256 SOLANACE^E. 



3. NICANDRA.. Adam. Nicandra. 



(In honor of Nicander, an ancient Greek physician.) 



Calyx 5-parted, 5-angled, the angles compressed, segments 

 sagittate. Corolla campanulate, dry ; the limb plaited and 

 nearly entire. Stamens incurved.' Berry 3 5 -celled, covered 

 by the calyx. 



N. physaloidcs Gcert.: stem herbaceous; leaves sinuate-angled, glabrous ; 

 flowers solitary, axillary, on short peduncles ; calyx closed, with the angles 

 very acute. Alropa physaloides Linn. 



Cultivated grounds, road sides, &c. N. Y. to Geor. July, Aug. (D- Stem 

 2 3 feet high, much branched. Leaves 2 4 inches long, alternate. Flowers 

 solitary, axillary, on short peduncles, pale-blue. Introduced. Originally from 

 Peru, where it is said to be much used as a narcotic. Nicandra, 



** Fruit a capsule. 



4. NICOTIANA. Linn. Tobacco. 



(After John Nicot, who introduced tobacco into Europe.) 



Calyx tubular-campanulate, 5-cleft. Corolla funnel-form; 

 the limb 5-lobed and plaited. Stamens 5, equal. Stigma capi- 

 tate. Capsule 2-celled, 2 4-valved, many-seeded. Seeds 

 minute. 



N. rusLica Linn. : plant viscid-pubescent ; stem terete ; leaves petioled, 

 ovate, very entire ; tube of the corolla cylindrical, 'longer than the calyx, 

 the lobes rounded. 



Western part of New York. Nutt. Long Island. Torr. .Stem 1218 

 inches high. Flowers greenish-yellow, in a terminal panicle or raceme. Ac- 

 cording to Mr. Nuttall it has been introduced by the Indians. It contains the 

 same poisonous principle as the common tobacco. Wild Tobacco. 



5. DATURA. Linn. Thorn Apple. 



(Supposed to be derived from Tatorah, the Arabic name of the plant.) 



Calyx tubular and usually 5-angled, separating from the per- 

 sistent base. Corolla funnel-form, the tube long, the limb 5- 

 angled and plaited. Stamens 5. Stigma bilamellate. Cap- 

 sule usually prickly ormuricate, 2-celled, 4-valved; cells 2 3- 

 parted, many-seeded. 



D. Stramonium Linn. : stem dichotomously branched ; leaves ovate, 

 smooth, angularly-toothed, somewhat cordate ; capsule spiny, erect. 



var. Tatula Torr. : stem and flowers purple. D. Tatula Linn. 



Waste grounds, &c. Throughout the U. S. July Sept. .Stem 26 

 feet high, yellowish -green or purple. Flowers solitary, large, white or bhu'sh- 

 purple, on peduncles. Very fetid. Medicinal and poisonous. Big. Med. Sof., 

 l. 16. Jamestown Weed. Thorn-apple. 



