RUBTAGEJE. 479 



in terminal or axillary corymbiform cymes, bracteate and often 

 bracteolate. (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 c», 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 oo, 

 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 

 shrubs (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 glanduUferous at base, deciduous ; 

 flowers in terminal brachiate compound cymiferous racemes. (A^ and 

 S. And. America.) — See p. 337. 



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



1 Spec, about 12. H. B. K. Nov. Osn. et Sp. 69.— B. H. Gen. ii. 32, n. IQ.—Ladenierffia Kl. 



iii. 397.— BNni. Afa/ct. 7, t. 7.— Griseb. Fl. Sai/n. Arm. Gew. x.iv. not t 15 (fa.-rt).—}itwiia 



Srit. W.-Ind. 829. — Sebm. Her. Sot. 136.— Wedd. Jomn. Linn. Soe. xi. 185; H. Bn. Diet. 



Walp. Sep. ij. 503 ; vi. 68. Bot. i. 618. 



'Aim. Sc. Nat. ser. 3, x. 10; Hist. Nat. ^ gmall, -white, odorous and sometimes, as in 



Quinq. TI, t. 23-25.— Tbi. Notiv. Et. Quing. 24, Cinchona, 2-morphous. 



