134 PULSE FAMILY. 



34. JESCHYNOMENE, SENSITIVE JOINT VETCH. (Greek: 



ashamed, referring to the sensitive leaflets of some species.) Flowers 

 summer. 



JE. hlspida, Willd. Stem rough-bristly, 2-4 high ; leaflets 37-51, 

 linear ; flowers yellow ; pod bristly, stalked ; joints 6-10. Low grounds, 

 Penn. S. () 



35. CORONILLA. (Latin : a little crown.) Cult, from Eu. for orna- 

 ment, n 



0. varia, Linn. PURPLE CORONILLA. Hardy herb, spreading from 

 underground shoots, smooth, 2 high ; leaves sessile ; leaflets 15-21, obo- 

 vate-oval or oblong, small ; flowers pink-purple and white, all summer. 



C. glauca, Linn. YELLOW SWEET-SCENTED C. Greenhouse shrub ; 

 leaflets 5-9, glaucous, obovate, or obcordate, the terminal largest ; flowers 

 sweet-scented, yellow, the claws of the petals not lengthened. 



36. RHYNCHOSIA. (Greek: beaked; of no obvious application.) 

 Chiefly southern ; flowers summer. Jl 



* Flowers in axillary racemes. 

 *- Calyx shorter than corolla, somewhat Z-lipped. 



R. minima, DC. Along the coast from S. C., S. ; tomentose ; leaflets 

 small and broad ; racemes very slender, with 6-12 minute flowers. 



n- -H- Calyx nearly or quite as long as corolla, not lipped. 



R. toment6sa, Hook & Am. Trailing and twining, pubescent ; leaflets 

 3, round or round-rhombic ; racemes axillary, few flowered, almost sessile. 

 Dry sandy soil, from Va. S. 



R. ere'cta, DC. Erect, more or less tomentose ; leaflets 3, oval to 

 oblong ; racemes short, on short peduncles. Del. S. 



R. renifdrmis, DC. Dwarf, erect, pubescent ; leaflets solitary (rarely 

 3) round-reniform ; racemes sessile. Va. S. 



* * Flowers axillary, solitary or in pairs; calyx shorter than corolla. 



R. galactoldes, Endl. Bushy-branched, 2-4 high, not twining, 

 minutely pubescent ; leaflets 3, small and rigid, oval, hardly any common 

 petiole ; standard reddish outside. Dry sand ridges, from Ala. S. 



37. PHASEOLUS, BEAN, KIDNEY BEAN. (The ancient name 

 of the Kidney Bean.) Flowers summer and autumn. (Lessons, Figs. 



* Native species, small-flowered. 



P. per^nnis, Walt. Stems slender, climbing high ; leaflets roundish- 

 ovate, short-pointed ; racemes long end loose, often panicled ; flowers 

 small, purple ; pods drooping, scimitar-shaped, few-seeded. % New 

 Eng. W. and S. 



* * Exotic species, cultivated mainly for food, all with ovate, pointed 



leaflets. 



P. vulgaris, Linn. KIDNEY BEAN, STRING BEAN, POLE BEAN. Twin- 

 Ing ; racemes of white or sometimes dull purplish or variegated flowers 

 shorter than the leaf ; pods linear, straight ; seeds tumid. Many varie- 

 ties, ranging from BUSH BEANS to climbers, and presenting many forms 

 and colors of seeds. Probably from tropical America. 



P. lunatus, Linn. LIMA BEAN, SIEVA or CAROLINA B., etc. Twining; 

 racemes of small, greenish-white flowers shorter than the leaf ; pods broad 



