COMBRETACEAZ. 273 



which, with a unilocular ovary, have a number of stamens double 

 that of the petals; we have named them Diplalangium j 1 and others 

 where, with an isostemonous andrœcium, there is likewise a single 

 cell ; these are our Marleopsis* that is species which closely 

 approach Marlea 3 (fig. 249-252), of which a distinct genus has 



Alangium {Mirlea) begoniœfolium. 



Fis*. 251. Fruit, 



Fig. 249. Flower {{). 



Fig-. 252. Transverse 

 sect, of fruit. 



Fig. 2.50. Long, 

 sect, of flower. 



hitherto been made, but of which we shall make only a section of the 

 genus Alangium. The andrœcium is there constantly isostemonous, 

 but the ovary cells are two in number. The consequence is that, in 

 the drupaceous fruit, the putamen is hollowed with two cells. One 

 of them is ordinarily narrow and sterile. The seed contained in the 

 other has constantly albumen externally smooth and flat cotyledons. 

 Thus conceived, 4 this genus comprises some fifteen species 5 inhabiting 

 the tropical regions of Africa, Asia, and Oceania. They are trees 



1 Adansonia, v. 195. 



- It is often the same in Rhytidandra (A. 

 Gray, Unit. St. Expl.Exp. Bot. i. '303, t. 2S ;— 

 Pseudalangium F. Muell. Fragm. ii. 84). 



3 Roxb. PL Command, iii. 79, t. 283.— DC. 

 Prodi: iv. 267 (note).— Endl. Gen. n. 6097 — 

 H. Bn. Pager Tarn. Nat. 341.— B. H. Gen. 949, 

 n. 2. — Stylidium Louu. PI. Coehinch. (ed. 1790), 

 220 (not Sw.).— StylU Pom. Diet. Suppl. v. 260. 

 — Pautsauvia J. Diet. So. Nut. Ii. 158. 



VOL. VI. 



Alangium 

 sect. 5. 



1. Angolam (Adans.). 



2. Diplalangium (H. Bx.). 



3. Marleopsis (H. Bn.). 

 i. fihytidandra (A. Gray). 

 5. Marlea (Roxe.). 



5 Wight and Akn. Prodr.i. 325. — Lindl. Pot. 

 Raj. (1838), t. 61 {Marlea).— Wight, Icon. 1. 194; 

 III. t. 96.— Done. Jacatum. Voy. But. t. 83 

 {Marlea).— Mia. Fl. Ind.-Bat. i. pp. i. 773, 774 



18 



