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LoGANiACE.'E. — Shrubs, or trees, with opposite, entire, exsti- 

 pulate leaves ; calyx inferior, four or five-parted ; corolla four, 

 five, or ten-cleft, convolute or valvate ; stamens varying in 

 number ; fruit a two-celled capsule, with loose placentas, or a 

 berry, or succulent, with one or two nucules ; seeds usually 

 peltate, albuminous ; containing — Strychnos JVux Vomica. 



Gentiai^ace^. — Herbs ; leaves opposite, entire, often ribbed, 

 no stipules ; calyx permanent and inferior ; corolla hypogynous, 

 with twisted or plaited aestivation ; stamens inserted on corolla ; 

 ovary one-celled, of two carpels, placed right and left of axis ; 

 styles two, at times united ; capsule many-seeded, the margins 

 of the valves inverted ; embryo in the axis of fleshy albumen ; 

 containing — Gentiana Lutea, and Ophelia Chirata. 



CoNVOLvuLACE^. — Lactcsceut herbs and shrubs, usually 

 twining ; leaves alternate, exstipulate ; flowers regular ; calyx 

 persistent, imbricate ; corolla monopetalous, plaited ; stamens 

 five, alternate with corolline lobes ; ovary free, two to four- 

 celled ; ovules one or two in each cell ; capsules septifragal ; 

 seeds large, with mucilaginous albumen ; embryo curved ; 

 containing — Convolvulus Sca^mnonia, and Exogonium Purga. 



SoLANACEJE. — Horbs or shrubs; leaves alternate, sometimes 

 collateral ; flowers often from the axils, no bracts ; calyx joer- 

 sistent, inferior ; corolla usually regular, five-cleft, valvate ; 

 stamens five on the corolla ; anthers opening by slits or pores ; 

 ovary two-celled ; stigma simple ; fruit capsular or baccate, 

 with two or four cells ; seeds many ; embryo usually curved, 

 albumen fleshy ; containing — Capsicum Fastigiatum, and Solanum 

 Dulcamara. 



Atropace^. — Distinguished from Solanacese by having an 

 imbricate corolla ; stamens flve, one sometimes sterile, with 

 anthers dehiscing longitudinally. Properties, narcotico-acrid ; 

 containing — HyoBcyamus Niger, Atropa Belladonna, Datura Stra- 

 monium, and Nicotiana Talacum. 



SoEOPHTjLAiiiACE^. — Hcrbs Or shrubs; leaves opposite or 

 alternate, exstipulate ; calyx tubular, four or five cleft, per- 



