RUB I AG E^. 395 



oftener very slender ; throat glabrous ; lobes of limb valvate or sub- 

 reduplicate. Stamens inserted in mouth ; anthers exserted, sometimes 

 versatile. Disk thick, sometimes 2-lobed. Germen 2-celled ; style 

 at apex simple or with 2 linear branches ; ovules attached to septum 

 amphitropous, sometimes dorsally stipate to little -prominent placenta; 

 micropyle extrorsely inferior. Fruit 2-coccous; cocci separable, 

 indehiscent. — Glabrous or variously pubescent herbs ; leaves opposite ; 

 stipules connate in ciliate sheath with petioles ; flowers ^ in terminal 

 compound capituliform glomerules, involucrate with 4 bracts.^ 

 (South-xvest. and south, central N. America.^) 



10. Emmeorhiza Pohl.* — Flowers hermaphrodite; calyx superior, 

 4-dentate ; glandules setose sometimes with teeth interposed. Corolla 

 short subrotate or subcampanulate ; lobes 4, valvate. Stamens 4, 

 inserted in mouth ; filaments slender subulate ; anthers oblong dorsi- 

 fixed versatile, oftener exserted. Germen 2-celled; disk depressed, 

 sometimes 2-lobed ; style erect slender, dilated above to 2 stigmatose 

 lobes; lobes oftener conical pointed. Ovule inserted in septum, 

 ascending; micropyle inferior. Fruit obconical rather compressed, 

 2-coccous ; cocci inwardly dehiscent. Seed oblong peltate ; radicle 

 of small albuminous embryo inferior. — Weak undershrubs, often 

 twining ; leaves opposite ; stipules connate with petiole in hairy 

 sheath ; flowers ^ in very compound ramose corymbiform cymes. 

 {Tropical America.^) 



11. Hydrophylax L. f.'' — Flowers generally 4-merous (rarely 5, 

 6-merous) ; receptacle ovoid (Ernodea ^) or oftener angular. Lobes 

 of 4-partite calyx sublanceolate acute, persistent. Corolla tubular- 

 campanulate, glabrous within [Ernodea) or more or less villose. 

 Stamens 4, or more rarely 5, 6.^ Germen 2-celled; style slender, at 

 apex stigmatose entire or subentire capitellate. Fruit 2-coccous, 



^ Pink or purple. 7 SuppL (1781) 126.— Lamk. III. t. 76, fig. 1 



' Rather a sect, of Spermacoce ? (1793).— Eich. JRub. 78.— DC. Frodr. iv. 576.— 



3 Spec, about 8. Jacq. Hort. Schcetjbr. t. 256 Endl. Gen. n. 3113.— B. H. Gen. ii. 142, n. 311. 



{Spermacoce).— Hook, end ARi^. Beech. Vol/. Bot. — Hook. Fl. Ind. iii. 199. — Sarissus G^rtx. 



t. 99 c. — ^oif. Mag. t. 1558 {Spermacoce).— i?'rMc^. i. 118, t. 25 (1788). 



Walp. Rep. ii. 466 ; vi. 31. * Sw. Frodr. 29 (1783) ; Fl. Lid. Occ. i. 223, 



^ Flora (1825), 183 {Emmeorhiza). — 'Esdi.. t. 4.— Juss. Mem. Mu^. vi. 373.— Gjertn. ?. 



Gen. n. 3135^- B. H. Gen. ii. 146, n. 322.— Fruct. iii. 9i, t 196.— Rich. 72^4. 76, t. 5, fig. 2. 



Endlichera Presl, Symb.i. 73, t. 49. — DC. Frodr. iv. 575. — Endl. Gen. n. 3115.— 



5 Very small, white or pink. B. H. Gen. ii. 142, n. 312. 



• Spec, about 2. DC. Frodr. iv. 575, n. 2 « Exserted in Ernodea Uttorali whose fila- 



(A/acA«ow/a).— G-RisEB. Fl. Brit. W.-Ind. 351. — menta are oftener elongate. 



Walp. Rep. ii. 469 ; vi. 35. 



