142 PRACTICAL BOTANY. 



Flower single. Petals widely spreading. Anthers 

 conspicuously 2-horned; filaments 2-spurred at the base. 

 Stigma of the style radiately 5-cleft. Valves of the pod 

 smooth on the edges. Plant only 2-4 inches high. Leaves 

 rounded, serrate, clustered. Monesis grandiflora, Salisb. 



(Mo7iesis imiflora, Gray.) 



175. (144.) Stamens 2-10. Stipules scarious. Styles and 

 valves of the capsule 3 (very rarely 5). Leaves linear. Low, 

 decumbent herb. Spergularia rubra, Pers. (201). 



Stamens 5 (rarely 3 or 4) 176 



Stamens 6-12 189 



176. Styles, or sessile stigmas 2 or 3 177 



Styles, or sessile stigmas 4 or 5, and more, often 



deeply 2-parted (with the branches sometimes cleft) 182 



177. Erect shrubs. Leaves pinnate; leaflets 3 to 31. 

 Styles 3 178 



Vines, climbing by tendrils. The filaments of the 

 5 stamens united into a tube, which sheathes the long stalk 

 of the ovary ; anthers fixed by the middle. Throat of the 

 calyx crowned with a complex fringe. Fruit a many-seeded 

 berry. Leaves alternate, palmately lobed. Peduncles joint- 

 ed, axillary. Flowers large, greenish-yellow, or almost white, 

 the crown purple, or rose-color. Fassiflora. 



Herbs 179 



178. Leaves opposite, 3-foliolate. Capsule membranace- 

 ous, large, inflated, 3-sided, 3-parted at the top, and 3-celled, 

 containing 1 to 4 bony seeds. Flowers all perfect, white, in 

 drooping racemose clusters. Staphyllea trifolia, L. 



Leaves alternate; leaflets 3, or 7-31. Fruit a dry 

 drupe, either Avhitish to dun-colored, or red, sometimes pu- 

 bescent. Flowers polygamous, greenish-white, or yellowish, 

 in terminal or axillary panicles, or in clustered, scalj'- bract- 

 ed, catkin-like spikes. Rhus (847). 



179. Calyx of 5 sepals. Styles 3 (rarely 4) 180 



Calyx bell-shaped, 5-cleft, somcAvhat coherent with 

 tlie base of the ovary. Styles 2. Pod 2-beaked, many-seed- 

 ed, opening between the beaks. Perennials. Radical leaves 

 roundish-cordate, lobed and toothed, long-petioled. Flowers 

 panicled, on scape-like stems 181 



