FABACEAE 611 
8. Cracca Lindheimeri (A. Gray) Kuntze. Root tuberous and woody. Foliage 
cinereous-pubescent or sericeous : stems prostrate or ascending, 6-12 dm. long, rather stout, 
flexous, branching, spreading, more or less strongly angled: leaves oblong, linear-oblong, 
or obovate-oblong in outline ; stipules somewhat persisting ; leaflets 9-17, the blades of the 
lateral ones obovate or suborbicular, 2-3 cm. long, apiculate, pubescent above, densely 
sericeous or velvety-pubescent beneath: racemes loosely many-flowered: peduncle 1-2 
dm. long: calyx sericeous; lobes acuminate, about the length of the tube: corolla red- 
purple, standard pubescent: pods 3-4 cm. long, undulate, densely velvety-pubescent, 
tawny or yellowish. 
In dry soil, Texas and New Mexico to northern Mexico. 
9. Cracca onobrychoides (Nutt.) Kuntze, Root long. Foliage pilose with spread- 
ing rusty hairs. Stems erect, several dm. long, rather stout, simple or branching, flexuous, 
striate and angled above ; leaves oblong or linear-oblong in outline, 1-1.6 dm. long ; stipules 
8-12 mm. long, often persisting ; petioles 1-3 cm. long; leaflets 13-23, the blades of the 
lateral ones often retuse, apiculate, pubescent or glabrate above, more or less closely silky- 
pilose beneath : peduncles rusty-villous or rarely glabrate: bracts b mm. long, subulate, 
mostly caducous : pedicels slightly longer than the bracts: flowers 2 or several together, 
often the whole length of the peduncles : calyx more or less pubescent ; the upper lobes 
shorter than the tube, the lower one subulate, longer: corolla site turning to pale scarlet ; 
standard pubescent on the outer surface, green toward the middle: pods 3-5 cm. long, 5 
mm. wide, linear, acute, somewhat falcate, spreading, puberulent. 
In dry soil, Arkansas and the Indian Territory to AJabama and Texas. 
. 10. Cracca spicata (Walt.) Kuntze. Root elongated. Foliage villous or villous- 
hirsute: stems decumbent or ascending, 3-15 dm. long, simple or diffusely branched, 
angled, spreading, flexuous, often glabrate in age : leaves oblong or linear-oblong in outline, 
0.5-1.5 dm. long ; stipules more or less persistent, 5-10 mm. long ; leaflets 5-15, the blades 
of the lateral ones oval, oblong or cuneate-oblong, (terminal one mostly obovate), 1-2.5 
cm. long, often reflexed, mucronulate, more or less densely silky above : peduncles 2-edged, 
1-3 dm. long: pedicels remote, few, or clustered near the top of the peduncle: bracts 
subulate, 5-10 mm. long: calyx-lobes subulate, slightly longer than the tube, copiously 
villous : corolla white, fading purple, 1-1.5 cm. long; standard fully 1 em. long: pods 
linear, 3-5 em. long, acute, rather straight. 
In dry soil, Virginia to Tennessee, Florida and Mississippi. 
., 1l. Cracca flexudsa (Chapm.) Heller. Root relatively slender. Foliage pubescent 
with somewhat spreading hairs or partially glabrate: stems slender, 2-6 dm. long, or longer, 
zigzag, sometimes almost glabrous, more or less spreading: leaves few, 4-11 cm. long; 
leaflets 3-17, the blades of the lateral ones linear or nearly so, spreading or deflexed, deli- 
cately veined beneath, acute or short-acuminate, that of the terminal one conspicuously 
longer than those of the lateral: calyx-lobes lanceolate-subulate, longer than the tube, 
sparingly villous : corolla becoming purplish ; standard about 1 cm. long. 
In dry or sandy soil, Florida and Alabama. 
. 12. Cracca hispídula (Michx.) Kuntze. Root more or less fusiform. Foliage 
minutely oo ene dle or glabrate : stems 1-3 dm. long or longer, decumbent or as- 
surgent, dichotomously branching, straggling, angled : leaves 3-6 cm. long, linear-oblong 
in outline, with short petioles 5-10 mm. long or the upper ones often sessile ; leaflets 7-13, 
the blades of the lateral ones elliptic, oval-oblong, or linear-oblong, 0.8-2 cm. long, acutish, 
or sometimes obtuse, apiculate, reflexed, glabrous above, the nerves often turning purplish 
beneath : peduncles ancipital, 5-10 cm. long : bracts 2-5 mm. long, setaceous : calyx-lobes 
acute, as long as the tube: corolla white, turning pink, 10-12 mm. long; standard 
minutely pubescent : pods about 4 cm. long, 4-6 mm. wide, straightish or slightly falcate, 
minutely hispid. 
In sandy soil and low pine lands, Virginia to Florida and Louisiana. 
13. Cracca Floridàna Vail. Root relatively short, stout, woody. Foliage .pubes- 
cent and somewhat viscid : stems spreading, prostrate, 2-6 dm. long or longer, dichoto- 
mously branching, angled above, clothed with a short appressed or spreading often some- 
wat viscid pubescence : leaves 4-10 cm. long, oblong or rarely linear-oblong in outline ; 
CE y 3-5 mm. long, subulate, often persisting ; petioles 1-2.5 cm. long ; leaflets 9-13, 
the blades of the lateral ones oblong or oblong-obovate, obtuse or truncate at the apex, 
apiculate, 1.5-3 em. long, glabrous and yellowish green above, lighter, strigose with 
Whitish hairs and the veins turning reddish beneath : peduncles 7-20 cm. long, appressed- 
pubescent : pedicels 5-8 mm. long, solitary or geminate : corolla becoming purple, 1-1.5 cm. 
ong ; standard finely pubescent : pods 3-4 em. long, 4 mm. wide, erect, straight, strigillose. 
In pine lands, Florida to Louisiana. 
