2 30 Solanacece. [Solanunu 



XCI.— SOLANACE^. 



Herbs or shrubs, 1. alt. fbut often 2 at a node), without stip.^ 

 fl. regular, bisexual, in extra-axillary or terminal cymes or 

 solitary ; cal. free, usually persistent, often enlarged in fruit,, 

 segm. 5 (rarely more) ; cor. rotate or funnel-shaped, lobes 5, 

 plaited or valvate in bud ; stam. 5, inserted on cor.-tube, anth. 

 opening by pores or vertical slits ; ov. 2-celled, with very 

 numerous ovules on prominent placentas, style and stigma 

 simple ; fruit a 2-celled berry (capsule in Datura) ; seeds very 

 numerous, compressed, embryo curved round central endo- 

 sperm. 



Fruit a berry. 



Anth. opening by pores at apex . . .1. SOLANUM. 

 Anth. opening longitudinally. 



Fl. solitary 2. Physalis. 



Fl. in umbellate cymes . . . .3. Withania. 



Fruit a prickly capsule 4. Datura. 



Of our 10 species of Solan uvi^ 2, S. IcEve and S. gigajiteum, are 

 restricted to the hill zone, and 2 more, S. pubescens and .i". trilobatuni^ to 

 the dry region ; the other 6 and the 3 species of other genera are of more 

 general distribution. We have no endemic species. 



I. SOXiANUM, L. 



Herbaceous or shrubby perennials, rarely annuals, often 

 armed with prickles ; 1. alt. or two at a node, fl. in umbellate^ 

 racemose, or corymbose cymes which are usually extra- 

 axillary, at first appearing terminal ; cal.-segm. 5 (rarely 

 7-10) ; cor. rotate with a very short tube, lobes 5, plaited in 

 bud ; stam, 5, inserted in cor.-throat, fil. very short, anth. 

 large, connivcnt (but not connate) into an exsertcd cone^ 

 opening by two apical pores ; ov. 2-celled, style simple, long^ 

 often slightly curved, stigma small ; fruit a globose berry, 

 seeds very numerous, flattened, circular, embryo curved in a 

 circle round fleshy endosperm. — Sp. about 700 ; 27 in FL 

 B. Ind. 



Witliout prickles. 



Annual; cal. glabrous, berry black . . i. S. NIGRUM. 



Perennial usually shrubby ; berry red or yellow. 

 L. under 5 in., cal. glabrous or pubescent. 



Cal. glabrous, segm. toothlike or linear . 2. S. L/EVE. 



Cal. j)ubescent, segm. lanceolate . . 3. S. pubkscens. 



