RUBIACEJE. 479 



in terminal or axillary corymbiform cymes, bracteate and often 

 bract eolate. {Trop. America.^) 



XL CINCHONE^. 



161. Cinchona L. — Flowers hermaphrodite regular; receptacle 

 turbinate, enclosing adnate germen. Calyx short, oftener 5-dentate, 

 persistent. Corolla hypocrateriform, oftener pubescent ; tube straight, 

 slightly dilated above, or terete, or obtusely 5-gonal ; angles (opposite 

 stamens) sometimes longitudinally divided below ; throat glabrous or 

 variously pilose ; lobes of limb 5, valvate, finally patulous, fimbriate- 

 pilose at margins. Stamens 5, inserted in corolla tube at dilatation 

 (2-form) ; filaments short or rather long ; anthers oblong dorsifixed 

 to base, enclosed or partly exserted; cells 2, introrsely rimose. Germen 

 inferior, 2 -celled ; disk epigynous orbicular pulvinate ; branches of 

 erect (short or rather long) style 2, enclosed or exserted, rather obtuse, 

 stigmatose-papillose within. Ovules oo, ascending, inserted on an axile 

 placenta longitudinally adnate to septum. Fruit capsular ovoid, 

 oblong- ovoid or subcylindrical, longitudinally 2-sulcate to septum, 

 crowned with calyx, septicidally 2-valvate from base; pedicel also 

 2-fissous ; valves at margin attenuate dehiscing inwards. Seeds a), 

 ascending, peltate, inserted in hollows of angular- winged placentas ; 

 coat dilated to a broad membranous ovate or long- elliptical unequally 

 lacerate reticulate wing ; albumen fleshy ; radicle of straight axile 

 ^embryo terete inferior ; cotyledons suborbicular or ovate. — Trees or 

 jhrubs (evergreen) ; bark bitter ; ramules opposite terete or obtusely 

 |4-gonal ; leaves opposite, petiolate entire penninerved, sometimes 

 foveolate beneath to axils of nerves, membranous or subcoriaceous ; 

 [Stipules interpetiolar, internally glanduliferous at base, deciduous ; 

 ■flowers in terminal brachiate compound cymiferous racemes. {N. and 

 S. And. America.) — See p. 337. 



162. Cascarilla Wedd.^ — Flowers ^ of Cinchona ; corolla lobes 5, 



1 Spec, about 12. H. B. K. Nov. Gen. et Sp. 69.— B. H. Geti. ii. 32, n. Id.—Ladenbergia Kl. 



liii. 397.— Enpl. Atakf. 7, t. 7.— Griseb. Fl. Haijn. Arzn. Gew. xiv. not. t 15 (pATt).~Jiueiia 



IBrit. TF.-Iiid. 329. —Seem. Her. Bot. 136.— Wedd. Journ. Linn. Sec. xi. 185; H. Bn. Diet. 



[Walp. Rep. ii. 503 ; vi. 68. Bot. i. 613. 



^ Ann. Sc. Nat. ser. 3, x. 10; Hist. Nat. ^ Small, white, odorous and sometimes, as in 



Quinq. 77, t. 23-25.— Tri. Nouv. Et. Quwq. 24, Cwchcna, 2-morphou9. 



