Jan., 1904,] Poisonous and Other' Injurious Plants. 69 



POISONOUS AND OTHER INJURIOUS PLANTS OF 



OHIO. 



John H. SchaFFner. 



(Continued from p. 35.) 



130. Oxalis violacea L. Violet Wood-sorrel. A case is record- 



ed of a boy beiu",' thrown into violent convulsions from 

 eating a considerable quantity of the leaves. The leaves 

 and bulbs are very commonly eaten by children in large 

 quantities without apparent ill effects. 



131. lyinum usitatissimum 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 b}' the leaves is poisonous. Cows will not 

 eat grass near the young shoots. 



133. Polygala senega ly. Seneca Snakeroot. The roots are 



emetic. 



134. Ricinus communis Iv. Castoroil Plant. Seeds contain a 



deadh' poison. Poisonous to horses, sheep, etc. 



135. Euphorbia corollata I,. Flowering Spurge. Supposed to 



produce disagreeable honey. Posionous to the skin of 

 some persons. 



136. Euphorbia marginata Ph. Snow-on-the-mountain. Pro- 



duces disagreeable honey. 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 L. C^'press 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 E. Poison Iv}'. (R. toxicodendron E.) 



The leaves and stems are poisonous to the skin of most 

 persons. 



141. Celastrus scandens E. Climbing Bitter-sweet. Eeaves 



jDoisonous to horses. 



142. Aesculus glabra Willd. Ohio Buckeye. Eeaves and j-oung 



shoots and seeds poisonous to cattle. 



143. Aesculus octandra Marsh. Sweet Buckeye. Plant pro ■ 



ably ]3oisonous. Seeds poisonous. 



144. Aesculus hippocastanum E. Horse-chestnut. The seeds 



are poisonous. Sj'mptoms of poisoning have been pro- 

 duced by eating the green rind. 



