29 
Cracca Lindheimeri Kuntze, Rev. Gen. Pl. 175 (1891). 
Perennial from a tuberous and ligneous root, cinereous-pubes- 
cent or sericeous throughout. Stems prostrate or ascending, rather 
stout, flexuous, branching, spreading, 6-12 dm. long, more or less 
angled ; leaves oblong, linear-oblong or obovate-oblong in outline; 
stipules somewhat persisting; leaflets 9-17, roundish-obovate, 
nearly sub-orbicular, or obovate-cuneate, 23 cm. long, apiculate, 
pubescent above, densely sericeous or velvety-pubescent beneath ; 
racemes loosely many-flowered; peduncle 1-2 dm. long; flowers 
1.5—2 cm. long ; pedicels and bracts 5-8 mm. long; calyx sericeous, 
the acuminate teeth about the length of the tube; corolla red- 
purple, vexillum pubescent; legume 3-4 cm. long, 5-9 mm. broad, 
undulate, densely velvety-pubescent, tawny or yellowish; seeds 
about 4, broad, nearly orbicular, brownish. 
Texas, New Mexico, North Mexico. 
Original locality, Muskit prairies, on the Liano, Lindheimer 
(No. 592). 
Type in Herb. Columbia College. 
5. CRACCA ONOBRYCHOIDES (Nutt.)- Kuntze. 
Tephrosia onobrychoides Nutt. Journ. Acad. Phila. 7: 104 (1834). 
Tephrosia angustifolia and T. multiflora Featherman, Bot. Rep. 
Lousiana Univ. 73 (1871). 
Cracca onobrychoides Kuntze, Rev. Gen. Pl. 175 (1891). 
Perennial from a somewhat woody base, more or less pilose 
with spreading rusty hairs throughout. Stems erect, somewhat 
stout, simple or branching, flexuous, striate and angled above ; 
stipules 8-12 mm. long, often persisting; petioles 1-3 cm. long; 
leaves oblong or linear-oblong in outline, 1-1.6 dm. long; leaflets 
13-25, 2-5 cm. long, cuneate-obovate or oblong, obtuse, 
often retuse, apiculate, pubescent or glabrate above, more or 
less closely silky-pilose beneath; raceme terminal or axillary, 
rusty-villous or rarely glabrate, 3-6 dm. long; bracts 5 mm. 
long, subulate, mostly caducous; pedicels slightly longer than 
the bracts; flowers I-1.§ cm. long, 2-several together on al- 
ternate nodes often the whole length of the peduncle; upper 
calyx-teeth shorter than the tube, the lower one subulate and 
longer: corolla white turning to pale scarlet; vexillum pubescent 
on the outer surface, green toward the middle; legume 3-5 cm. 
long, 5 mm. wide, linear, acute, somewhat falcate, spreading, 
puberulent; seeds 6-10, round-oblong. Mature fruit not seen. 
Arkansas, Indian Terr., Louisiana, Alabama, Texas. 
Original locality: In the plains of Arkansas. 
