Vor.. II.] SPURGE FAMILY. 369 
1, Jatropha stimulosa Michx. 
Spurge Nettle. Tread-softly. 
(Fig. 2305.) 
Jatropha stimulosa Michx. F1. Bor. Am. 2: 216. 
1803. 
Jatropha urens var. stimulosa Muell. Arg. in DC. 
Prodr, 15: Part 2, 1101. 1862. 
Perennial by astout root, herbaceous, bright 
green, armed with stinging hairs. Stem 
rather slender, erect, simple or branched, 4/— 
336° tall; leaves nearly orbicular in outline, 
2'%4/-12’ broad, truncate or cordate at the base, 
deeply 3-5-lobed, the lobes entire, toothed or 
pinnatifid; calyx of the staminate flowers sal- 
verform, white or pink, 10’’-20’” broad; cap- 
sule oblong, 5’’-8’’ long, papillose, wrinkled; 
seeds oblong-obovoid, 5’’-6/’ long, smooth, 
mottled. 
In dry sandy soil, Virginia to Florida and 
Texas. March-Aug. 
Q- STILLINGIA L,. Mant. 1: TOWN LOE 
Monoecious glabrous herbs or shrubs, with simple or branched stems, alternate or rarely 
opposite, entire or toothed leaves, often with 2 glands at the base, the flowers bracteolate, in 
terminal spikes, apetalous, the bractlets 2-glandular. Staminate flowers several together in 
the axils of the bractlets, the calyx slightly 2~-3-lobed; stamens 2-3, exserted. Pistillate flowers 
solitary in the axils of the lower bractlets; calyx 3-lobed, ovary 2-celled or 3-celled with a soli- 
tary oyule in each cavity; styles stout, somewhat united at the base. Capsule 2-lobed or 3- 
lobed, separating into 2 or 3 two-valvedcarpels. Seeds ovoid or subglobose. Embryo straight 
in the fleshy endosperm. [In honor of Dr. B. Stellingfleet, an English botanist. ] 
About 15 species, mostly of tropical America and the islands of the Pacific Ocean. 
1. Stillingia sylvatica IL. Queen’s 
Delight. Queen-root. (Fig. 2306.) 
Stillingia sylvatica I, Mant. 1: 126. 1767. 
A bright green slightly fleshy perennial herb. 
Stem rather stout, erect or assurgent, usually 
branched from the base, 1°-3%° tall.- Leaves 
obovate, oblong or elliptic, 5-4’ long, obtuse, 
or subacute, serrate with appressed teeth, often 
narrowed at the 2-glandular base, sessile; flow- 
ers in terminal spikes, lemon-colored, subtended 
by small bracts furnished with saucer-shaped 
glands; calyx cup-shaped; petals and glandular 
disk none; capsule depressed, 5//—7’’ in diameter, 
3-lobed; seeds ovoid, 3/7 long, light gray, mi- 
nutely pitted and papillose, the base flattened. 
In dry soil, Virginiato Florida, Kansas and Texas. 
Called also Silver-leaf; the root, known as Queen’s- 
root, an alterative. March-Oct. 
10. EUPHORBIA L. Sp. Bla aso rz 53: 
Monoecious herbs (many tropical species shrubs), with alternate, opposite or verticillate 
leaves, the inflorescence cymose. Flowers borne in sessile or peduncled, top-shaped or 
campanulate involucres subtended by bracts, which are often brightly colored. Sinuses of 
the inyolucres usually bearing glands, naked or appendaged. Staminate flowers scattered 
24 
