POISONS ACTING ON THE BRAIN. 5 



ATROPA BELLADONNA {British). 



BELLADONNA — BANE WORT— BLACK CHERRY — DEADLY NIGHT- 

 SHADE — DWALE — DWAY BERRIES — GREAT MOREL — 

 NAUGHTY MAN'S CHERRY. 



Solanacea. — Stem herbaceous. — Leaves ovate. — ■ Flowers 

 solitary. —Waste ground ; 3ft. ; perenn. ; June ; dull purple. 

 Berries black. 



Toxic principle.— KT'ROVmY,. 



SOLANUM TUBEROSUM {Cultivated in Britain). 



COMMON POTATO. 



SolanacecE. — A tuber. — Stem herbaceous. — Leaflets ovate. — 

 Flowers in racemes. — if. ; Ann. ; June- August ; bright purple ; 

 stamens yellow. — Fruit green. 



Toxic principle.— BOLHHmE. 



SOLANUM CRISPUM {Cultivated in Britain). 



POTATO TREE. 



Solanacece. — Stem woody. — A wall climber. — Leaves ovate. — 

 Flowers in clusters. — Perenn. ; June - Aug. ; 6ft. ; light purple ; 

 stamens yellow. 



Toxic principle. — SOLANINE ; also contained in S. baha- 

 mense, S. carolinense. (Allied to this alkaloid is " Scopolamine," 

 contained in Scopala atrapoides, S. japonica). 



DRYOBALANOPS CAMPHORA. 



DRYOBALANOPS AROMATICA {Sumatra, 

 and Borneo). 



CAMPHOR TREE. 



DipterocarpacecB. — A gigantic tree ; evergreen ; looft. — 

 Flowers yellowish red, in axillary panicles. — Leaves alt., obtuse- 

 ly acuminate, involute, stipules convolute, elliptic, entire, 

 coriaceous, shining, deciduous, oblong, terminating the branches 

 with a point, veins running irom midrib to margin. — Flowers in 

 racemes ; calyx permanent, tubular, afterwards forming elong- 

 ated wings over fruit ; ovary superior, three-celled. — Fruit a 

 drupe. 



Toxic principle.— BOtiriIiOL=yol. OIL OF CAMPHOR ; also 

 contained in Rosmarindus officinalis. 



