Jan., 1904.] Poisonous and Other Injurious Plants. 71 



167. Apocyiium hypericifolium Ait. Clasping-leaved Dogbane. 



The above three plants are slightly poisonous. 



168. Nerium oleander L. Oleander. Cultivated. Every part 



of this plant is dangerously poisonous. lycaves deadly 



poisonous to stock. 

 Asclepias tuberosa ly Pleurisy-root. Leaves supposed to 



be poisonous to stock. 

 Ascelpias incarnata L. Swamp Milkweed. The root is 



emetic and cathartic. 

 Asclepias syriaca L. Common Milkweed. (A. cornuti 



Dec.) Poisonous. 

 Ipomaea pandurata L. Wild Potato Vine. Man-of-the- 



earth. Underground parts somewhat poisonous. 

 Convolvulus sepium L. Hedge Bindweed. Supposed to 



be poisonous to swine. 

 Cjaioglossum officinale L. Hound's Tongue. Considered 



poisonous. 

 Cynoglossum virginicum L. Wild Comfrey. Considered 



poisonous. 

 Borago officinalis L. Borage. The short bristles produce 



irritation. 

 Echium vulgare L. Viper's Bugloss. Causes considera- 

 ble itching if handled. 

 Glecoma hederacea L. Ground Iv}-. Suspected of being 



poisonous to horses. 

 Hedeorna pulegioides ( L. ) Pers. American Peneroyal. A 



case of poisoning by oil of Hedeoma has been recorded. 

 Physalodes physalodes (L. ) Britt. Apple of Peru. Used 



in Georgia for fl}^ poison. 

 Solanum nigrum L. Black Nightshade. The leaves and 



green berries are poisonous to calves, sheep, goats and 



swine. The green berries are also poisonous to man, 



but the writer has seen boys eating large quantities of 



the ripe berries without ill effects. 



182. Solanum carolinense L. Horsenettle. Narcotic. 



183. Solanum dulcamara E- Bittersweet. Berries poisonous ; 



also other parts. Leaves supposed poisonous to stock. 



184. Solanum tuberosum E. Potato. The green parts, fruit 



and green-colored tubers are poisonous ; also white 



sprouts from mature potatoes. The poison is dissolved 

 out b}' boiling. 



185. Nicotiana tabacum E. Tobacco. Cultivated. Narcotic 



and poi.sonous. Leaves poisonous to stock. 



186. Hyoscyamus niger E. Black Henbane. Narcotic. Pois- 



onous to stock, and is said to poison hogs. One of the 

 most poisonous plants in the United States. It is called 

 henbane on account of seed being poisonous to chickens 



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