EUPHORBIACEJE. (SPURGE FAMILY.) 409 
calyx-lobes lanceolate, acute; petals greenish-white ; capsule rough-hairy ; seed 
globose, wrinkled. — South Florida. — Shrub 19— 2° high. Leaves 1/-2! long. 
10. CNIDOSCOLUS, Poll. 
Flowers moneecious, apetalous, cymose. Calyx corolla-like. Calyx of the 
stetile 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 
I-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 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. (Iatropha stimulosa, Michz.)— Dry pine barrens, Florida to 
North Carolina. April- Sept. Y — Stem 4°-2° high. Flowers sometimes 
dicecious. 
ll. RICINUS, Tourn. CASTOR-OIL PLANT. 
Flowers moncecious, 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. R. communis, 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. @— Stem 3°-10° high. ‘Leaves 1° in diameter. Stipules large, 
deciduous. Panicle 6'- 12! long. 
12. PHYLLANTHUS, Swartz. 
Flowers moneecious, 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. — Lo 
