348 SOLANACEuE. (NIGHTSHADE FAMILY.) 



seeded capsule or berry. Placentas adnate to the partition and projecting 

 into the cells. Seeds campylotropous or amphitropous. Embryo mostly 

 slender and curved in fleshy albumen. Chiefly narcotic poisons. 



Synopsis. 



1. Fruit a berry. 



* Corolla wheel-shaped or short bell-shaped. 

 i- Anthers connivent. Calyx unchanged in fruit. 



1. SOLANUM. Anthers opening by terminal pores. Berry juicy. 



2. CAPSICUM. Anthers opening lengthwise. Berry juiceless. 



4- -i- Anthers separate, opening lengthwise. Fruiting calyx inflated. 



3. PHYSALIS. Berry juicy. Calyx entire at the base. 



4. NICANDRA. Berry dry. Calyx 10-toothed at the base. 



* * Corolla funnel-shaped. 



5. LYCIUM. Anthers opening lengthwise. Berry juicy. Shrubs. 



$ 2. Fruit a capsule- 



6. DATURA. Calyx prismatic or terete, circumscissile. Capsule spiny. 



1. SOLANUM, L. NIGHTSHADE. 



Calyx 5-toothed or 5-cleft. Corolla wheel-shaped, 5-lobed, valvate, with the 

 margins turned inward. Stamens 5, inserted on the throat of the corolla, ex- 

 serted ; the filaments very short : anthers opening by 2 terminal pores, conni- 

 vent. Stigma obtuse. Berry juicy, 2-celled, many-seeded. Herbs or shrubs, 

 often armed with prickles. Leaves alternate or in pairs. Flowers opposite the 

 axils, or above them. 



* Unarmed : cymes or racemes corymbed : corolla 5-parted. 



1. S. nigrum, L. Herbaceous, mostly pubescent with simple hairs ; stem 

 erect, branching ; the branchlets wing-angled, and more or less toothed ; leaves 

 petioled, oblong-ovate, toothed or entire ; flowers somewhat umbelled, drooping, 

 small, white ; berry black. Damp soil, Florida to Mississippi, and northward. 

 July -Sept. Stem l-3 high, diffuse. Leaves 2'-4 f long, when in pairs, 

 unequal. Corolla 4" - 6" wide. Berry 2" - 3" in diameter. 



2. S. Kadula, Vahl. Shrubby, and very rough throughout with short 

 rigid rusty stellate hairs ; leaves oblong, entire, acute, tapering into a short peti- 

 ole; cymes slender, long-peduncled, once or twice forking, many-flowered, 

 longer than the leaves ; flowers small, linear in the bud ; corolla white, deeply 

 parted, the lobes linear-lanceolate, obtuse ; anthers hairy. South Florida. 

 Leaves 2' - 3' long. Cymes 3' - 4' long. Corolla 5" wide. 



3. S. verbascifolium, L. Shrubby, and hoary throughout with dense 

 soft stellate hairs ; leaves large, ovate-oblong, acute at each end, entire ; cymes 

 on long and very stout peduncles, forking, compactly many-flowered ; flowers 

 globose-obovate in the bud ; calyx-lobes ovate, acute ; corolla-lobes oblong, 

 obtuse , anthers oblong, twice as long as the slender filaments ; ovary woolly. 

 South Florida. Oct. - Dec. Shrub 4 -5 high. Leaves 6' -9' long. Co- 

 rolla ' wide. 



