XL. SAtlNDACEiEi. 296 



6. RATONIA, DO. 



(From Baton, a name of a species in St. Domingo.) 



(Arytera, Blume.) 



Flowers regular, polygamous. Calyx small, cup-shaped, 4 or 5-toothed or 

 lobed, open, valvate, or slightly imbricate in the bud. Petals 4 or 5, small, with 

 or without scales inside or none. Disk usually annular. Stamens 7 to 10, 

 inserted inside the disk. Filaments filiform, longer than the calyx. Ovary 2 or 

 8-celled, with 1 ovule in each cell. Capsule either 2-celled and compressed, or 

 3-celled and 3-angled or 8-lobed, loculicidally 2 or 3-valved, rarely almost 

 indehiscent. Seeds more or less covered by an arillus ; testa crustaceous ; coty- 

 ledons thick, often curved or folded. — Trees. Leaves alternate, pinnate ; leaflets 

 alternate or opposite, usually without a terminal one. Flowers small, in terminal 

 or axillary panicles. Petals rarely as long as the calyx. 



A large tropical genus, with the same range as Cupania, but especially numerous in America. 

 The Australian species are all endemic. It is closely allied to Cupania, with which it is usually 

 joined, but the gamosepalous calyx and long filaments appear to give it at least as great a value 

 as several other generally admitted genera of Sapindacem. 



Leaflets 1 to 4, 2J to 4in. long, ovate or lanceolate-ovate, slightly undulate ; 

 petiolules short. Capsule 7 to 10 lines long, stipitate, angular, hairy, 

 2 or 3-valved and 2-angular. Arillus light-orange \. R. lachnocarpa. 



Leaflets numerous, 12 to 16in. long, 4 to 5Jin. broad, lanceolate-oblong, 

 glabrous, entire ; petiolules 6 to 8 lines long. Capsule glabrous, olavate, 

 3-ribbed, brownish, 1 or 2-seeded . . 2. R. grandisdma. 



Leaflets 3 to 8, 4 to 6in. long, ovate or ovate-lanceolate, entire, very 

 coriaceous, glabrous except the young growth ; petiolules Jin. or more. 

 Capsule globular, pear-shaped, 4 lines diameter, on long stipes, 3-ribbed 3. R. pyrifminis. 



Leaflets 2 to 4, 2 to 4in. long, ovate or ovate-lanceolate, glabrous ; 

 petiolules J to Jin. long. Capsule pear-shaped, 3-angled, about Jin. 

 broad, the valves almost woody i. R. anodonta. 



Leaflets 3 to 6, 2 to Sin. long, oblong-lanceolate, glabrous except when 

 young ; petiolules 3 or 4 lines long. Capsule 3-angular, depressed at 

 the top, Jin. broad, stipitate 5. R, stipitata. 



Leaflets 4 to 7, 3 to 4in. long, obliquely ovate-lanceolate, entire, minutely 

 pelluoidly-dotted ; petiolules about Jin. long. Capsule glabrous, 

 3-angled, flat at the top, 4 lines broad 6. ,ff. punctulata. 



Leaflets 4 to 6, 5 to 9in. long, ovate-lanceolate, entire, membranous, on 

 short petiolules. Capsule lin. diameter on a thick stipes, 3-oelled, 

 sharply angled at the sutures, yellow, glabrous. Seeds chestnut-like, 

 bearing at the base a yellow strophiole 3 lines broad 1 . R. Nugentii. 



Leaflets 2 to 5, 2 to 8in. long, ovate to lanceolate, glabrous above, pilose 

 below ; petiolules 3 to 9 lines long. Capsule glabrous, including the 

 stipes 8 to 12 lines long, clavate ....... 8. JJ. exangulata. 



Leaflets 4 or 5, 4 to 7in. long, lanceolate, membranous ; petiolules slender. 

 Capsule red, Jin. long, globose-pyriform, triquetrous towards the base, 

 1-seeded 9. iJ. Lessertiana. 



Leaflets 2 to 5, 2 to 5 in. long, broad-obovate, entire, glabrous ; petiolules 

 very short. Capsule brownish, trigonous, shortly stipitate. Arillus 

 yellow or orange 10. R. O' Shanesiana. 



Leaflets about 8, 2 to 6in. lorig, brpad or lanceolate-ovate, discolor ; margins 

 repand-undulate, rarely crenate, almost glabrous. Capsule 6 to 8 lines 

 long, not stipitate, thick, woody, 3-valved. Arillus bilobed, short, pale- 

 yellow II' ^- Tiiemeliana. 



Leaflets 2 or 3 or 1, 2 to 4in. long, broad or ovate-lanceolate, entire, the ' 

 costule on the under side pubescent. Capsule woody, glabrescent, acutely 

 3 or 4-angled, about Jin. broad, reddish outside, at length expanding 



' horizontally ■ 12. iJ. Martyana. 



Leaflets 4 to 10, about Sin. long, almost glabrous on both sides, lanceolate- 

 ovate, imperfectly crenulate. Capsule hard, .acutely trigonous, shortly 

 stipitate, scarcely Jin. long, glabrous outside 13. Jt. Cordierii. 



Leaflets 3 to 8, 2 to Sin. long, oblong-elliptical or lanceolate, much 

 narrowed towards the base; scarcely petiolulate. Capsule flattish, 2- 

 celled about jin. long,,and broad at the top, reddiah-yellow outside . . 14. R. teiwx. 



