328 NATURAL HISTORY OF PLANTS. 
racemes; bracts and bractlets small deciduous (Western tropical 
Africa’). 
191. Hymenolobium Benru.’—Flowers almost those of Platy- 
miscium. Calyx truncate at apex, obscurely and sinuately toothed. 
Germen pluriovulate. Legume oblong or linear-oblong, flat membra- 
nous indehiscent, traversed by branched veins of which 2, larger than 
remainder, are almost parallel to margins near base. Seed 1, plano- 
compressed, transversely oblong ; embryo exalbuminous ; radicle short 
inflexed.—A tree; leaves alternate imparipinnate ; leaflets opposite ; 
stipules linear or lanceolate, caducous ; flowers’ loosely panicled on leaf- 
less branches ; bracts and bractlets small caducous (Zropical America’). 
192. Pongamia Vent.'—Receptacle short cupuliform. Calyx 
sacciform; teeth 5; very obtuse or evanescent. Corolla nearly 
of Dalbergia or Ostryocarpus ; wings adhering at middle to obtuse 
keel. Stamens 10, 2-adelphous (9-1) at base; vexillary stamen 
sometimes connate at middle with remainder into a closed tube; 
anthers versatile. Germen subsessile; ovules 2; style slender 
curved; apex more or less capitate, stigmatiferous. Legume more 
or less obliquely oblong, plano-compressed, thickly coriaceous or 
subcarnose, 1-seeded indehiscent; sutures obtuse bare.—A tree; 
leaves imparipinnate ; leaflets opposite; stipules minute caducous ; 
flowers’ in axillary racemes, in groups of 2-4 along rachis; bracts 
very caducous ; bractlets 2, inserted at middle of pedicel’ (Zropical 
Asia and Australia’). 
193. Deguelia Avs1.*—Flowers almost those of Pongamia ; 
1 Species 1. O. riparius Hoox., loc. cit.— closely allied to section Amphymenium of Ptero- 
Benra., in Journ. Linn. Soc., iv. Suppl., 85, 
[and also O, ? Welwitschii Baxer, in Oliv. Fl, 
Trop. Afr., ii, 240]. 
2 In Journ. Linn. Soc., iv. Suppl., 84.—B. H., 
Gen., 548, u. 247, 
3 Pink, rather large. 
4 Species 1. H. nitidum Bunvu., in Mart, 
Fl. Bras., Papil., 274, t. 98. 
5 Jard. Maim., t. 28.—Lamx., Iil., t. 600.— 
DC., Prodr., ii. 416, n. 1—Enpu., Gen., n. 
6713.—B. H., Gen., 549, u. 251.— Guadelupa 
Lamx., Diet., i. 595, 
6 Whitisb ; standard very thinly silky outside. 
7 «This genus is scarcely distinct from Lon- 
chocarpus” (BENTH.), and at the same time is 
carpus. 
8 Species 1. P. glabra Vent., loc. cit.—P. 
grandifolia Zour, & Mor., Verz., 3.—L., Spec. 
1044 (Robinia).—W., Spec., iii. 901 (Dalbergia). 
* Guian., 750 (1775), t. 800 (excl. fruct.).— 
Lamx., Dict., ii, 266; Iil., t. 608.—DC., Prodr., 
ii, 422.—EnpL., Gen. nu. 6733.—H. Bn, in 
Adansonia, ix. fase. 7.— Cylizoma NEck., Elem., 
n. 1343.—Derris Lour., Fl. Cock., ed. Ulyssip. 
(1790), 482.—DC., Prodr., ii, 415.—ENot., 
Gen, n. 6732.—B. H., Gen., 549, n. 250.— 
Brachypterum Brxvu.,in Ann. Wien. Mus., ii. 
101.—EwDL., Gen., n, 6712.—Aganope Miq., 
Fl, Ind. Bat., i. p. 1, 151. 
