GENUS 9. POTATO FAMILY. 169 
nally dehiscent. Ovary 2-celled; style slender; stigma capitate. Capsule 2-celled, circum- 
scissile above the middle. [Greek, hog-bean.] 
About 15 species, natives of the Mediterranean region, the following typical. 
1. Hyoscyamus niger L. Black Hen 
bane. Hog’s-bean. Fig. 3728. 
Hyoscyamus niger L. Sp. Pl. 179. 1753. 
Annual or biennial, villous and viscid, of 
an ill odor; stem stout, 1°-23° high. Leaves 
ovate, lanceolate, or oblong in outline, 3’-7’ 
long, acute or acuminate at the apex, sessile, 
or the upper clasping the stem, irregularly 
lobed, cleft or pinnatifid; flowers very short- 
pedicelled, 1-2’ broad; calyx-lobes triangular- 
ovate, acute; corolla greenish-yellow, strongly 
reticulated with purple veins, its lobes ovate, 
obtusish; capsule globose-oblong, about 5” 
high. 
In waste places, Nova Scotia to Ontario, New 
York and Michigan. Naturalized from Europe. 
Fetid nightshade. Insane-root. Belene. Chenile. 
Poison-tobacco. June—Sept. 
10. DATURA L. Sp. Pl. 179. 1753. 
Annual or perennial erect tall branching 
narcotic herbs, some tropical species shrubs 
or trees, with alternate petioled entire sinuate- 
dentate or lobed leaves, and large solitary erect 
short-peduncled white purple or violet flow- 
ers. Calyx elongated-tubular or prismatic, its 
apex 5-cleft or spathe-like, in the following species circumscissile near the base which is per- 
sistent and subtends the globose ovoid prickly capsule. Corolla funnelform, the limb plaited, 
5-lobed, the lobes broad, acuminate. Stamens included or little exserted; filaments filiform, 
very long, inserted at or below the middle of the corolla-tube. Ovary 2-celled, or falsely 
4-celled; style filiform; stigma slightly 2-lobed. Capsule 4-valved from the top, or bursting 
irregularly. [The Hindoo name, dhatura.] 
About 12 species, of wide geographic distribution. Type species: Datura Stramonium L. 
The following are introduced weeds. 
Glabrous or very sparingly pubescent; leaves lobed, calyx prismatic. 1. D. Stramonium. 
Finely glandular-pubescent; leaves entire or undulate; calyx tubular. 2. D. Metel. 
1. Datura Stramoénium L. Stramonium. 
Jamestown or Jimson-weed. Thorn- 
Apple. Fig. 3729. 
Datura Stramonium L. Sp. Pl. 179. 1753. 
Datura Tatula L. Sp. Pl. Ed. 2, 256. 1762. 
Annual, glabrous or the young parts spar- 
ingly pubescent; stem green to purple, stout, 
1°-5° high. Leaves thin, ovate in outline, acute 
or acuminate at the apex, mostly narrowed at 
the base, 3’-8’ long, irregularly sinuate-lobed, 
the lobes acute; petioles 1’-4’ long; flowers 
white or violet, about 4’ high, the limb 14’-2’ 
broad; calyx prismatic, less than one-half the 
length of the corolla; capsule ovoid, densely 
prickly, about 2’ high, the lower prickles shorter 
than the upper or all about equal. 
In fields and waste places, Nova Scotia to Flor- 
ida, west to Minnesota and Texas. Naturalized 
from tropical regions. June-Sept. Peru-, mad- 
or devil’s-apple. Devil’s-trumpet. Jamestown-lily. 
Fire-weed. Dewtry. Races differ in color of 
flowers and in length of the prickles on the pods. 
