EUPHORBIACE^:. (SPURGE FAMILY.) 409 



calyx-lobes lanceolate, acute ; petals greenish-white ; capsule rough-hairy ; seed 

 globose, wrinkled. South Florida. Shrub 1 - 2 high. Leaves I' -2' long. 



10. CNIDOSCOLUS, Pohl. 



Flowers monoecious, apctalous, cyraose. 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-cellcd, 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 long-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. (latropha stimulosa, Michx.) Dry pine barrens, Florida to 

 North Carolina. April -Sept. 1|. Stem - 2 high. Flowers sometimes 

 dioecious. 



11. 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. Capsule 

 spiny 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. B,. COmniunis, L. Stem large, glaucous ; leaves orbicular in outline, 

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

 smooth ; petioles glandular ; panicles in the forks of the stem, and opposite the 

 leaves, dense, glaucous. Capsules oblong, spiny. Waste places. Introduced. 

 June - Oct. (j) Stem 3 - 10 high. Leaves 1 in diameter. Stipules large, 

 deciduous. Panicle 6'- 12' long. 



12. PHYLLANTHUS, Swartz. 



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 carpels. 

 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 

 sterile, the other fertile, on short nodding pedicels ; calyx 6-parted, the lobes 

 oblong, obtuse, strongly 1-nerved, membranous on the margins ; capsule smooth; 

 seed semicircular, 3-angled, striped with lines of minute raised points. Low 

 ground, Florida, and northward. Aug. -Sept. Stem 8' -16' high. Leaves 

 J'-l'long. 



35 



