SOLANACE^E. (NIGHTSHADE FAMILY.) 351 



5-lobed; fruiting calyx oblong-ovate, wing-angled, depressed at the base. 

 Low sandy places along the coast, West Florida. July- Sept. Stem 6' -12' 

 high. Leaves 2' -5' long, equal at the base, somewhat fleshy. Corolla some- 

 times 1' in diameter. Fruiting calyx 9"- 12" long. Anthers yellow. 



* * Annual: peduncles shorter than the petiole: corolla 4" - 6" in diameter, yellow, 

 spotted in the throat with green or brown. 



4. P. angulata, L. Smooth throughout ; stem sharply 4-angled, erect or 

 at length diffusely procumbent ; leaves oblong-ovate, acuminate, sharply toothed, 

 long-petioled, slightly unequal at the base, the lower ones often somewhat cor- 

 date ; calyx-lobes triangular-lanceolate, as long as the tube ; corolla pale-yellow, 

 5-toothed, spotted with green in the throat ; filaments smooth ; anthers purple ; 

 fruiting calyx globose-ovate, equally 10-angled, reticulated with purple veins, 

 depressed at the base. Fields and waste ground, Florida, and northward. 

 July- Oct. Stem 1 - 4 long. Leaves 2' - 3' long. Fruiting calyx 1' long. 



5. P. pubescens, L. Tomentose or villous with soft often viscid hairs, 

 rarely smoothish ; stem diffusely branched, 4-angled, with one side rounded ; 

 leaves long-petioled, mostly acute, obtusely toothed, wavy-margined, or entire, 

 ovate, and mostly slightly cordate and unequal at the base ; calyx-teeth, subulate, 

 twice as long as the tube ; corolla bright yellow, 5- or somewhat 10-toothed, 

 brown in the throat ; filaments hairy ; anthers purplish ; fruiting calyx oblong- 

 ovate, sharply 5-angled, truncate at the base. (P. hirsuta, Dunal P. pruinosa, 

 Ell. P obscura, Michx.) Fields and waste grounds, common. July - Oct. 

 Stems l-3 long. Leaves l'-2' long. 



4. NICANDRA, Adans. 



Calyx 5-parted, inflated, 10-toothed at the base. Corolla bell-shaped, plaited, 

 obscurely 5-lobed. Stamens 5: anthers separate, opening lengthwise. Berry 

 juiceless. A smooth erect branching annual, with ovate-oblong toothed or 

 lobed petioled leaves, and solitary axillary nodding purple flowers. 



1. N. physaloides, Gasrt. (Atropa physaloides, L.) Waste and cul- 

 tivated ground. Introduced. July -Sept. Stem l-3 high, with angled 

 branches. Leaves 2' - 5' long, decurrent on the petiole. Corolla white in the 

 throat. Fruiting calyx 5-angled, enclosing the globose berry. 



5. LYCIUM, L. 



Calyx 4-5-cleft. Corolla funnel-shaped, 5-10-cleft or toothed. Stamens 

 4 - 5 : anthers opening lengthwise, separate. Stigma capitate. Berry not en- 

 closed in the calyx. Erect or twining often spiny shrubs, with entire alternate 

 or clustered leaves, and axillary or terminal flowers. 



1. L. Carolinianum, Michx. Stem erect, spiny, much branched ; leaves 

 small, clustered, club-shaped, fleshy ; flowers solitary, axillary, purple ; calyx and 

 corolla 4-cleft ; stamens 4, exserted. Salt marshes, Florida to South Carolina. 

 July - Sept. Shrub 3 -5 high. Leaves l' long. Corolla small, hairy 

 within. Berry red. 



