DICOTYLEDONSo 129 



leaflets ovate, acute at tlie apex, rounded at the base, the terminal 

 one long-stalked; stipules lanceolate, deciduous; racemes axillary, 

 often branched, much longer than the leaves; flowers purple, scat- 

 tered, pedicellate ; legume stipitate, compressed, falcate, 2-^] in. long, 

 4-G-seeded. June-July. Low woods and thickets. 



XXVII. STROPHOSTYLES. 



Annual or perennial; stems twining or trailing; leaves 3- 

 foliate, stipellate ; flowers (dustered at the summit of the 

 axillary j^eduncles ; calyx 5-toothed, the two upper teeth 

 more or less united; standard orbicular, keel twisted; sta- 

 mens diadelphous ; pod linear, several-seeded, seeds scurfy 

 or pubescent. 



S. HELVOLA (L.) Rritt. Trailing Beax. Annual or sometimes 

 perennial; stem slender, trailing or twining, pubescent, 2-4 ft. long; 

 leaflets (extremely variable, from prominently :5-lobed to ovate or 

 oblong-linear; peduncles 2-4 times as long as the leaves; flowers 

 4-S, sessile, greenish-purple; legume slender, terete, 4-8-seeded. 

 June-8eptend»er. Common in dry soil. 



XXVIII. ERYTHRINA. 



Shrubby or herbaceous; stems armed with ]n*ickles ; leaves 

 trifoliate; leaflets o-lobed ; flowers in long terminal racemes; 

 calyx tul)ular, truncate and oblique at the throat ; standard 

 narrowly oblong, erect, wings and keel small ; stamens and 

 style exserted ; legume stipitate, 2-valved, several-seeded. 



E. iiEuiiACEA L. Coral Plant. Perennial, from a very large 

 woody root; stems erect, smooth, purple, '2--\ ft. iiigh ; flowering 

 stems leafless except near the ground; leaves long-]»etioled ; leaflets 

 prouiinenlly ^{-lobed or sometimes hastate, smooth, dark green, tiie 

 lei-minal one long-stalked; racemes erect, 1-2 ft. l(»iig. many-flowered; 

 flowers deep scarlet, 2 in. long; leguiue nodulose, ojKMiiug by one 

 suture, seeds briglil scai-Ict. April-May. Light, saudy soil. 



02. GERANIACE;E. CKKAXITM fW.MILY. 



Annual, biennial or pei-ennial licrbs with tumid joints; 

 leaves alternate or ojjposite, simple, more or less htbed or 



