KEY. 201 



528. Leaves without stipules 529 



Leaves with (sometimes minute) stipules, or a con- 

 necting stipular membrane (which are often furnished with 

 bristles) 530 



339. Leaves whorled, in fours, sixes, or eights (rarely in 

 fives). Corolla wheel-shaped, 4-cleft. Styles 2. Ovary 

 2-celled. Fruit dry, or fleshy, globular, twin, separating, at 

 maturity, into two 1-seeded, indehisceut nutlets. Stems 

 4-angled. Herbs. (276) Galium (645). 



Leaves opposite. Calyx-tube globose, limb 4- (or 5-) 

 toothed. Corolla funnel or bell-shaped, the border 4- (or 5-) 

 lobed. Stigma capitate. Berry globose, 2-seeded, snow- 

 white, or rarely dark red. (519) Symphoricarpus. 



330. Flowers one to each ovary. Fruit dry 531 



Flowers 2 on each double ovary, fragrant. Calyx 

 4-parted. Corolla funnel-form, white, tinged with purple 

 within. Stigmas 4. Fruit red, a berry-like double drupe, 

 crowned with the "calyx-teeth of the 2 flowers, each contain- 

 ing 4 nutlets. Evergreen herbs, smooth, trailing. 



Mitchella repens, L. 



531. Ovules, or seeds, solitary in each cell. Flowers 



small, white. Stipules fringed with bristles 532 



Ovules, or seeds, many or several in each cell of 

 the 2-celIed ovary, or pod. Stipules small, united to the 

 petioles 533 



533. Flowers in dense axillary sessile clusters. Corolla 

 scarcely exceeding the calyx; throat bearded. One of the 

 2 carpels dehiscent. Glabrous, spreading herbs. 



Spenuacoce glabra, Mx. 

 Flowers 1-3 in each axil. The 2 carpels of the 

 fruit indehiscent; Stem hairy, or smooth. Diodia. 



533. Seeds angular, minute, very numerous in each cell. 

 Pod completely enclosed in the calyx-tube. Corolla wheel- 

 shaped, white, much shorter than the calyx. Anthers short. 

 Stems branched, spreading, pubescent. Leaves oblong. 

 Flowers in sessile, axillary clusters. 



(515) Oldenlaudia glomerata, Mx. 



Seeds saucer-shaped, with a ridge down the middle 



of the concave inner face, rather few in each cell (4-20). 



Pod partly included. Corolla salver- or funnel-form, purplish, 



