576 



CLVII. SOLANE^. 



Herbaceous or -woody plants with watery juioe. Leaves alternate, the upper 

 usually geminate, simple, exstipulate. Flowess 5 , often extra-axillary, with 

 ebracteate pedicels. Calyx monosepalous, with 5 (rarely 6-4) segments, persistent. 

 CoKOLLA hypogynous, monopetalous, more or less regular, rotate, campanulate, 

 infundibuliform or hypocrateriform ; limb with 5, rarely 4-6 segments ; SRstivation 

 folded, contorted, induplicate or valvate. Stamens inserted on the corolla-tube, 

 alternate with its segments ; anthers introrse, sometimes connivent, or even cohering 

 at the top ; cells opposite, parallel, dehiscence longitudinal or by an apical pore 

 {Nightshade). Carpels 2, one antero-posterior, cohering into a 2-celled ovary; 

 placentas thick, attached on the middle of the septum by a broad or linear surface, 

 sometimes bipartite, the lobes separated by a false septum, which subdivides each 

 cell, except at the top ; style terminal, simple ; stigma undivided or lobed ; ovules 

 very numerous, campylotropous. Feuit a septicidal {Tobacco), rarely loculicidal and 

 septifragal {Datura) capsule, or a pyxidium {Henbane), or a pulpy {Nightshade) or dry 

 {Pimento) berry. Seeds numerous, compressed, hilum ventral ; albumen fleshy, 

 copious. Embbto curved or annular ; cotyledons semi-cylindric ; radicle next the 

 hilum, or vague. 



Tribe I. NIG0TIANE2E. 

 Capsule 2-celled, septicidally 2-valved. 



' Fabiana. 



PEINCIPAL GENERA. 

 * Nierembergia. * Petuuia. 



■ Nicotiana. 



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