236 NATURAL HISTORY OF PLANTS. 
style more or less flattened at apex ; stigma subglobose at inner face, 
very shortly stipitate. Legume marked with transverse lines between 
seeds, 2-valved ; cells full. Seeds transversely oblong or suborbiculate, 
compressed ; hilum minute, oblong or elliptical—Herbs, with habit 
and leaves of Phaseolus ; bracts and bractlets small setaceous. Other 
characters of Phaseolus or Vigna (Hotter regions of America and Asia’). 
14. Psophocarpus Nucx.’—Flowers of Pachyrhizus; vexillary 
stamen free close to base, usually connate at middle with remainder 
into a tube; ovary shortly stipitate, o-ovulate; style thickened 
above ovary, subulate curved beardless ; stigma terminal subglobose 
or introrse, with a dense villous tuft. Legume 4-gonous, longitudi- 
nally 4-winged (2 anterior, 2 posterior wings), 2-valved, stuffed within 
between seeds. Seeds transversely oblong, compressed in turn ; 
hilum lateral, oblong or elliptical, exarillate. Embryo very fleshy ; 
radicle inflexed; petioles of cotyledons forming a sheath round 
plumule and tigella—Twining herbs; leaves pinnate 3-foliolate 
stipellate ; stipules membranous, produced below insertion ; flowers’ 
in fascicled racemes; bracts deciduous; bractlets larger, persistent 
for a longer time (Zropical Asia and Africa’). 
15, Galactia P. Br.’—Receptacle concave, lined by a disk; disk 
crenulate, a little projecting round gyneceum. Calyx gamosepalous ; 
lobes 4 (2 highest connate into one quite entire), long acuminate ; 
lowest lobes often longer. Petals a little unequal; standard ovate 
or orbicular, with slightly inflexed margins, wings long obovate or 
narrow, more or less adhering to keel; keel equal to or a little 
longer than wings, without beak. Stamens 10, either 2-adelphous 
(9-1), or l-adelphous at base and vexillary stamen connate at 
middle with remainder; anthers uniform. Germen sessile or sub- 
sessile, c-ovulate; style slender beardless; apex stigmatiferous, 
1 Species 2. L., Spec., 420.—Lovr., Fl. Co- 
chinch., ii. 585 (part.), 536.—Mog. & SEss., in 
DC., Prodr., ii. 399, n. 34.—BeEntH., Fl. Bras., 
‘Papil., t. 538.—Watp., Rep., ii. 902. 
2 Elem., n. 1362.—DC., Prodr., ii. 403.— 
Env, Gen., n. 6680.—B. H., Gen., 540, n. 
226.—Diesingia ENDL., in Flora (1862), 117; 
Atakta, i,t. 1,2; Gen., nu. 6681.—Botor ADANS., 
Fam. des Pl., ii. 326. 
3 Lilac or violet, rather large or middle-sized. 
4 L., Spec., 1021.—Rumpu., Herb, Amboin., 
v. t. 183.—Dvp.-Tu., in Dict. des Sc. Nat., v. 
241.—Benta., in Mart. Fl. Bras., Papil., 197, 
t. 52.— Baker, in Oliv, Fl. Trop. Afr., ii. 
208.—Watp., Rep., i. 781; ii. 902. 
5 Jam., 298.—DC., Prodr., ii. 237.—END1t., 
Gen., n. 6653.—B. H., Gen. 535, n, 211.— 
Betencourtia A. 8. H., Voyag., i. 376.—Sweetia 
DC., Prodr., ii. 381 (nec SPRENG.).— Odonia 
Bert., ex DC., Prodr,, ii. 239.—Heterocarpea 
SCHEELE, in Linnea, xxi. 467.—Leucodictyon 
Datz., in Hook. Journ., ti. 264. 
