CLUSIACEjE. 



409 



anthers, dehiscing by two longitudinal clefts and a gynœcium desti- 

 tute of disk. The ovary is bilocular, surmounted by a style with 

 stigmatiferous extremity dilated to a large subpeltate and bilobed 

 head. In the internal angle of each of the cells are two nearly basilar 

 collateral ascending ovules, with micropyle exterior and inferior. 

 The fruit is a large corticate 1-4-spermous berry. 1 There is perhaps 

 only one species 3 of Mammea, 3 a native of tropical America, but 

 introduced and cultivated in several warm countries of Asia and 

 Africa. The leaves are opposite, rigid, coriaceous, entire, penni- 

 nerved, with numerous fine parallel secondary nervures, covered with 

 glandular punctuations. The flowers are axillary, solitary or united 

 in pauciflorous cymes and with pedicels ordinarily short. 



Close beside Mammea are placed 

 three genera frem tropical Asia, 

 which scarcely differ from it in the 



fundamental organization of the 



flower; these are Mesua, Kayea, 



and Pœciloneuron. Mesua (fig. 



380) has hermaphrodite, tetrame- 



rous flowers, with imbricate sepals, 



an ovary with two biovulate cells 



and a style longer than that of 



Mammea, but terminated also by 



a large stigmatiferous bilobed 



head. The fruit finally opens in four valves. Four or five species 5 



are described. Kayea 6 has the same flowers, with four unequal, 



Fig. 3S0. Flower. 



1 The seeds are ascending, nearly erect, large, 

 covered with a thick bed resembling fibrous 

 hemp, enclosing a large fleshy embryo quite 

 riddled with reservoirs of gum-resinous juice, 

 and much resembling a large almond, with 

 piano-con vex cotyledons, well defined externally, 

 but united by their plane surface, and a very 

 short inferior radicle. 



2 M. americana L. Spec. (ed. 1), 512. — Jacq. 

 Amer. 268, t. 181, fig. 82 ; Amer. Pict. t. 248.— 

 Vahl, Eel. ii. 40.— W. Spec. ii. 1157.— Hamay 

 Bave. Hist. i. 172. — Mammei mayno fructu, Per- 

 sicte sripvre Plum. Gen. 44 ; le. 170. — Rheedia 

 americana Griser. Fl. Brit. W.-Ind. 108. 



3 The other species admitted into the genus 

 by Triana and Planchon {he. cit. 244-246) are 

 attributed by Oliver to the genus Oehrocarpus 

 (see p. 408, 426). 



* L. Gen. n. 656.— J. Gen. 258.— DC. Prodi: 

 i. 562. — Cambess. Mém. Mus. xvi. 426, t. 17, 

 fig. 6. — Spach, Suit, à Bnffon, v. 272. — Endl. 

 Gen. n. 5447.— B. H. Gen. 176, 981, n. 22.— H. 

 Bn. Payer Fam. Nat. 272.— Pl. et Tri. Ann. 

 Se. Nat. sér. 4, xv. 298. — ffliyma Scop. Introd. 

 n. 1185 (ex Endl.). 



6 Bdmph. Herb. Amboin. vii. 3, t. 2 (Nagassa- 

 rium). — JRheede, Hort. Malab. iii. t. 35. — Herm. 

 Zeyl. 7 (Nay has). — Chois. Gutt. Ind. 40. — 

 Wight, Icon. t. 117-119, 961.— Thw. Emtm. PI. 

 Zeyl. 50.— Mia. Fl. Ind. -But. i. p. ii. 509.— 

 Hook. p. Fl. Brit. Ind. i. 277.— Walp. Rep. i. 

 396 ; Ann. i. 129 ; vii. 358. 



« Wall. PI. As. Bar. iii. 5, t. 210.— Endl. 

 Gen. n. 5449.— B. H. Gen. 176, n. 21.— Pl. et 

 Tri. Ann. Se. Nat. sér. 4, xv. 295. 



