SOLANUM.] SOLANACE&. 123 



LXXVIII SOLANACEJE. 



Herbs, shrubs or rarely small trees. Leaves alternate, often in 

 unequal pairs, rarely clustered, never opposite, entire lobed or pin- 

 natisect, stipules none. Flowers regular or rarely 2-lipped, usually 

 hermaphrodite, very rarely dioecious, arranged in terminal or 

 lateral axillary or extra-axillary cymes, or on solitary or clustered 

 pedicels, bracts and bracteoles none. Calyx inferior, limb 

 usually 5-lobed or -toothed, persistent and often much enlarged in 

 fruit. Corolla funnel-shaped, campanulate or rotate, often plicate ; 

 lobes 5, rarely 10, or the limb subentire. Stamens on the corolla- 

 tube, 5, or fewer in zygomorphic flowers : anthers dehiscing by 

 apical pores or longitudinally. Ovary 2-celled, or imperfectly 1- or 

 4-celled, rarely 3-5-celled ; style linear, stigma capitate or shortly 

 lobed ; ovules usually many, on prominently peltate placentas. 

 Fruit a berry or a circumscissile or valved usually 2-celled capsule. 

 Seeds many, compreseed or subreniform, embryo (in the indige- 

 nous British Indian genera) curved Sprcies about 1,400, in tropical 

 and subtropical regions of the world, but chiefly in Central and 

 South America. 



Fruit a berry : 



Corolla rotate or campanulate, lobes plicate in 

 bud: 



Anthers connivent in a cone, dehiscing by apical 

 pores ; calyx small ...... 1. SOLANUM. 



Anthers not connivent, dehiscing longitudinally ; 



calyx much enlarged in fruit . . . 2. PHYSALIS. 

 Corolla urceolate, lobes valvate.in bud, calyx accre- 

 scent 3. WITHANIA. 



Corolla funnel-shaped, lobes imbricate in bud, calyx 



not enlarging in fruit 4. LTCIUM. 



Fruit a capsule 5. DATUBA. 



I. SOLANUM, Linn.; Fl. Brit. Ind. iv, 229. 



Herbs or shrubs, sometimes subscandent, rarely small trees, unarmed 

 or prickly. Leave* alternate, or subopposed in unequal pairs, 

 entire lobed or pinnatifid. Flowers in dichotomous racemose 

 lateral or terminal cymes. Calyx 5- or 10-lobed, rarely 4-lobed or 

 subentire ; accrescent or not in fruit. Corolla rotate, rarely cam- 

 panulate, tube short ; limb usually 5-lobed, plicate in bud. Stamens 

 5, rarely 4 or 6, attached to the corolla-throat, nlaments short, anthers 

 oblong, often narrowed upwards, connivent in a cone, opening by 

 terminal pores or short slits. Ovary 2-celle<2, rarely (iu cultivated 



