258 DICOTYLEDONOUS PLANTS. 



HAB. Roadsides. N. Y. to Car. W. to Miss. July, Aug. I/, 

 Stem 2 3 feet high. Flowers yellow. Buries viscous. 



Ground Cherry 



2. P. obscura Mich. : pubescent ; stem prostrate, divaricate ; leaves 

 broad-cordate, subsolitary, unequally and coarsely toothed ; flower so- 

 litary, nodding ; calyx very hairy- P> pniinosa Ell. f 



HAB. Hills. Penn. to Car. Pursh. Aug. <). Flowers pale 

 yellow, with 5 purple spots at base. Anthers bluish. 



3. P. lanceolate Mich. : stem erect, densely pubescent ; leaves most- 

 ly in pairs, oval-lanceolate, very entire, narrowed at the base into a 

 petiole ; flower solitary, nodding ; calyx villous. 



UAB. Penn. Muhl. S. to Car. July. U-Stem 12 feet high. 

 Flowers pale yellow. 



4. P. pcnnsylranica Linn. : stem herbaceous, branched ; leaves ovate, 

 somewhat repand, obtuse, nearly naked j peduncles axillary, solitary, 

 a little longer than the petioles. 



HAB. Road sides. Penn. to Car. July Sept. U. &//.// a 

 foot high. Flotctrs yellow. Berries red. 



3. NICANDRA. Adans. 



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

 sagittate. Corol campanulate. Stamens incurved. Berry 

 3 5-celled, covered" by tho calyx. Pentandria. Monogynia. 



N. physaloidcs Pers. : stem herbaceous ; leaves sinuate, angled, gla- 

 brous ; flowers solitary, axillary, on short peduncles ; calyx closed, 

 with the angles very acute.. Atroj>a physaloidcs Linn. 



HAB. Cultivated grounds. N. Y. to Car. July, Aug. . 

 Stem 2 3 feet high, much branched. Leares alternate. Floircr 

 solitary, axillary, on short peduncle*, pale blue. Introduced. 



Div. II. Fruit a capsule. 



4. NICOTIANA. Linn. 



Calyx urccolate, 5-cleft. Corol funnel-form, 5-cleft, regu- 

 lar. Stamens 5. Stigma emtirginate, Capsule 2-valved. 



Pentandria. Monogynia. 



N. rnstica Linn. : plant viscid- pubescent ; stem terete ; leaves peti- 

 oled, ovate, very entire ; tube of the corol cylindrical, longer than the 

 calyx ; segments round. 



HAS. Western part of New-York. Nvtt. &.Stem 1218 

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

 raceme. According to Mr. Nuttall it has been introduced by 

 the Indians. Tobacco. 



5. DATURA. Linn. 

 Calyx large, tubular, ventricose, 5-angled, deciduous ; the 



