BUBIAGEM. 395 



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

 reduphcate. Stamens inserted in mouth ; anthers exserted, sometimes 

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

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



amphitropous, sometimes dorsallystipate 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-west, 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 

 mserted m 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.C0CC0US; cocci inwardly dehiscent. Seed oblong peltate; radicle 

 of smaU albuminous embryo inferior. — Weak undershrubs, .often 

 twmmg; leaves opposite; stipules connate with petiole in hairy 

 sheath; flowers ^ in very compound ramose "corymbiform cymes 

 (i ropzcal 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 vilbse 

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

 apex stigmatose entire or subentire capitellate. Fruit 2-coccous 



' Ser?rf ■. . ' ^"^P'- ^'^''^ 126.-LAMK. III. t. 76, fig. 1 



= tp c aW 8 "''"''TT I . . (1793).-EiCH. Hut. 78.-DO. P™*. i.. 576 - 



opec. about 8. Jacq. Hort. Schcenbr. t. 256 Endl. Gen. n. 3113 -B H Gen ii 142 „ %n 



(^„..) Hook, and Ak.. Beeck. Voy. Bot. -Hook. M. In,. ^{^[-^aHss^'i^ 



*^^^c.-Bot. Maif. t. 1558 (Spermaeooe).- Jr«;*. i. 118, t. 26 (1788) 



^ very small, white or pmk. b. H. Gen. ii. 142, n. 312. 



ril/.;f"''-t°",. ^- ^°- ^™*- '^■"^' "• 2 'Exserted in Smodea IMoraU whose fila 



{Uaokao„,a).~iJ^,,^^. j, Srit. W.-Ind. 351.- nients are oftener elongate. 

 WAip.,JJep.i]. 469; vi. 35. * 



