598 MANUAL OF POISONOUS PLANTS 



Distribution. Common along roadsides, walks, etc., from New England to 

 the Rocky Mountains and the Gulf States. 



Euphorbia marginata Pursh. Snow on the Mountain 



An erect, stout annual from 2-3 feet high ; stem hairy or somewhat smooth ; 

 leaves sessile, scattered, ovate or oblong, entire; deciduous stipules; uppermost 

 leaves opposite or whorled with conspicuous white petal-like margins; involucre 

 bell-shaped in umbels; glands of the 5-lobed involucre with broad and white 

 appendages; seeds ovoid, globose, terete, dark ash colored, reticulate. 



Distribution. Frequently cultivated in gardens from whence it has escaped. 

 Found in Ohio, Illinois and Indiana. Native from western Minnesota, Iowa to 

 Colorado, and Texas. 



Euphorbia corollata L. Milkweed or Flowering Spurge 



Perennial with a long, stout rootstock, glabrous or sparingly hairy; leaves 

 ovate, lanceolate, or linear, obtuse, short-petioled, or sessile; inflorescence in 

 umbel-like clusters; involucre long peduncled with white conspicuous ap- 

 pendages; seeds thick, ovoid, slightly pitted, ash-colored. 



Distribution. In rocky or sandy soil, Mass, to New York, New Jersey, 

 Florida, Wisconsin, Minnesota, and Texas. 



Fig. 334. Common Flowering 

 Spurge (Euphorbia corollata). A 

 plant with milky juice which has ir- 

 ritating properties, common in sandy 

 fields. It has white bracts re- 

 sembling flowers. (Charlotte M. 

 King.) 



