FABACEAE 645 
narrowly elliptic, acuminate, veined, pubescent and ciliate, reflexed in fruit: corolla yel- 
low; standard minutely pubescent on the outer surface, with a suborbicular blade 6-8 
mm. in diameter: pods 1-1.5 cm. long, 6-7 em. wide, sessile, obliquely oblong, acute, 
pubescent: seeds 2, oblong, truncate at the base, black. 
In dry soil, Texas and Mexico. May to June. 
6. Dolicholus Michaüxii Vail. Stems prostrate, 6-9 dm. long, or more, twining 
above, clothed, especially on the angles, with a short matted grayish pubescence: stipules 
2-5 mm. long, ovate-lanceolate, spreading, persistent: leaflets 2.5-5 cm. long, the blades 
much dilated, broader than long, obtuse, sometimes obscurely mucronulate, rugose and 
minutely hirsute above, sparingly resinous-dotted, reticulated and softly hirsute beneath ; 
upper leayes rarely 3-foliolate with obtuse obliquely suborbicular lateral leaflets: racemes 
l-several-flowered, peduncled : calyx 1-1.5 cm. long, pubescent, resinous-dotted ; lobes ob- 
long-lanceolate or elliptic, acuminate, conspicuously foliaceous: corolla pale yellow ; stand- 
ard minutely pubescent: pods about 1.4 cm. long, 6 mm. wide, obliquely acute: seed 2-5 
mm. in diameter, red-brown. 
In dry pine lands, Florida. March to September. 
7. Dolicholus cinéreus (Nash) Vail. Stems numerous, prostrate and trailing, 
branched, 6-10 dm. long, appressed cinereous-pubescent : stipules turning brown, ovate, 
acuminate, ciliate, 3-4 mm. long: leaves 3-6 cm. long: leaflets 3, the blades appressed- 
pubescent above and somewhat rugose on the veins and sparingly resinous-dotted beneath, 
the lateral leaflets obliquely ovate or orbicular-ovate, 1-2.3 em. long, 9-18 mm. wide; 
terminal leaflet larger, orbicular-ovate to depressed-orbicular, 1.5-2.6 cm. long, 1.3-3 cm. 
wide : flowers 2-several together in short axillary clusters not exceeding the petioles: ped- 
icels slender, 1-3 mm. long: calyx-lobes lanceolate, acuminate, 3-nerved, usually reflexed 
in fruit, the middle lobe 1-1.3 em. long, somewhat exceeding the lateral ones: corolla yel- 
low; standard minutely pubescent along the summit: pods oblong, obliquely acute at the 
apex, 1.6 cm. long, 8 mm. wide, appressed-pubescent: seeds lenticular, 5 mm. in diam- 
eter, mottled, brown. 
In-high pine lands, peninsular Florida and Pelican Key. June to July. 
,8. Dolicholus tomentósus (L.) Vail. Stems rather stout, softly retrorse-hirsute, es- 
pecially on the prominent angles, twining above, 3-6 dm. long or more: stipules ovate or 
ovate-lanceolate, reddish brown, 5-7 mm. long: leaves rather distant, 4-12 cm. long, 
(basal ones often 1-foliolate): leaflets mainly 3, the blades ovate or ovate-rhombic, (basal 
ones often dilated and depressed-orbicular), 3-6 cm. long, obtuse, clothed with soft pubes- 
cence ; terminal leaflet the largest, the others obliquely ovate : racemes few-flowered, short- 
peduncled, much shorter than the petioles: flowers 9-14 mm. long: calyx-lobes acuminate, 
3-nerved, the 3 lower approximately equal: corolla yellow; standard retuse, obscurely 
hirsute near the apex: pods 1.5 cm. long, 8 mm. wide, obliquely oblong, each with a very 
short, acute or slightly oblique apex : seeds lenticular, 2.5-3 mm. in diameter, dark brown. 
.., In dry soil, Virginia to Florida, Mississippi and probably Texas.—A less densely pubescent form, 
with relatively narrow and thinner, undulate leaflets, is D. tomentosus undulatus Vail. 
9. Dolicholus Torreyi Vail. Stems slender, branched, prostrate, spreading, or 
probably twining above, minutely pubescent : stipules 4-6 mm. long, lanceolate, slender, 
caducous: leaves 3-foliolate: leaflets 2.5-3.5 cm. long, the blades orbicular-ovate or 
oblong-ovate, obtuse or with a short abrupt acumination, narrowed at the base, minutely 
and sparingly pubescent on both surfaces or nearly glabrous, beset with scattered resinous 
dots neath; terminal leaflet largest: racemes 5-8 cm. long, the scattered flowers 
about 1 em. long: calyx 8 mm. long, pubescent, resinous-dotted ; lobes linear or linear- 
lanceolate : corolla yellow ; standard nearly orbicular, 8 mm. long, pubescent on the outer 
Surface, with a small internal crescent-shaped callosity above the claw : pods not seen. 
On sand hills, Texas. Spring to fall. 
10. Dolicholus Lewtdnii Vail. Soft-pubescent and minutely resinous-dotted through- 
out. Stems prostrate, 3-5 dm. long or longer, obscurely retrorsely hirsute-pubescent, appar- 
Ser d not twining at the summit : stipules obliquely lanceolate, 6-8 mm. long: terminal 
eaflet 4-6 cm. long, 4-8 cm. wide, the blade dilated or obovate-orbicular, commonly 
broadest above the middle, broadly rounded and sometimes slightly retuse at the apex, nar- 
rowly subcordate at the base; lateral leaflets with obliquely obovate-oblong reticulated 
te es : upper racemes sessile, 2-4 cm. long, the others on peduncles 2-4 em. long calyx 9- 
mm. long; lobes foliaceous, exceeding the glabrous yellow corolla: pods not seen. 
In dry sandy soil, Orange County, Florida. March to October. 
ll. Dolicholus latifdlius (Nutt.) Vail. Stems stout, 6 dm. long, clothed with a close 
- pubescence, twining above : stipules lanceolate, 3-5 mm. long, soon deciduous : leaves 
15 em. long: leaflets 3-8 cm. long, the blades ovate or ovate-rhombic, often somewhat 
