Jan., 1914.] 
Solanacece of Ohio. 
237 
Datura L. 
Large narcotic herbs, or rarely shrubs or trees. Leaves 
petioled, alternate; flowers large, solitary, erect, short-peduncled 
and white, purple or violet; calyx elongated-tubular or prismatic, 
5-cleft; corolla funnelform, 5-lobed, the lobes plicate, broad, acumi¬ 
nate; stamens included or little exserted, with long, filiform 
filaments, united with the corolla tube to about the middle. 
1. Leaves entire, calyx tubular. D. metel. 
1. Leaves lobed and angled, calyx prismatic, flowers white to purple. 
D. stramonium. 
1. Datura metel L. Entire-leaf Jimson-weed. Annual; 
finely glandular-pubescent, 3 to 9 feet high. Leaves broadly 
ovate, acute, inequilateral, rounded or subcordate at the base; 
flowers white, corolla about twice the length of the calyx; capsule 
nearly globose, obtuse, prickly and pubescent. Lake county. 
From tropical America. 
2. Datura stramonium L. Common Jimson-weed. Annual, 
glabrous or the young parts minutely pubescent. Stem stout; 
leaves ovate, acute or acuminate, often with a tinge of purple, 
irregularly sinuate-lobed, the lobes acute; flowers white or violet; 
calyx prismatic; capsule ovoid, prickly. General. Naturalized 
from the tropics. 
Lycium L. 
Shrubs or woody vines, with small leaves and with smaller 
ones in fasicles in the axils. Flowers white, greenish or purple, 
solitary or in clusters; calyx campanulate, 3 to 5-lobed; corolla 
tube short or slender, the limb 5-lobed (rarely 4-lobed), the lobes 
obtuse; stamens 5, (rarely 4) filaments filiform. 
1. Lycium halmifolium Mill. Matrimony-vine. Glabrous, 
with thorns or unarmed. Leaves lanceolate, oblong, or spatulate, 
with short petioles; stem slender, climbing or trailing; thorns when 
present slender; calyx lobes ovate; corolla purplish, changing to 
greenish; stamens slightly exserted; berry oval, orange-red. 
Rather general. From Europe. 
Physalodes Boehm. 
Annual, erect, glabrous herbs. Leaves alternate, petioled, 
sinuate-dentate or lobed; flowers large, solitary, light-blue, 
nodding; calyx-segments ovate, connivent, cordate or sagitate at 
the base, netted-veined; corolla broadly campanulate, slightly 5- 
lobed; stamens 5, included, united with the base of the corolla. 
1. Physalodes physalodes (L.) Britt. Apple-of-Peru. Plant 
IS to 45 inches high with angled stem. Leaves ovate or oblong, 
acuminate but blunt, narrowing into a long petiole; limb of corolla 
almost entire; segments of the fruiting-calyx terminating in 
cusps, loosely surrounding the berry. Hamilton, Clinton, Clark, 
Franklin, Licking, Gallia, Montgomery, Champaign. From 
Peru. 
