; leaflets 4 to 7 pairs, 
oblong, obtuse, 2 or 3 lines long, glandular-dotted beneath: stipules and 
bracts subulate-setaceous : raceme open: sepals oblong, acute, 3 or 4 lines 
long, equalling the-corolla, glandular-dotted, as also the upper petals: claws 
of the petals short and nearly naked: pods an inch long, nearly half as 
broad, falcate, dotted and pubescent, with plumose hairs on the edges, 2—4- 
seeded.—F rom Colorado and Texas to New Mexico; at El Rito and else- 
where in New Mexico, Rothrock (95, 1010). 3 
Horrmanseee1a stricta, Benth. (Gray, Pl. Wright. i, 56).—Finely 
pubescent, somewhat glandular above, not glandular-dotted; the clustered 
stems erect, from a perennial root, a half to a foot high: pinne 4 to 6 pairs; 
leaflets 6 to 8 pairs, oblong, obtuse, a line or two long; stipules and bracts 
* HOFFMANSEGGIA, Cavanilles.—Calyx-tube very short, the 5 oblong or lanceolate, nearly equal 
segments slightly imbricate or valvate. Petals oblong or ovate, slightly unequal, imbricated, the upper 
one included and usually dissimilar. Stamens 10, distinct ; filaments usually glandular at base; anthers 
uniform, versatile, dehiscent longitudinally. Style often incurved-clavate; stigma terminal. Pod flat, 
thin, 2-valved, linear or ovate, several-seeded.—Perennial herbs or low shrubs, mostly glandular, with 
bipinnate leaves and small leaflets, yellow racemose flowers, and deciduous bracts.—BrenTu. & Hook. 
Gen. Pl. i, 567. 
