LEG UMINOSJE-PAPILIONA CE2E. 



241 



standard shorter than wings, plaited, thick and more or less tapering 

 and bearing inflexed auriculate appendages at base ; wings oblong or 

 obovate, curved, usually adhering to keel, broadly 1 -auriculate at base ; 

 keel about equal to or often larger than wings, 2-auriculate at base, 

 curved acute or cartilaginous beaked at apex. Stamens 10, 2-adelphous 

 (9-1) ; 5 alternipetalous anthers longer subbasifixed ; oppositi- 

 petalous shorter, often bearded, versatile. Germen sessile villous ; 

 ovules few descending subanatropous ; raphe short thick; micropyle 

 extrorse superior ; style slender often corrugated in bud, beardless ; 

 apex minutely capitate, stigmatiferous. Legume often large thick 

 ovate, oblong, or linear, usually covered outside with stinging hairs 

 and sometimes variably ribbed or laminated, 1 stuffed or spuriously 

 septate within between seeds, 2-valved, seeds orbicular or transversely 

 oblong, compressed ; hilum sometimes short, sometimes linear and 

 half or more than half surrounding seed, exarillate ; embryo thick. 

 — Herbs or shrubs, climbing or more rarely suberect ; leaves of 

 Phaseolus ; stipules deciduous ; flowers'" racemose ; racemes sometimes 

 short subcymose, oftener elongated and composed of alternate 

 fascicles ; bracts small, often caducous {All hotter region*?). 



24. Apios Boerh." — Receptacle short, lined by a somewhat 

 prominent disk. Calyx gamosepalous ; teeth unequal, lowest tooth 

 larger, 2 superior broad connate. Petals shortly unguiculate ; stan- 

 dard orbicular or ovate, renexed ; wings shorter oblique, adhering 

 to curved or spirally twisted keel. Stamens 10, 2-adelphous (9-1) ; 

 anthers uniform. Germen subsessile cx>-ovulate; style inflexed 

 beardless ; stigma terminal. Legume linear falcate 2-valved. Seeds 

 exarillate. — Twining herbs ; leaves pinnate 3-6-7-foliolate stipellate ; 

 stipules small ; flowers 5 in axillary simple or terminal branched 

 racemes ; bracts and bractlets narrow, very caducous {Temperate Asia 

 and North America 6 ). 



1 From which character the genus is divided 

 into three sections — viz. : 1. CiLLa. Legume 

 laminated, with transverse foliaceous folds. — 2. 

 iSI izulobium. Legume linear, longitudinally 

 ribhed or bare. — 3. Carpopogon. Legume 

 longitudinally ribbed or winged at sutures, con- 

 stricted between seeds. 



2 Handsome ; yellowish, red, or purple. 



8 WIGHT, Icon., t. 35, 280. — Hook., in Bot. 

 Misc., ii. t. suppl., 12, 13. — Wall., PI. As. 

 Ear., t. 47, 236.— Bot. Mag., t. 4945.— Bot, 



VOL. II. 



R<g. (1838), t. IS.— Bi nth., in Mart. Fl. Bras., 

 PapiL, Hiy, t. 46, 47.— Bakes, in Oliv. Ft. 

 Trap. Afr., ii. 184. — Walp., Bep.,i. 767; ii. 

 900 ; Ann., ii. 422 ; iv. 557. 



4 llort. Lugd.-Bat., ii. 53 (nee THEOPH., nee 

 Diosc, nee Corn.). — M<ENCH, Meth., 165. — 

 DC, Prodi:, ii. 390.— Endl., Gt »., n. 6673. — 

 B. 11., (,' n., 532, a. 2M.—Cyrtotropis W u i... 

 PI. As. Ii,,,-., i. I'.t, t.62.— E.s-UL., Gen., n.6672. 



5 Dark purple or scarlet. 



6 Species 3, of which 1 is North American 



U 



