FAM 93. 71 



vate. dentate towards the apex; flowers purple to blue; pods pubescent. Cul- 

 tivated. Spring to Fall. 

 11. Leaves odd-pinnate. -12 



11. Leaves even-pinnate, ---------- 14 



12. Herbs or shrubs. ----------- 13 



12. Shrubs or small trees; — partially villous; leaflets 9-11; flowers large, 

 blue, in terminal panicles; stamens 5. short, inserted on the calyx; 

 style incurved, seed red with a black blotch. Plant tender. 

 Summer. ----- Ormosia dasycarpa, Secklact-tree 



12. Trees; — with glabrous foliage and spiny stipules; leaflets 9-19; droop- 

 ing racemes of white flowers with a yellow spot on the standard; 

 pods flat, glabrous. Cultivated. - - - Robin ia pseudacacia, Locust 



12. Woody vines; — blue, purplish or white flowers in terminal racemes; 



calyx slightly 2-lipped. the upper two lobes partially united; 

 vexillum broad, abruptly contracted into a claw with two ap- 

 pendages at the top. Ornamental vines. Spring, - Bradleia (Wistaria) 



13. Pods 4-angled or very turgid; — flowers in axillary spikes or racemes; 



calyx-lobes nearly equal; stamens monadelphous or one partially 



distinct. ------- Indigofera, Indigo-plant 



I. Caroliniana. Erect, tall; racemes longer than the subtending leaf-like bracts; 



corolla yellowish-brown. Dry pine-land. Spring and Summer. 

 I. leptosepala. Erect, branches decumbent; racemes longer than the leaf -like 



bracts; corolla pale-scarlet. Dry soil. Summer. 

 I. tinctoria. Erect; racemes shorter than the leaf -like bracts; corolla rose or 



purplish; pods torulose. Waste places; formerly cultivated. Summer. 

 13. Pods turgid with prominent upper suture, obcordate in cross-section; 



herbs. In sandy pine-land. Spring, - Tium (Astragalus) 



T. intonsum (A. villosus). Ascending or prostrate, villous; leaflets 9-15. obo- 

 vate or roundish; racemes ovoid, short; calyx pubescent; corolla dull yellow; 

 pods villous. 



T. obcordatum (A. obcordatus). Ascending or prostrate, glabrous; leaflets 

 15-25. obcordate; racemes ovoid to cylindric, short; calyx somewhat pubes- 

 cent; corolla pale-purple or blue, pods crescent-shaped, glabrous. 



13. Pods flattened; — herbs or shrubs with long tough roots; flowers in 



racemes; calyx-lobes nearly equal, or the upper two united and 

 shorter; stamens diadelphous or monadelphous. In sandy soil 

 and pine-land. Summer, - Cracca, (Tephrosia), Cat-gut. Goat's Rue 



C. ambigua. Trailing or assurgent, forked-branching; leaflets 7-11. linear- 

 oblong to obovate, often with reddish veins beneath; petioles longer than 

 the leaflets; corolla white or purple. 



C. spicata. Decumbent or ascending; foliage villous; leaflets 5-15, oval or oblong, 

 mucronate. the terminal ones obovate; calyx villous; corolla white, turning 

 purple in fading. 



C. cbxysophylla. Prostrate, forked-branching; leaves sessile or nearly so; leaflets 

 3-7, the lateral ones obovate. the terminal one longest; calyx-lobes longer 

 than the tube; corolla whitish, turning purple. 



14. Pods wingless, more or less compressed. - - - - - - 1 "» 



11 !'_»:■, 1-sided and 4-winged; — fl in axillary racemes, shorter 



than the leaves; calyx with minute lobes; vexillum broad; wings 



and keel almost a ....... Daubentoma 



