LEGUMINOS#-PAPILIONACEZ. 235 
rachis of fascicle node-like, or nearly absent; bracts and bractlets 
small, striated, usually very caducous (4/ warmer regions’). 
11. Vigna Savi..—Flowers of Phaseolus. Standard suborbicular, 
furnished at base with inflexed auriculate appendages ; wings falcate ; 
keel about equal to wings, curved, either without beak or produced 
into a curved beak (not twisted into a perfect spiral). Other characters 
of Phaseolus.—Herbs, twining or more rarely prostrate or short 
erect; leaves of Phaseolus ; stipules sessile, or more rarely produced 
below insertion; flowers® arranged asin Phaseolus (All hotter regions’). 
12? Voandzeia Dvur.—Tu..—Flowers small, polygamous (of 
Vigna) ; fertile flowers, smaller apetalous ; germen sessile pauciovu- 
late; style curved, bearded above; stigma oblong introrse lateral. 
Legume irregularly subglobose, bare within, l-seeded, 2-valved, 
ripening underground. Seed subglobose; hilum oblong; embryo fleshy, 
thick; radicle short, nearly or quite straight.—A creeping herb ;° 
leaves on long petioles, pinnately 3-foliolate, stipellate ; peduncles 
axillary short few-flowered, recurved after anthesis ; flowers axillary 
to small striated bracts ; bractlets conformable (Zropical Africa). 
13. Pachyrhizus Ricu.’—Flowers of Vigna; standard broad 
obovate, furnished at base with inflexed auriculate appendages ; 
1 Species about 20. Gartn., Fruct., ii. 322, 
t. 150.—SmitsH, Spicil., t. 21; Exot. Fl., t. 74; 
Bot. Reg., t. 830.—Jacg., Fragm., t. 55; Hort. 
Vindob., t. 124.—Bot. Mag., t. 380, 896.— 
Wieut, in Hook. Bot. Misc., Suppl., t. 15.— 
Benta., in Ann. Wien. Mus., ii. 118; in Mart. 
Fl. Bras., Papil., 196, t. 51.— Harv. & Sonp., 
Fl. Cap., ii, 243,—Baxer, in Oliv. Fl. Trop. 
Afr., ii, 209.—Watp., Rep., i. 779; ii. 901; v. 
539; Ann, i. 252; ii. 429; iv. 563. 
2 Mem. Phaseol., iii. 7.—DC., Prodr., ii. 401.— 
Ent, Gen., n. 6675.—B. H., Gen., 539, n. 223. 
— Otoptera DC., Mém. Légum.,249,t.42; Prodr., 
ii. 240.—Calicysthus ENDL., Prodr. Fl. Norfolk., 
90; Gen., un, 6675 b,—Scytalis EB. MEy., Comm. 
Pl. Afric. Austr. 144.— ? Strophostyles E. 
Mery., loc. cit., 147 (nec ExL.).—ENDL., Gen., 
n. 6674 (Phaseolus).—? Plectrotropis ScHUM., 
Beskr., 338.—Sphenostylis E. Mry., loc. cit., 
148.—EnvL., Gen., n. 6678. 
3 Yellowish, or more rarely purplish. 
4 Jacq., Hort. Vindob., t. 28, 67, 90, 102.— 
Wient, Icon., t. 202.—Hoox., Lcon., t. 637; 
Bot. Mag., t. 2233.—Ruicw. (A.), Fl. Abyss. 
Tent., t, 2.—Harv. & Sonv., Fl. Cap., ii. 239.— 
Bentu., in Yart. Fl. Bras., Papil., 193, t. 50 ; 
Fl. Austral., ii. 258.— Baker, in Oliv, Fl. Trop. 
Afr., ii, 202.—Watp., Rep., i. 778; v. 537; 
Ann,, ii, 427 ; iv. 562. 
5 Gen. Nov. Madagasc., 23.—DC., Mém. 
Légum., t. 20, fig. 106; Prodr., ii. 474.—EnNDi., 
Gen. n. 6684.—B. H., Gren, 539, n. 224,— 
Baxer, in Oliv. Fl. Trop. Afr., ii. 207.— Cryp- 
tolobus SprEnG., Syst., iii. 152, 218 (part.). 
6 V. subterranea Duv.-Ta.—Arachis afri- 
cana Burm., Fl. Ind., 22.— Glycine subterraneu 
L. 8., Dec., 37, t. 17.— Voandzou Fiac., Madag., 
118. (Voandzeia should perhaps rather be con- 
sidered a section of Vigna with short subter- 
ranean legumes), 
7In DC. Mém. Légum., 379; Prodr., ii. 
402.—EnpL., Gen., u. 6679.—B. H., Gen., 540, 
n. 225.—Caraca Duv.-TH., in Dict. Sc. Nat., v. 
35.—Teniocarpum Drsvx., in Ann. Se. Nat., 
sér. J, ix. 420.—ENDL., Gen., u. 6683.—Robin- 
sia Mart. & Gat., in Bull. Ac. Brua., a. ii. 
193.—Watp., Rep., v. 534. 
