104 MANUAL OF POISONOUS PLANTS 



Eastern North America; swampy places. Seeds are poisonous, also herbage 

 -under some conditions. 



Veratrum californicum Durand. California hellebore. 



Rocky Mountains to Pacific Coast. 



Amianthium Muscaetoxicum (Walt.) Gray. Fly poison. Crow poison. 



Common along the Atlantic Coast and Long Island southward. 



Erythronium purpurascens S. Wat. Dog-tooth Violet. 



California. Contains saponin. Said to be poisonous. 



Leucocrinum montanum Nutt. Leucocrinum. 



Northwestern United States. Thought to be poisonous to sheep. 



Nothoscordum bivalve (L.) Britton. Crow poison. 



Southern United States. 



Aletris farinosa L. Colic root. 



Said to be poisonous. Sandy soil. E. N. Am. 



Medeola virginiana L. Indian cucumber root. 



From New Brunswick to Minn., and Florida. Said to be poisonous. 



Chamaelirium luteum (L.) Gray. Blazing Star. 



Said to be poisonous. Mass, to Ark. and Fla. low grounds. 



Chlorogalum pomeridianum Kunth. Soap plant. 



Pacific Coast. Contains saponin. 



Allium canadense L. Wild onion. 



Widely distributed ; common in low pastures, N. U. S. Milk is flavored 

 where cattle feed on the plant. The A. unifolium of California is poisonous. 



Allium tricoccum Ait. Wild Leek. 



Eastern and northern States. Taints milk like preceeding. 



Lilium superbum L. Turk's-cap lily. 



According to Schaffner, this species produces dermatitis. The bulbs pro- 

 duce mental exhaustion and headache. 



Asparagus officinalis L. Asparagus. 



According to Dr. White, in his Dermatitis Venenata, persons who con- 

 stantly work with asparagus may have the skin somewhat blistered. 



Convallaria majalis L. Lily-of-the-valley. 



All parts of this plant are very poisonous to man and domestic animals. 

 Contains two glucosides, convallamarin C 4t ,H 44 O 04 , and convallarin C.^H.jOjv 



Trillium grandiflorum, Salisb. Large flowered Trillium. 



This is used as an emetic and contains a principle which has been called 

 trillin, found in a few other species of the genus. 



Trillium erectum L. Erect Wake-robin. 



The root stock of this species is somewhat poisonous. 



Smilax rotundifolia L. Round-leaved Greenbrier. 



Widely distributed in the northern states. Dr. Schaffner reports a case of 

 poisoning from eating the young leaves of these plants. The spines are in- 

 jurious in a mechanical way; they cause inflammation and pus formation. 



Haemodoraceae. 



Lacnanthes tinctoria (Walt) Ell. Red root. 



Mass, to Florida. It is said that white hogs are subject to poisoning 

 from this plant. 



Amaryllidaccae. 

 Narcissus poeticus L. Narcissus. 



