20 POISONOUS PLANTS. 



NICOTIANA TABACUM {Cultivated m Britain). 



VIRGINIAN TOBACCO PLANT. 



Solanacecs. — A coarse, hardy, glaucous plant, 6ft. — Root 

 tapering, long. — Leaves alt. ; lower ones sometimes 2ft. long ; 

 shortly stalked ; ovate; entire. — Flowers in terminal panicles; 

 dull pink. — Capsule formed by persistent calyx. — Seeds numer- 

 ous ; pale brown. — Ann. — Aug.-Nov. 



Toxic principle. — NICOTINE,' also contained in N. repanda 

 N. Fustica. 



CONIUM MACULATUM {British). 



HEMLOCK.— HERB BENNET. 



UmbellijercB. — Stem polished, spotted with purple. — Leaves 

 dark, glossy green ; tripinnate.--Fruit with waved ridges. — 

 Hedge-banks. — 4ft. — Bienn. — June and July ; white. 



Toxic pri?tciple.—CO^m^. 



LOBELIA INFLATA {North America, and 

 cultivated in Britain). 



INDIAN TOBACCO. — ASTHMA Vi^EED. — EMETIC WEED. 



LobeliacecB. — Stem erect; glaucous; i-2ft. — Leaves alter- 

 nate ; sessile ; lower ones stalked. — Flowers stalked in upright 

 racemes, and branched below. — P^uit inflated ; nearly globular; 

 crowned by remains of corolla. — Seeds minute ; numerous ; 

 orange ; with raised network. — Ann. or bienn. ; pink. 



Toxic principle. — LOBELINE, also contained in L. UFens. 



CYTISUS SCOPARIUS {British). 



BROOM. 



Leguminosa. — A shrub with angular branches, and small, 

 ternate leaves.- -Woods and heaths. — Very common. — 3-ioft. — 

 May and June. — Bright yellow. 



Toxic /rz«a)5/«.— SPARTEINE. 



