104 



LK<;UMINOS<. (PULSE FAMILY.) 



oblong, mucronatc-pointed ; stipules small, lanceolate, half arrow-shaped, sViarp 

 pointed at both ends ; peduncles 3 - 5-floweix-d ; corolla I>! n< -purple. Moist 

 places, N. England to Penn., Wisconsin, and northward. July. (En.) 



V:u- isiyrtifolilis. Taller, climbing 2 c -4 high; leaves oblong or 

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

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



L. LATir6nus (EVERLASTING TEA) and L. ODORATUS (SWEET PEA) 

 arc commonly cultivated species. 



Pi SUM SATIVUM, the PEA ; FA.BA VULCARIS, tllC HORSE-BEAN J and ClCER 



ARIETINUM, the CHICK-PEA, arc other cultivated representatives of the same 

 tribe. 



22. PHASEOL.US, 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 diadelphous. Pod linear or scythe-shaped, several 

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

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

 .ng or prostrate herbs, with pinnatcly 3-foliolate stipellate leaves. Flowers 

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

 Kidney Bean.) 



* Pods Kymetar-ehaped : racemes long and loose, panicled. 



1. P. pereilllis, Walt. (WiLi> BEAN.) Stem climbing high; leaflets 

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



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

 handsome, but small. 



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



ceme lilce a head. (Strophostyles, Ell.) 



2. P. diversifolillS, Pers. Annual; stem prostrate, spreading, rough- 

 hairy ; leaflets ovate-3-lobcd, or anyled 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 of purple. Pod thickish. 



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

 ovate or oblong, entire or obscurely angled; peduncles 3-6 times the length of the leaves. 



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

 than the last: pods narrower : flowers as large and similar. 



* * Pods straight and linear, flat: palundi's 1 - ft n>floioered at tlw summit : flowers 



xnintl: keel slightly tiristed. 



4. P. pauciflorilS, Benth. Annual; stems diffuse, but twinirg, slen- 

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

 'P. leiospeniius, '/;,//-. ; \- <ir.) Kivcr-banks, Illinois (Meal) and southwest 

 ward. July -Sept. Flowers 3" long, purple. Pod 1' long, pubescent. 



P. VULG\RIS is the common KIDNEY BEAN or HARICOT. 

 P. LUNATUS is the LIMA BEAN of our gardens. 



