432 EUPHOKBIACE^E. (SPUKGE FAMILY.) 



12. JATROPHA, L. 



Flowers monoecious. Sepals 5, mostly united. Petals 5, or none. Glands 

 of the disk 5, opposite the calyx h>oes. Stamens monadelphous. Styles 3-4, 

 2- 3-cleft, capsule 2-4-seeded. Herbs or shrubs. Leaves mostly palmately 

 lobed. 



1. J. gOSSypiifolia, L. Shrubby (2 high) ; leaves roundish, 3 - 5-lobecl, 

 serrate, the petiole bristly, glandular ; bracts and calyx bristly -ciliate ; petals 

 5, dark red. Key West (L'urtiss), introduced. 



13. CNIDOSCOLUS, Pohl. 



Flowers monoecious, apetalous, cymose. Calyx corolla-like. Calyx of the 

 sterile flower salver-shaped, 5-lobed. Stamens 10, the 5 inner ones with mona- 

 delphous filaments. Fertile flowers intermingled with the sterile ones. Calyx 

 of 5 sepals, convolute in the bud. Styles 3, many-parted. Capsule of three 

 1 -celled, 1-seeded, 2-valved carpels. Herbs or shrubs, with alternate leaves, 

 and white flowers. 



1. C. Stimulosus, Gray. Herbaceous, bristly with stinging hairs ; stem 

 erect, simple or branched ; leaves loug-petioled, round-cordate in outline, pal- 

 mately 3 - 5-lobed or parted, the divisions toothed, pinnatifid, or somewhat 

 bipinnatifid, often discolored; calyx showy; capsule oblong; seed oblong, 

 smooth, spotted. (Jatropha stimulosa, Michx.) Dry pine barrens, Florida to 

 North Carolina. April - Sept. ^ Stem - 2 high. Flowers sometimes 

 dioecious. 



14. RICINUS, Tourn. CASTOR-OIL PLANT. 



Flowers monoecious, apetalous, in a dense oblong panicle, the upper ones 

 fertile. Calyx 3 -5-parted. Corolla none. Stamens numerous ; the filaments 

 much branched : anther-cells distinct, pendulous. Styles 3, 2-parted. Cap- 

 sule spiuy or bristly, of 3 oblong 1-celled, 1-seeded, 2-valved carpels. Herbs, 

 or (tropical) shrubs or trees, with petioled peltate lobed leaves. Panicles 

 lateral and terminal. 



1. R. COmmunis,L. Stem large, glaucous ; leaves orbicular in outline, 

 palmately 7 - 9-lobed ; the lobes oblong or ovate, acuminate, unequally ser- 

 rate, smooth ; petioles glandular ; panicles in the forks of the stem, and op- 

 posite the leaves, dense, glaucous. Capsules oblong, spiny. Waste places. 

 Introduced. June -Oct. Stem 3 - 1 high. Leaves 1 in diameter. 

 Stipules large, deciduous. Panicle 6'- 12' long. 



15. PHYLLANTHUS, Swart/. 



Flowers monoecious, apetalous, axillary. Calyx 5-6-parted. Stamens 3, 

 monadelphous. Glands 5-6. Ovary 3-celled, with two ovules in each cell 

 Styles 3, 2-cleft. Capsule globose, of three 1-celled, 2-seeded, 2-valved car- 

 pels. Smooth herbs, with 2-ranked leaves and branches. Flowers small, 

 greenish. 



1. P. Carolinensis, Walt. Annual; branches erect-spreading; leaves 

 oblong, oval, or obovate, entire, short-petioled ; flowers mostly by pairs, one 



