644 FABACEAE 
Racemes terminal and axillary, never long-peduncled and elongated. 
Stems simple, 1-2 dm. high. 13. D. intermedius, 
Stems simple or branched. 
Racemes numerous, short, axillary: leaflets with thick, velvety 
pubescent blades, acutish or obtuse. 14. D. erectus. 
Racemes numerous, short, axillary : leaflets with densely velutinous, 
acute blades 15. D. Drummondii. 
Racemes terminal] or a few of them axillary, commonly much elongated. 16. D. mollissimus. 
1. Dolicholus minimus (L.) Medic. Stems numerous, slender, prostrate or climb- 
ing over bushes, pubescent, especially on the angles, resinous-dotted : stipules subulate, 2 
mm. long, soon caducous : leaflets 8-40 mm. long, minutely cinereous-pubescent, at least 
when young, coriaceous, the terminal one with a broad rhombic-orbicular, acutish or ob- 
tuse, mucronulate blade, the others smaller and obliquely semi-rhombic: racemes axillary, 
4-10 cm. long, loosely and somewhat distantly flowered, much surpassing the leaves: 
peduncles 2-4 cm. long: calyx-lobes subulate-setaceous : corolla pale yellow, 6-7 mm. long, 
much exceeding the calyx ; standard obovate-orbicular, retuse, commonly purple-veined, 
with a very short claw, resinous-dotted and minutely pubescent on the outer surface: keel- 
petals bright yellow: pods 1-1.7 cm. long, 4 mm. wide, scythe-shaped, minutely pubes- 
cent, reflexed : seeds oblong-ovoid, pale brown or grayish, mottled, smooth and shining. 
In pine woods, South Carolina to Florida, Texas and south ward to Brazil. May to October. 
2. Dolicholus parvifdlius (DC.) Vail. Stems somewhat woody at the base, slender, 
climbing on grasses and low bushes, or barely climbing above, pubescent with close grayish 
down or tomentum : stipules subulate-setaceous, about 1 mm. long: leaflets 3, the blades 
elliptic or elliptic-lanceolate, those of the basal ones ovate-elliptical or rarely ovate, acutish 
or obtuse, emarginate, velvety-pubescent or tomentose on both surfaces, strongly reticulated 
beneath, the terminal one 2-3.5 cm. long, the others inequilateral, 1.5-2.5 em. long: 
racemes 2-4 cm. long, usually exceeding the leaves, several-flowered : peduncles 2-3 cm. 
long, angled: calyx 7 mm. long, pubescent and resinuous-dotted ; lobes acuminate: 
corolla yellow; standard retuse, resinous-dotted, minutely retrose-pubescent above the 
middle: pods 1.3-1.5 cm. long, 4-5 mm. wide, oblong, clothed with a short close-set 
pubescence and scattered longer rigid yellowish hairs: mature seeds not seen. 
In sandy soil, Florida and the West Indies. September to January. 
3. Dolicholus Texénsis (T. & G.) Vail. Stems somewhat woody at the base, 
slender, erect or at length much elongated, prostrate and twining over bushes, clothed with 
fine retrorse grayish pubescence : stipules subulate-setaceous, 1 mm. long, soon deciduous: 
leaflets 3, the blades 1-2.5 em. long, oval, rounded or rhombic-ovate, or lanceolate-ovate, 
obtuse, minutely apiculate, emarginate, minutely rugose and pubescent above, minutely 
pubescent and often somewhat reticulated beneath, the terminal leaflet largest: flowers 
solitary or often 2-4 together in the axils of the upper leaves: pedicels 2-3 mm. long: 
calyx 3 mm. long ; lobes about equal: corolla yellow ; standard with a suborbicular blade, 
minutely retrorse-pubescent along the apex: pods scythe-shaped, 1-1.5 cm. long, 4 
mm. wide, acutish at the base, with a minute acute termination, pubescent : seeds 
2.5 mm. broad, suborbicular, lenticular, brown. 
In dry soil Texas to Arizona and northern Mexico. Also in Brazil and Argentina. May to 
August.—A Texano-Mexican variety with oblong-lanceolate or linear-lanceolate leaflets often twice as 
long as those of the type, is D. Texensis angustifolius (Engelm.) Vail. 
4. Dolicholus Swártzii Vail. A slender twining perennial or woody vine. Stems 
apparently branching at the base, pubescent, sparingly resinous-dotted : sti ules 4 mm. 
long, linear-lanceolate, ciliate, reflexed, at length deciduous: terminal leaflet 4-6 cm. 
long, the blade ovate, long-acuminate, rather thin, soft-pubescent on both surfaces, resin- 
ous-dotted beneath ; lateral leaflets smaller: racemes 1-2 cm. long or less, 2-3-flowe 3 
the short peduncles very slender: pedicels filiform, 3-4 mm. long, puberulent : calyx 
mm. long, resinous-dotted ; lobes shorter than the tube: corolla yellow, much exceedin 
the calyx ; standard obovate, 8 mm. long, minutely puberulent and dotted with elevate : 
yellow resinous spots or glands on the outside: pods 2.5-3 cm. long, 5-7 mm. wide, ue 
cate, acute at the apex, dark brown and coriaceous, pubescent, resinous-dotted : matu 
seeds 5-6 mm. long, oblong-ovoid, bright red. 
In sandy soil, southern Florida and Cuba. Throughout the year. 
_ 5. Dolicholus Americanus (Mill. Vail. Stems slender, prostrate, trailing or often 
twining, 3-5 dm. long orlonger, minutely retrorse-pubescent, especially on the ri uie 
stipules reddish, oval or ovate, spreading, pubescent without, glabrous within : ve 
distant ; leaflets solitary, the blade grayish green, reniform, 2-4 cm. long, 2-6 cm. béident 
obtuse or rarely acutish at the apex, cordate at the base, thick, appressed velvety-pu y 
on both surfaces, reticulated and conspicuously veined beneath : flowers short-pedicelled, 
solitary, or 2-6 in clusters much shorter than the leaves: calyx 8-10 em. long; © 
