19] NORTH AMERICAN SPECIES OF TEPHROSIA 201 
very long: flowers rather numerous in erect pedunculate racemes, 
purple: pods velvety-tomentose.— PI. Lindh. 2: 172; Torr. 
Bot. Mex. Bound. 51. Cracca Lindheimeri Kuntze, l.c.; Vail, 
Le, 28. Sandy prairies, southwestern Texas, Lindheimer, Wright, 
Palmer, Havard, Fuchs. (Adj. Mex. where first collected by 
++ ++ Pods about 4™™ broad. 
T. AMBIGUA Chapm. Stems prostrate or ascending, from a 
: éeep woody root, copiously pubescent to nearly glabrous: leaves 
“et $-I3-foliolate, petioles 3.8 to 6.3°™ long; leaflets obovate 
to oblong, obtuse or obtusish, 2.5 to 3.8°™ long, 6 to 17™™ broad, 
sparingly appressed-pubescent or glabrate above, veins red and 
sme paler, appressed-pubescent beneath; stipules 4 to 8.5™™ 
length: peduncles long, ancipital, remotely 3—6-flowered : calyx 
,) Small: petals purple : pods narrow, appressed-pubescent, 
4 *any-seeded— F l. 96; Wood, Bot. & Flor. g5. TI. hispidula 
ae & Gray, Fl. 1: 296. Galega ambigua M. A. Cuttis, 
: i Nat. Hist. Soc. 1: 121. Cracca ambigua Kuntze, |. c. 
My ail, 1. c. 32, N, Carolina, Curtis, to Florida and Missis- 
“PPh Pollard , common, 
oe . Very slender: leaflets lance-linear, acute or 
ae os a ibd Jae in breadth.— Cracca angustissima Vail, 
Clie mA  angustissima Rugel.— Dry pine barrens near Eau 
{ huly. EP yet, Florida, 4. A. Curtiss, nos. 584, 5708; fl. 
‘ : * * Flowers smaller; petals 6 to 8.5™™ long. 
— Pers. Slender, flexuous, branching from near 
’ OF ascen Neg at first filiform at length lignescent: stem 
“$-foliolate .. finely appressed-pubescent: earliest leaves 
, & oblong, rety ater Ones 7—19-foliolate: leaflets very varia 
€W.) linea “S, or in var. angustissima (7. angustissima 
“A cae acute; stipules filiform; flowers small, 
st pair usually axillary, the others forming a 
pods spreading or nodding, 4™" 
pubescent under a lens, 3-5-seeded.— Syn. 2: 
