LEGUMINOSAE 67 



LUNATE PHASEOLUS. Lima Bean. Carolina Bean. 



Annual. Stem 6 to 8 or 10 feet long, twining. Leaflets 2 to 4 inches long; com- 

 mon petioles 2 to 6 inches long. Flowers greenish-white, in loose racemes; pedun- 

 cles about two-thirds of an inch long. Legumes 2 to 3 inches long, and nearly an 

 inch wide, compressed and somewhat curved. Seeds few, large, flattish and mostly 

 white. 

 Hab. Gardens, and lots. Nat. of India. FL July. Fr. Sept. 



* * Leaves odd-pinnate. 



92. AP'IOS, Boerh. 



[Gr. Apian, a Pear; from its pyriform tuhers.] 



Calyx campanulate, with 4 rounded obsolete teeth, and 1 longer, 

 acute. Keel linear, falcate, reflecting the vexillum, finally twisted. 

 Legume thickish, subcoriaceous, many-seeded. 



1. A. tuberOsa, Moench. Stem volubile; leaflets mostly in fives, 

 ovate-lanceolate, not stipellate ; racemes oblong, dense-flowered. 

 TUBEROUS APIOS. Ground-nut. 



Perennial. Boot tuberiferous. Stem 4 to 6 or 8 feet long, slender, sparingly 

 branched. Leaflets 3 to 7, 2 or 3 inches in length; common petioks 1 to 2 inches 

 long. Flowers a dingy brownish-purple, with tinges of green, in dense axillary 

 racemes an inch or two in length ; peduncles half an inch to an inch long. Legumes 

 subfalcate. Seeds reniform. 

 Hab. Moist thickets, fence-rows, &c.: frequent. FL Aug. Fr. Sept. 



Obs. The flowers of this are rather handsome and fragrant ; and 

 the tubers are said to be esculent. According to KALM, the Indians 

 and Swedes called the plant " Hopniss, or Hapniss." 



f f Keel not twisted: leaves trifoliolate. 



93. GAL-AC'TTA, P. Br. 



[Gr. Gala, milk ; some of the species being lactescent.] 



Calyx 4-cleft, the upper segment broadest. Keel scarcely incurved. 

 Style smooth. Legume linear, subterete, 1 -celled, several-seeded. 



1. O. glabella, MX. Stem trailing; leaflets ovate-oblong and 



elliptic, obtuse, often emarginate, upper surface shining; racemes 



few-flowered, 



SMOOTHISH GALACTIA. Milk Pea. 



Perennial. Stems 2 to 3 or 4 feet long, slender, terete, branching. Leaflets about 

 an inch or inch and a half long ; common petioles half an inch to an inch in length. 

 Racemes axillary, about as long as the leaves. Flowers purple and white, tinged 

 with pale green. Seeds a motley brown color. 

 Hab. North Valley hill: rare. FL July. Fr. Sept. 



94. AMPHICARPA N EA. Ell. 



[Gr. Amphi, double, or in two ways, and karpos, fruit: descriptive of the plant.] 

 Flowers of 2 kinds : those of the racemes complete, but mostly abor- 

 tive ; those on long slender branches from near the root solitary 

 and incomplete, yet fertile, loosely buried. Calyx of the complete 

 flowers tubular, 4-toothed, without bracts. Keel and wing-petals 

 similar, nearly straight, the vexillum partly folded round them. 



A. llionoica, Nutt. Stem volubile, slender, hairy; leaflets 



