104 LEGDMINOS-iE. (pULSE FAMILY.^ 



oblong, mucronatc-pointed ; stipules small, lanceolate, half an-ow-shaped, sharp- 

 pointed at both ends; peduncles 3 - S-fl'owered ; corolla blite-purple. — Moist 

 places, W. England to Penn., Wisconsin, and northward. July. (Eu.) 



Var myrtifolius. Taller, climbing 2° -4° high; leaves oblong or 

 ovate-elliptical ; upper stipules larger : corolla pale purple. (L. myrtifolius, 

 Muhl.) — W. New England to Penn., and northward. 



L. latifOlius (Eveelasung Pea) and L. odokAtus (Sweet Pea) 

 are commonly cultivated species. 



PisuM SATIVUM, the Pea ; FAba vulgXris, the Ho3rse-Bean ; and Cicek 

 AKiETiNDM, the Chick-Pea, are other cultivated representatives of the same 

 tribe. 



22. PHASEOliUS, L. Kidney Bean. 



Calyx 5-toothed or 5-cleft, the 2 upper teeth often higher united. Keel of the 

 corolla, with the included stamens and style, spirally coiled or twisted, or curved 

 into a ring. Stamens diadelphons. Pod linear or scythe-shaped, several - 

 many-seeded, tipped with the hardened base of the stylo. Cotyledons thick 

 and fleshy, rising out of the ground nearly unchanged in germination. — Twin.- 

 ing or prostrate herbs, with pinnately 3-foliolate stipellate leaves. Flowers 

 often clustered on the knotty joints of the raceme. (The ancient name of the 

 Kidney Bean.) 



* Pods scymeiar-shaped : racemes long and loose, panicled. 



1. P. perenilis, Walt. (Wild Bean.) Stem climbing high; leaflets 

 roundish-ovate, short-pointed ; pods drooping, strongly curved, 4 - 5-seeded. 1^ 



— Copses, Connecticut to Kentucky, and southward. Aug. — Flowers purple, 

 handsome, but small. 



* * Pods long and straight, linear, rather terete: flowei-sfew in a short clustered ra- 



ceme like a head. ( Strophostyles, EU.) 



2. P. divcrsifolins, Pers. Anntial ; stem prostrate, spreading, rough- 

 hairy ; leaflets ovate-3-lobed, or angled towards the base, or some of them oblong- 

 ovate and entire ; peduncles at length twice the length of the leaves. — Sandy 

 fields and banks, Massachusetts to Illinois and southward. July, Aug. — Corol- 

 la greenish-white tinged with red or purple. Pod tliickish. 



3. P. helvolns, L. Perennial, hairy ; stems diffuse, slender ; leaflets 

 ovate or oblong, entire or obscureli/ angled; peduncles 3-6 times the length of the haves. 



— Sandy fields, S. New York to Illinois and southward. Aug. — More slender 

 than the last : pods nan-ower ; flowers as large and similar. 



* * Pods straight and linear, flat : peduncles 1 -fewflowered at tlie summit ; flowers 



small : keel slightly twisted. 



4. P. panciflorilS, Benth. Annual ; stems diffuse, but twining, slen- 

 der, pubescent ; leaflets varying from oblong-lanceolate or ovate-oblong to linear. 

 i(P. leiospermus, Torr. ^ Gr.) — River-banks, Illinois (Mead) and southwest- 

 ward. July - Sept. — Flowers 3" long, pni-ple. Pod 1' long, pubescent. 



P. VULGARIS is the common Kidney Bean or Haricot. 

 P. lunAtus is the Lima Bean of our gardens. 



