Jan., 1904 .] Poisonous and Other Injurious Plants. 
6 ^ 
POISONOUS AND OTHER INJURIOUS PLANTS OF 
OHIO. 
JOHX H. Schaffner. 
(Continued from p. 35.) 
130. Oxalis violacea L. Violet Wood-sorrel. A case is record- 
ed of a boj’ bein_e^ thrown into violent convulsions from 
eating a considerable quantitj- of the leaves. The leaves 
and bulbs are very commonh- eaten b}- children in large 
quantities without apparent ill effects. 
131. Linum usitatis.simum L. Flax. Causes death to cattle, 
probabh' due to the prussic acid evolved from the plant 
when wilting. 
132. Ailanthus glandulosa Desf. Tree-of-heaven. Has a disa- 
greeable and somewhat poisonous emanation. Water 
contaminated by the leaves is poisonous. Cows will not 
eat grass near the }'oung shoots. 
133. Poly gala senega L. Seneca Snakeroot. The roots are 
emetic. 
134. Ricinus communis L. Ca.storoil Plant. Seeds contain a 
dead!}' poi.son. Poisonous to horses, sheep, etc. 
135. Euphorbia corollata L. Flowering Spurge. Supposed to 
produce disagreeable houe}-. Posionous to the skin of 
some persons. 
136. Euphorbia marginata Ph. Snow-on-the-mouutain. Pro- 
duces disagreeable hone}'. Poisonous to the skin of 
some persons. Used for branding cattle. 
137. Euphorbia lathyrus L. Caper Spurge. The seeds are 
poisonous when eaten. The milky juice is emetic and 
produces eruptions on the skin. 
138. Euphorbia cyparissias E. Cypress Spurge. Poisonous to 
the skin. 
139. Rhus vernix L. Poison Sumac. Swamp Sumac. (R. 
venenata DC.) The poison is in all parts of the plant. 
Poisonous to the skin of most persons. 
140. Rhus radicans L. Poison Ivy. (R. toxicodendron L. ) 
The leaves and stems are poisonous to the skin of most 
persons. 
141. Celastrus scandens L. Climbing Bitter-sweet. Leaves 
poisonous to horses. 
142. Aesculus glabra Willd. Ohio Buckeye. Leaves and young 
shoots and .seeds poisonous to cattle. 
143. Aesculus octandra Marsh. Sweet Buckeye. Plant pro 
ably poisonous. Seeds poisonous. 
144. Aesculus hippocastanum L. Horse-chestnut. The seeds 
are poisonous. Symptoms of poisoning have been pro- 
duced by eating the green rind. 
