224 FLORA OF TEXAS. 



cemes 3-5' long; calyx spotted. — A treC) 30°-60° high; 

 Jerjume smooth ; flowers fragrant. 



WISTARIA, Nutt 



Calyx campannlate, somewhat 2-lipped, the upper lip 

 broad 2-cleft, the lower 3-cleft ; vexillum large, with two 

 parallel ridges at the base ; stamens diadelphoiis (9 and 1) ; 

 legiune coriaceous, nearly terete, contracted between the 

 seeds, at length 2-valYed. — Twining shruhs,^\\i\\ unequally 

 pinnate leaves, and showy purple floiccrs, in a crowded 

 racewe. 



W. FRUTESCEXS, DC. Young leaves and branches silky 

 pubescent; leaflets 9-13, ovate-lanceolate or oblong; sti- 

 pels none; racemes on short branches, dense-flowered, 4-6' 

 long; leaflets V long; legume 1-several-seeded ; Jrac^s large, 

 caducous. 



TEPHROSIA, Pers. 



Calyx nearly equally 5-toothed or 5-cleft ; vexillum 

 large, roundish, spreading or reflexed, usually white within 

 and reddish or purple and silky without ; heel obtuse, co- 

 hering with the wings ; stamens monadelphous or dia- 

 delphous ; style smooth or laterally bearded ; legume com- 

 pressed, linear, many-seeded. — Perennial herbs, with 

 unequally pinnate leaves, with the leaflets opposite, mu- 

 cronate, and straight-veined, and white or purplish 

 flowers. 



* Flowers single or by pairs in the qjcUs of the leaves ; the vpperniost often crowded 

 in a dense raceme. 



T. ViRGixiAXA, Pers. {Goafs Rue.) Soft hairy and 

 somewhat hoary ; stems very leafy, clustered, erect, simple ; 

 leaflets 11-25, oblong or linear-oblong, acute or obtuse, 

 smoothish above ; flowers yellowish- white tinged with 



