56 DIALYPETALOUS EXOGENS 



ing, climbing by tendrils. Leaflets 1 to 2 or 3 inches long ; common petioles 2 to 4 

 or 5 inches long; stipules rather larger than the leaflets. Flowers white, on com- 

 mon peduncles 1 or 2 to 6 inches long. 

 Hob. Gardens, &c. Nat. Country unknown. FL June. Fr. July. 



Obs. Long culture in this, as in a number of other plants, has 

 produced some striking varieties. 



TRIBE 2. PHASEO V LEAE. 



Twining or trailing plants ; leaves trifoliolate or odd-pinnate, and therefore not ter- 

 minating in tendrils; leaflets mostly stipellate ; legume continuous, often torulose ; 

 seeds usually reniform, with thick cotyledons which rise above ground (often nearly 

 unchanged) in germination. 



f Keel twisted. * Leaves trifoliolate. 

 91. PHASE X OMJS, L. 



[The ancient name of the Kidney Bean.] 



Calyx sub-bilabiate, upper lip bifid, the lower trifid. Keel (of the 

 corolla], with the included stamens and style, spirally coiled or in- 

 curved. Ovary stipitate, the stipe sheathed. Legume linear or fal- 

 cate, tipt with the base of the style, many-seeded. 



1. P. pereimis, Walt. Stem volubile or trailing ; leaflets round- 

 ish-ovate, acute; peduncles often in pairs; calyx-bracts minute; 

 legumes falcate. 



PERENNIAL PHASEOLUS. Wild Kidney Bean. 



Perennial. Stem 4 to 6 or 8 feet long, branching, mostly trailing. Leaflets 2 to 4 

 inches long, often subcordate, adhesively scabrous beneath ; common petioles 1 to 3 

 or 4 inches long. Flowers purple tinged with violet, in loose slender racemes ; 

 peduncles 2 to 6 or 8 inches long. Seeds reniform, dark purple. 

 Hob. Rocky woodlands; not very common. Fl. July. Fr. Sept. 



2. P. lielvolMS, L. Stem trailing, slender; leaflets deltoid ob- 

 long, or ovate-oblong, rather obtuse; peduncles solitary; calyx- 

 bracts lance-oblong; legumes linear, hairy. 



P. vexillatus. L. $ FL Cestr. ed. 2. p. 430. 

 PALE-RED PHASEOLUS. 



Perennial. Stem 2 to 4 feet long, retrorsely hairy, branching. Leaflets 1 to 2 

 inches long ; common petioles half an inch to an inch and a half long. Flowers 

 pale purple, 3 to 5 or 7 in subcapitate racemes at the summit of axillary pedancUs 

 which are 3 to 6 or 8 inches long. Seeds pubescent. 

 Hob. Hills, near Schuylkill; W. Nottingham: rare. Fl. Aug. FT. Octo. 



3. P. VULGARIS, Savi. Stem volubile, or bushy ; leaflets ovate, acu- 

 minate ; bracts as long as the calyx ; legumes nearly linear and 

 straight; seeds reniform. 



COMMON PHASEOLUS. String Bean. Pole Bean. Bunch Bean. 



Annual. Stem 4 to 6 or 8 feet long, volubile and climbing (always twining 

 against the Sun or West-South-East), or short, erect and bushy, in the " Bunch " 

 Variety. Leaflets 2 to 4 or 5 inches long; common petioles 1 to 5 or 6 inches in 

 length. Flowers mostly white, in solitary racemes, on stout peduncles 1 to 3 or 4 

 inches long. Seeds smooth, white, or of various colors. 

 Hob. Gardens, fields, &c. Nat. of India. Fl. July. Fr. Sept. 



4. P. LUNk-rus, L. Stem volubile; leaflets deltoid-ovate, acute; 

 peduncles short; legumes scymitar-form ; seeds compressed, broad. 



