ORDER LXXXVIII. — S0LANACEJ5. 451 



1. P. visco'sA, (L.) Stem erect, dichotomous, the young branches 

 pubescent and viscid. Leaves alteruate and lanceolate, rupand, den- 

 tate, viscid, on long petioles. Floicem solitary, in the divisions of the 

 stem. Calyx pubescent. Corolla pubescent, with brownish spots at tho 

 base. — Yellow. 0. July — Oct. Cultivated lands. Coniinon. 1 — 2 

 feet. Ground Cherry. 



2. P. Penxsylvan'ica, (L.) Stem slightly angled, pubescent. Leaven 

 ovate, obtuse, slightly repaiul, touieiitose on the under surface. Flow- 

 ers on axillary, solitary j)eduncles. Fruit red, small. — Yellow. Q. 

 June — Aug. Common, 10 — 12 inches. 



3. P, TOMENTo'sA, (Walt.) /S^tfm branching, stellatc-tomentose. L^eaves 

 ovate, repand-toothed, tomentose beneath, whitish. Peduncles filiform, 

 longer than the petioles. Corolla spotted yellow. Stigma bifid. — Yel- 

 low and purple. If. Car. and Geo, 



4. P. lanceola'ta, (Mich.) Stem erect, densely pubescent, angled, 

 somewhat branched, Ljeaves alternate, oval-lanceolate, entire, tomen- 

 tose, on rather short petioles. Flowers solitary, nodding. Calyx trun- 

 cate, — Yellow, with purple spots. 2f . June — Aug. Dry soils. Com- 

 mon. 



5. P, visciDO-ruBEscENs, (Dun.) Stem erect, slender, viscid, hirsutc- 

 tomentose. Uppermost leaves in pair.*, ovate or ovate-oblong, sub- 

 acuminate, pubescent on both sides, viscid. Peduncles winged, filiform, 

 erect. Calyx hirsute, tomentose, 5-cleft ; lobes ovate, acuminate. Co- 

 rolla carapanulate, plicate. — Sandy soils, Geo. and Car. 



6. P. hirsu'ta, (Dun.) Stem erect, angular, striate, divaricately 

 branched, hirsute; branches pubescent. Leaves long-petiolate, oblique- 

 cordate, acute, repand, dontate or nearly entire. Calyx deeply 6-eleft ; 

 lobes oblong, acute. Peduncles winged, shorter than the petiole, 1- 

 flowered. — ^. Blue. Car. and Geo. 10 — 12 inches. 



P. angulata, Walt. P. pruinosa, L. 



Genus IV.— LY'CIUM. L, 4—1. 

 (From lycion, & name given to a thorny shrub.) 



Calyx 4-toothed, short. Corolla tubular. Stajiiens 4 ; fila- 

 ments bearded. F'ruit a 2-cellpd, many-seeded berry, red. 



1. L, Carolinia'num, (Walt.) A small shrub, with long, slender 

 branches, unarmed. Leaves clustered, cuneate, glabrous, narrow. 

 Flowers soUtary, axillarv. — White. ^ . Through the summer. Saline 

 marshes, 3 — 5 feet. 



Genus V.— DATU'RA. L. 5—1. 

 (Arabian name.) 



Calyx large, tubular, ventricose, S-anirled. Corolla funnel- 

 form, with a long tube ; the limb 5-anglcd, plaited. Sianicns 

 5. Stigma bilamellate. Capsule 2-celled ; cells 2-parted, ap- 

 parently 4-celled. 



1. D. stramo'nitim, (L.) Stem erect, branching, diehotomous. I^mves 

 alternate, angled, sinuate, unequal at the base, on long petioles. Flow- 

 ers sohtary, in the divisions of the stem. Calyx pube:^ceiit, witli acute 

 segments. Fruit spinous, — Whiti.sh-purple. ©, May — Sept. \ ery 

 common. Thorn-apple. Jamestown- weed 



