168 PRACTICAL BOTANY 



scape, and longer than it. Flower small, whitish-flesH-cblor. 

 Style short, club-shaped. Anthers confluently 1-celled. 



Iiimosella aquatica, L. 

 Herbs with stems 335 



335. Leaves entire or only toothed. Calyx 5-toothed. 

 Corolla nearly equally 5-lobed, purple, or blue 337 



Leaves pinnatifid, all of them, or the lower ones. 

 Corolla nearly equally 5-lobed, yellow ; throat woolly, as are 

 the stamens , 336 



336. Corolla-tube short. Anther-cells not pointed at the 

 base. Seymeria macrophylla, Nutt. 



Corolla-tube elongated ; the 2 upper lobes smaller' 

 and more united. Anther-cells awn-pointed at the base. 



Dasystoma, Raf. 

 • {Gerardia, L.) 



337. Anthers 1-eelled. Corolla salver-form, pubescent, 

 its tube curved. Pod many-seeded. Leaves partly entire, 

 partly sparingly and coarsely dentate, ovate-oblong, or lan- 

 ceolate. Spike interrupted. Buchnera Americana, L. 



Anthers 2-celled. Flowers pretty 338 



338. Filaments hairy. The upper 2 corolla-lobes small- 

 er, and more united. Pod many-seeded. Leaves linear. 

 Flowers axillary. Peduncles 1-flowered. Gerardia. 



Filaments not hairy. Anthers sagittate. Corolla 

 almost regularly 5-cleft. Pod 8- to 12-seeded, stalked. 

 Leaves ovate or elliptical, nearly entire. Flowers solitary, 

 few or clustered in the axils, with a pair of (wing-like) \eatf 

 bracts. Dipteracauthus. 



339. (331.) Herbs. Stamens included, anthers of the 

 longer pair rarely tipped with a glandular appendage, or up- 

 per pair sometimes antherless. Corolla salver-form, 5-lobed, 

 often with its tube curved; lobes slightly unequal. Fruit 

 splitting into 4 nutlets. Flowers sessile, in simple or often 

 panicled spikes, bracted. Verbena. 



Shrub. Stamens exserted ; anthers opening at the 

 apex. Corolla tnbular-bell-shaped, 5- (or 4-) lobed, lobes 

 nearly equal. Fruit a small, violet-colored drupe, with 4 nut- 

 lets. Callicarpa Americana, L. 



