LOTUS. LEGUMINOS 4. 139 
rachis: peduncles usually exceeding the leaves, with a single unifotiolate 
bract at the summit; flowers solitary, 2-3 lines long; teeth of the calyx 
linear, much longer than the tube, almost equalling the corolla; petals 
salmon-color, the upper oné orbicular: pods narrow, somewhat compressed, 
about an inch long, 5-7-seeded, with very spongy partitions between the 
oblong black or mottled seeds. Common on bars and gravelly banks of 
streams. Brit. Columbia to California, Missouri and Arkansuas. 
- § 2. Antsonorus Bernh. ‘as genus. Leaves pinnately 
2-10-foliolate, the leaflets scattered on a more or less dilated 
rachis, with gland-like stipules and small flowers on axillary 
peduneles. Pods promptly deciduous. 
* Annuals: flowers solitary, on very short pedicels, not bracted: 
claws of the petals equally approximate to each other; the keel nar- 
rowed above into a somewhat incurved beak: pods short, not attenu- 
ate at base, few-seeded, promptly deciduous. 
L. Wrangelianus F. & M. Ind. Sem. Hort. Petrop. 16. Hosackia sub- 
pinnata T.& G. Pilose or subglabrous: stems diffusely branched from the 
base, +-6 inches high: leaflets 2-4, all but one on the outside of the rachis, 
oblong, subglabrous, 4-6 lines long,-more or less pilose: flowers sessile or 
nearly so, about 2 lines long; teeth of the calyx subulate, several times 
longer than the tube, ciliate with long spreading hairs, not as long as the 
yellow corolla: pods pubescent, 6 lines long, nearly obtuse, 5-7-seeded. 
Southern Oregon to California. 
L. humistratus Greene Pitt. ii, 189. Hosackia brachycarpa Benth. 
Softly villous: stems 4-6 inches high, diffusely branched from the base: 
leaflets usually 4, all but one on the outside of the rachis 5-6_lines long, 
obovate to oblong, acute, flowers sessile, 3-4 lines long, bright yellow; 
calyx-tube very short, its subulate teeth much longer, nearly equalling the 
corolla: pods 3-4 lines long, oblong, obtusish, very pubescent, nearly 
terete, 2-4-seeded. On grayelly bars and banks along streams, Southern 
Oregon to California. 
L. denticulatus Greene l.c. Hosackia denticulata Drew. Pale green 
and glaucous, glabrous or the inflorescence villous: stems erect, sparingly 
branched, 1-2 feet high: leaflets 2-6, all but one on the outside of the 
rachis, obovate to oblanceolate, 4-8 lines long, sparingly hairy beneath : 
flowers 2-3 lines long, solitary, on short axillary pedicels or nearly sessile : 
calyx deeply 5-cleft, its subulate teeth longer than the tube, denticulate, 
about equalling the corolla; petals about 2 lines long, pale yellow or sal- 
mon-color, changing. to rich dark red: pods pubescent, very short, 3- 
seeded. In wet places, Vaneouver Island to California. 
* * Peduncles elongated, one to several-flowered, mostly bracted : 
claw of the upper petal commonly remote from the others: keel mostly 
obtuse. 
L. micranthus Benth. Trans. Linn. Soc. xvii, 367. Mosackia parvi- 
flora Benth. Annual: glabrous or nearly so: stems slender, ascending, 
4-12 inches long, usually branching frum the base: leaflets 3-5, obovate to 
narrowly oblong, 2-8 lines long: peduncles longer than the leaves, 1-2- 
flowered, with a 1-3-foliolate bract at the summit: petals yellow, about 2 
lines long, keel with a short incurved apex, nearly equalling the wings; 
banner obcordate: pods 6-12 lines long, 5-7-seeded, often contracted be- 
tween the seeds. Common on dry or gravelly plains and _ hillsides, Van- 
couyer Island to California. Ae. 
§ 3 Syrmatium Vogel as Genus. « Mostly perennials with 
pinnately 3-7-foliolate leaves, and gland-like stipules. Pedun- 
cles umbellately one to several-flowered ; claw of the upper petal 
