328 Flora of the Malayan Peninsula. 



1-celled by abortion, or 4-celled by subsequent development of accessory 

 dissepiments ; style linear ; stigma capitate or shortly lobed ; ovules 

 indefinite, on peltate intruded placentas. Fruit indehiscent, berry-like 

 or capsular and opening by valvular or circumscissile dehiscence; 

 usually 2-celled, rarely 4-celied, many-seeded. Seeds compressed, 

 disc-like or sub-reniform with embryo peripheric ; occasionally {Nico- 

 tiana) hardly compressed and v^ath embryo straight. — Distbib. Species 

 about 1,300, throughout tropical and sub-tropical countries. 



Fruits berry-like, 2-eelled, indehiscent ; seeds compressed and em- 

 bedded in pulp : — 



Anthers opening by 2 small pores at the tips ; fruits globular (in 



S. Melongena sometimes elongated) . . . . . . 1. Solanum. 



Anthers dehiscing throughout longitudinally : — 



Calyx in fruit small, fruits usually elongated , . • • 2. Capsicum. 



Calyx in fruit enlarging and enveloping the globose berry . . 3. Physalis. 



Fruits capsular : — • 



Capsules 4-celled and 4-valved, or sometimes hardly dehiscing ; 



seeds compressed ; flowers solitary . . . . . . 4. Datuka. 



Capsules 2-celled, dehiscing freely ; seeds hardly compressed ; flowers 



in panicles . . . . . . . . . . 5. Nicotiana. 



1. SoLANUM, Linn. 



Armed or unarmed herbs, shrubs, or small trees. Leaves alternate 

 or sub-opposed in unequal pairs, entire, lobed or pinnatifid. Cymes 

 dichotomous or racemose, lateral or terminal. Calyx usually 5-lobed, 

 rarely 10-lobed or sub-entire, sometimes enlarging in fruit. Corolla- 

 tube short, rotate or very shortly campanulate ; limb 5-lobed, plicate in 

 bud. Stamens 5, with short filaments, adnate to throat of corolla ; 

 anthers oblong, narrowed upwards so that the two cells form a cone 

 opening at the tip by terminal pores. Ovary 2-celled (in cultivated 

 forms sometimes 3-4-celled) ; style columnar, stigma small. Fruit 

 berry-like but with calyx at base, rarely overtopping it, globose or 

 (rarely) elongated. Seeds very numerous, disk-like ; embryo peripheric. 

 — Distbib. Species 750, mostly tropical American, but spread 

 throughout all tropical and sub-tropical regions. 



Unarmed herbs or shrubs : — 



Flowers in extra-axillary peduncled cymes or racemes : — 

 Leaves glabrous or sparingly pubescent ; cymes sub-um- 

 bellate ; calyx-teeth obtuse, 5 ; corolla and ovary glabrous ; 

 berry red or black, rarely yellow . . . . . . 1. <S'. nigrum. 



Leaves densely stellately woolly ; cymes corymbose ; calyx- 

 teeth triangular, 5 ; corolla and ovary hairy ; berry yellow 2. S. verbascifoliiim. 



Flowers axillary, pedicels fascicled or solitary ; corolla 



glabrous :— 



