104 A Classification of Poisons [OH. 
2. DELTRIANTS. Symptoms : Spectral illusions ; delirium ; dilated pupils ; 
thirst and dryness of the mouth ; incoordination. Occasionally, though 
rarely, there are paralysis and tetanoid spasms. 
British Plants included : Datura Stramonium, Hyoscyamus niger, 
Solanum Dulcamara, Solanum nigrum, Atropa Belladonna, Loliura 
temulentum. 
3. INEBRIANTS. Symptoms: Excitement of cerebral functions and of the 
circulation; loss of power of coordination and of muscular movements, 
with double vision; leading to profound sleep and deep coma. 
British Plants included : Pinus pinaster, Pinus larix, Artemisia 
maritima, Artemisia Absinthium. 
B. Poisons acting on the Spinal Cord. 
CONVULSIVES. Symptoms : Clonic (intermittent) spasms, extending from 
above downwards. Opisthotonos very violent; but trismus (lock-jaw) 
rare. Swallowing spasmodic. Death, usually, in less than three hours, 
or rapid recovery. 
British Plants included : none. 
C. Poisons acting on the Heart. 
1. DEPRESSANTS. Symptoms: Vertigo; vomiting; abdominal pain; con- 
fused vision; convulsions; occasional delirium; paralysis; syncope; 
sometimes asphyxia. 
British Plants included : Conium maculatum, Cytisus Scoparius. 
2. ASTHENICS. Symptoms: Numbness, and tingling in the mouth; ab- 
, dominal pain; vertigo; vomiting; purging; tremor; occasional de- 
lirium; paralysis; dyspnoea, ending in syncope. 
British Plants included : Prunus laurocerasus, (Phaseolus lunatus 
imported cattle food), Lathyrus aphaca, Rumex Acetosa, Aconitum 
Napellus, Actaea spicata, Delphinium consolida, Digitalis purpurea, 
Convallaria majalis, Colchicum autumnale. 
D. Vegetable Irritants. 
1. PURGATIVES. Symptoms: Abdominal pain; vomiting and purging; 
cramps; strangury and tenesmus, followed by collapse, and sometimes 
accompanied by drowsiness, and slight nervous symptoms. 
British Plants included : Sambucus nigra, Sambucus Ebulus, Helle- 
borus viridis, Helleborus f oatidus, Caltha palustris, Linum catharticum. 
2. ABORTIVES. Symptoms : Nausea ; vomiting ; stupor ; polyuria ; some- 
times tenesmus. Abortion may or may not occur ; coma. 
British Plants included : Juniperus Sabina (cultiv. in Britain), Clavi- 
ceps purpurea; Ruta graveolens (cultiv. in Britain). 
3. IRRITANTS WITH NERVOUS SYMPTOMS. Symptoms : Abdominal pain ; 
vomiting and purging; dilated pupils; headache; tetanic spasms; 
occasional convulsions ; sometimes rapid coma. 
British Plants included : Oenanthe crocata, Oenanthe Phellandrium, 
Oenanthe fluviatilis, Cicuta virosa, Aethusa Cynapium, Sium angusti- 
folium, Taxus baccata, Cytisus Laburnum, Paris quadrifolia, Mercurialis 
perennis. 
