RHIZOPHORACEJE. 293 



which cover a fleshy albumen, surrounding a more or less curved 

 embryo, of which the radicle is superior and the cotyledons are flat. 

 Seven or eight species ^ of Barraldeia are known, natives of the tro- 

 pical regions of Africa, Asia, and Oceania. They are trees or shrubs 

 with rounded branches, somewhat swollen at the level of the leaves, 

 which are opposite, petiolate, thick, entire, glabrous, penninerved, 

 entire or finely dentelate and accompanied by interpetiolate caducous 

 stipules ordinarily but slightly developed. The flowers ^ are disposed 

 in the axil of the leaves in bi- or triparous cymes, generally much 

 ramified. 



Close beside Barraldeia is placed Orossostylis, which is extremely 

 like, presenting quite the same variations as to the absolute number 

 of stamens, with 4- or 5-merous flowers. They diff'er chiefly in the 

 ovary, only partly inferior, in the very variable number of more or 

 less incomplete, biovulate cells, in their fleshy fruit, tardily locu- 

 licidal, with seeds furnished with a voluminous axil and a straight 

 embryo. It comprises Oceanic shrubs. As in Barraldeia the petals 

 are sometimes entire, sometimes more or less laciniate. The flower 

 of Gyiiotroches^ a shrub of the Indian archipelago, has the same 

 characters as that of the preceding genera, with four or fiNQ sepals and 

 a diplosteraonous androecium, and a fleshy fruit ; but in each of the 

 cells of the inferior ovary there are four descending ovules, disposed 

 in pairs; and in the cymes there are no connate bract eoles to form a 

 sort of calicule. In Pellacalyx, native of the same regions, the ovary, 

 entirely inferior, is surmounted by a receptacular tube at the summit 

 of which are inserted from four to six sepals, an equal number of 

 alternate petals (little developed or nil) and a double number of 

 stamens arranged in two verticils. The ovarian cells enclose 

 numerous descending ovules. 



III. MACAEISIA SERIES. 



For a long time referred to other families, Macarisia^ (fig. 270, 

 271) is the best type of this group to which the names of Legnotidece 



^ Wight, III. i. t. 90 ; Icon, t GOi, 605 (Ca- — Walp. Hep. ii. 71 ; Ann. vii. 951 {Carallia). 



rallia).~AK^. Ann. Nat. Hist. i. 370 {Carallia). 2 Small, greenish or whitish, accompanied by 



— Thw. IJimm. PI. Zeyl. 120 {Carallia) — TuL. two lateral bracteoles. 



Ann. Sc. Nat. ser. 4, vi. 116 {Carallia).— Y^^^in, ^ Hist. V6g, Isl. Afr. 49, t. 14.— Endl. Gen. 



FL Hough. 110; Fl. Austral, ii. 495 {Carallia). n. 6890 {Macharisia).—R. Bx. Adansonia, iii. 



— MiQ. Fl. Ind.'Bat. i. p. i. 593 ; Suppl. 126, 15, 19, t. 2.— B. H. Gen. 246, 682, n. 12. 

 326 {Carallia), — Hueeue, Hort. Malab. v. t. 13. 



