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SOLANACE^ (Wright). 



VI. Datura. — Flowers large, solitary, white. 

 YII. Hicoiiana. — Flowers smaller, panicled or racemose, piak, green or 

 yellow. 



ff Leaves verticillate. 



VIII. Eetzia. — Only South African genus. 



I. SOLANUM, Linn. 



Calyx campatiulate or rotate, 5-10- (rarely 4-) toothed or lohed, 

 soTnetiines slightly enlarged in fruit. Corolla rotate, more rarely 

 campanulate ; limb plicate, or more or less deeply 5- (rarely 4- or 6-) 

 lobed. Stamens usually 5, inserted in the corolla-throat ; filaments 

 very short ; anthers oblong or lanceolate, conniving or cohering in a 

 cone, dehiscing by pores or longitudinal slits. Ovary 2- (rarely 

 3-4-celled) ; style simple; stigma usually small; ovules numerous. 

 Berry usually globose, sometimes oblong. Seeds compressed, 

 orbicular or Bubreniform ; testa often minutely pitted ; embryo much 

 curved near the margin ; cotyledons semiterete. 



Shrubs, herbs or small trees, sometimes climbing, unarmed or spiny ; leaves 

 alternate or geminate, entire, lobed or pinnatisect ; cymes extra-axillary, dicho- 

 tomous, racemose or umbellate, souietimes arranged in a terminal panicle ; 

 flowers yellow, white, violet or purple. 



DisTBiB. Species about 800, most abundant within the tropics, but extending 

 iuto the temperate zone. 



Solanum Lycopersieum, Linn. {Lycopersicum esculentum. Mill.), the Tomato, 

 is stated by Thunberg (Prod. 36, and PI. Cap. ed. Schult. 188) to occur in the 

 neighbourhood of towns, probably as an introduction. It has not been found by 

 any recent collector. 



In Natal the larger species of Solanum are called Um-Tuma. 



* Unarmed : 



Herbs ... 



Erect shrubs : 



Leaves oblong-lanceolate 

 Leaves ovate or oblong : 



Pedicels and calyx pilose ... 

 Pedicels and calyx glabrous 

 Climbing shrubs : 



Stem angular, pilose : 



Leaves ovate, acuminate ,,, 

 Iieaves obovate, obtuse 

 Stem subterete, glandular 

 Stem terete, pilose 

 ijtem terete, glabrous : 

 Leaves obtuse 



Leaves shortly acuminate ... 

 ** Spiny : 



Inflorescence apparently terminal : 

 ilature leaves glabrous above ... 

 Mature leaves densely tomentoae above 

 Inflorescence distinctly lateral : 



Ltaves deeply 1-2-pinnately lobed : 



Spines 2| lin. across the base, 

 usually much curved (13) aculeastrum. 



(1) nigrum. 



(2) pseadocapsicum. 



(3) dasypus. 



(4) aggregatum. 



(5) quadrangulare. 



(6) exasperatum. 



(7) Agger urn. 



. (8) crassifoliunj. 



(9) geniculatum. 

 (10) bifarcum. 



(11) giganteum. 



(12) auriculatum. 



