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MISSOURI BOTANICAL GARDEN BULLETIN 109 
carolinense), belladonna (Atropa Belladonna), wild yam- 
root (Dioscorea villosa), ipecac (Euphorbia ipecacuanhe), 
scopola (Scopolia carniolica). 
Class 2. Anesthetics and Anodynes—Agents which tem- 
porarily destroy sensation. Belladonna (Atropa_ Bella- 
donna), spearmint (Mentha spicata), peppermint (Mentha 
hei a thyme (Thymus vulgaris), hemp (Cannabis 
sativa). 
Class 3. Hypnotics and Narco-hypnotics—The former are 
agents which produce sleep without rendering the subject 
-unconscious to pain, whereas the latter, in larger doses, sus- 
pend, in addition, the consciousness of pain. Stramonium, 
or white-flowered jimson weed (Datura Stramonium), purple 
thorn-apple or purple-flowered jimson weed (Datura Tatula), 
hop (Humulus Lupulus). 
Class 4. Deliriants—Agents which disorder the mental 
faculties to a greater or less degree. They are all narcotics, 
though all narcotics are not deliriants. Water pepper 
(Polygonum Hydropiper), purple and white-flowered Jim- 
son weed (Datura Tatula and D. Stramonium), hemp (Can- 
nabis sativa). : 
Class 5. Motor Excitants—Agents which increase the 
functional activity of the spinal cord and the motor appar- 
atus, producing disturbances of motility and heightened 
reflex excitability. In large doses their ultimate effect is 
motor paralysis from overstimulation. Lily of the valley 
(Convallaria majalis), milfoil or yarrow (Achillea Mille- 
folium), oat (Avena sativa). 
Class 6. Motor cy airs npc i which lower the 
functional activity of the spinal cord and other parts of the 
motor apparatus and, in large doses, paralyze them. Poison 
hemlock (Conium maculatum), tobacco (Nicotiana Ta- 
bacum), Indian tobacco (Lobelia inflata). 
Class 7. Antiperiodics—Agents which affect certain peri- 
odic febrile diseases, lessenin aig bt of the periods or 
preventing their return. Golden seal (Hydrastis canaden- 
sis), quinine or cinchona tree (Cinchona officinalis), jimson 
weed (Datura Stramonium), sweet flag (Acorus Calamus). 
Class 8. Antipyretics—Agents which reduce the body 
temperature when pe aainge 2 =e. Jimson weed (Datura 
Stramonium), eucalyptus (Eucalyptus globulus), pepper- 
mint (Mentha piperita). 
