318 



NATURAL HISTORY OF PLANTS. 



receptacle scarcely concave, obtuse at base ; disk minute. Legume 

 stipitate orbicular membranous, scarcely thickened over seeds ; 

 superior suture narrowly winged ; style terminal ; indehiscent. 

 Seeds 2, 3, oblong transverse ; embryo straight. — Shrubs ; leaves 

 alternate 1-foliolate, usually 2-stipellate ; flowers 1 in axillary or 

 lateral, simple or fascicled, racemes. Other characters of Dalbergia 

 (Tropical America 2 ). 



172. Drepanocarpus G. A. F. Mey. 3 — Flowers of Maclueria; sta- 

 mens 1-2-adelphous. Legume reniform or circinate, piano-com- 

 pressed, thickly coriaceous, 1 -seeded indehiscent. — Erect trees or 

 climbing shrubs ; leaves imparipinnate exstipellate ; leaflets usually 

 alternate ; stipules small or hardened spinescent ; flowers 4 in short 

 secundifloral racemes fascicled at axils or branched terminal ; bracts 

 small caducous ; bractlets usually orbiculate persistent {Tropical 

 America and Africa 5 ). 



173. Platypodium Vog. 6 — Flowers almost those of Macharium ; 

 receptacle shortly turbinate. Stamens 10, 8 connate into 2 lateral, 

 4-androus phalanges ; vexillary and lowest nearly or quite free. 

 Legume stipitate samaroid, woody at apex, 1, 2-seeded, indehiscent, 

 dilated at base into an oblong obliquely-veined wing-like stalk. — 

 Unarmed tree; leaves pari- or imparipinnate ; leaflets alternate or 

 irreguarly opposite ; stipules narrowed subulate or minute ; flowers 7 

 in loose racemes at higher axils ; bracts and bractlets small caducous. 

 (Brazil 3 ). 



174. Tipuana Benth. 9 — Flowers almost those of Platypodium; 

 calyx more elongated or tubular, shortly toothed; stamens 10, l,or 



1 Middle-sized. 



- Species 4. Benth., in Journ. Linn. Soc, 

 iv. Suppl., 51 ; in Mart. Fl. Bras., Papil., 229, 

 t. 66. 



3 Primit. Fl. Fssequeh., 236. — G.ZEBTN., 

 Fmct., ii. 351 (part.), t. 156 (Pterocarpus). — 

 DC, Prodr., ii. 420 (part.).— Endl., Gen., n. 

 6709.— B. H., Gen., 546, n. 240.— Orucaria 

 Clus., Fxot., 47, 48 (ex Endl.). — Sommerfeldlia 

 Schum. & Thonn., Beskr., 331. — Nephrosis 

 L. C. Rich., mss. (ex Endl.). 



4 Purple, violet, or white. 



5 Species 8. H. B. K., Nov. Gen. et Spec, 

 vi. 390.— Benth., in Ann. Wien. Mas., ii. 95; 



in Mart. Fl. Bras., Papil., 257, t. 81-S5 ; in 

 Journ. Linn. Soc, iv. Suppl., 69. — Raker, in 

 Oliv. Fl. Trop. Afr.,\\. 237.— H. Bn., in Adem- 

 ■son i<t, vi. 218. 



6 In Linnma, xi. 420. — B. H., Gen., 546, n. 

 2 12. — Callisemcea Benth., in Ann. Wien. Mus., 

 ii. 105.— Endl., Gen., n. 6721. 



7 Handsome, rather large, yellow. 



8 Species 2. Benth., in Journ. Linn. Soc, 

 iv. Suppl., 72; in Mart. Fl. Bras., Papil., 261, 

 t. 87, 88. 



9 In Journ. Linn. Soc, iv. Suppl., 72. — B. H., 

 Gen., 546, u. 241. 



