DIADELPH1A DECANDRIA 427 



(ixWicc—Pois Cultivie. Germ.— Die Erbse. llisp.— Guistinte. 



Plant smooth and -lancous. Root awiual. Stem 18 hiches to 4 feet long, some- 

 vhot brandling, climbing by tendrils. leaflets usually 4, 1 to 2 or 3 inches long, 

 and 3 fourths of an inch to near 2 inches wide, more or less ovate, often rhomboid, 

 rather obtuse, mucronate; common petioles 2 to 4 or 5 inches long, stout, terete, 

 naked below, terminating in long branchtrig tendrils ; stipules rather hu ger than 

 the leajtets, produced at base on one side, and dentate or crcnate on that side. Pe- 

 duticles axillary, I or 2 to 6 inches long, with 2 or more Jlowers at summit. 

 C ilyx nerved and veined ; segments lance-oblong, acuminate. Corolla tchite, 

 sometimes tinged with purple. Style reflexed. Legume about 2 inches long, sub. 

 terete. 

 Hab. Gardens, and Lots : common. Fl. June— July. Ft. July— August. 



Obfl. Several varieties of this are cultivated,— chiefly for the young seeds, which 

 afford a favorite dish, at table. There is one species given as a native of the U. 

 Mutes,— though its generic character has been doubted. t 



5. Phasbolus Tribb. Legume many-seeded, dehiscent. Leaves not cirrhosc ; 

 the primordial ones opposite. Fhaseolbjb. DC. 



349. AMPHICARPjEA. DC. Prodr. 2. p. 383. 



[Gr. Amphi, double, & Kaipos, fruit; producing fruit both above & underground.] 



Calyx tubular-eampanulatc, 4-toothed, naked and slightly gibbous at 

 base. Petals oblong ; vex ilium broader, incumbent, subsessile. Ovary 

 stipitatc, the stipe invested at base with a small tubular sheath ; style 

 filiform, smooth; stigma capitate. Legume compressed, stipitatc, 1 to 

 4-seeded . 



1. A, MOKOICA, DC* Stem volubile, pilose ; leaves trifoliate ; leaflets 



ovate, smoothish ; cauline racemes pendulous, with the flowers clustered, 



petaliferous and mostly abortive ; radical peduncles bearing sub-solitary 



apctalous fertile flowers. 1) C. I. c. 



Amphicarpa. Ell. Ntttt. Torr< Beck, &c. 



Glycine monoica. Ill lid. Sp. 3. />. 1025. Mr. Am. 2, p. 64. Pers. 



Syn. 2. p. 299. Ait. Kew. 4. p. 296. Muhl. Caial. p. 64. Pursh, 



Am. 2. p. 485. Bart. Phil. 2. p. 83. Bigel. Bost. p. 276. LindL 



Envy. p. 618. 



Also? G. comosa. IVilld. Sp. 3. />. 1058. Pers. 9yn. 2. p. 300. 



Jfuhl. I. c. Pursh, Am. 2. p % 486. Lindl. I. c. 



Phaseolus, Sub-genus Amphicarpa. Eat. Man. p. 259. 



MoXOICOUS AMPHICAltPiCA. 



Root perennial, Ell. Torr. Beck, &c. (annual. Willd. Muhl. Bigel. DC. <fcc). 

 Stem 3 to 6 or 8 feet long, slender, angular, sparingly branched, volubile and 

 climbing over shrubs, &c. rctrorsely pilose, (sometimes densely clothed with 

 spreading hairs). Leaflets 1 to 2 or 3 inches long, and 3 fourths of an inch to 2 

 inches wide, more or less sprinkled with hairs (sometimes quite hairy when young), 

 ovate, acute, the terminal ones often somewhat rhomboid, and the lateral ones 

 mostly obliquely ovate ; common petioles 1 to 3 or 4 inches long ; stipules oblong- 

 ovate, striate-nerved, smoothish, or sometimes pilose. Racemes axillary,-— the 

 upper cauline ones mostly pendulous, often branched, on peduncles half an inch 

 to near 3 inches long, with the flowers clustered, pedicel ate, in pairs from th« 

 a^ils of broad rhomboid-ovate obtuse bracts,— the peduncles from near the base of 



