SPURGE FAMILY. Euphorbiaceae. 



White Mar= -^ verv handsome species cultivated for 

 gined Spurge, its ornamental white-margined leaves sur- 

 er Snow on rounding the rather insignificant flowers. 

 the Mountain An annua i w i tn bright green foliage, the 

 Euphorbia , . , 



marginata leaves ovate-pointed, toothless and stalk- 

 White less. Stem stout 2-3 feet high. In dry 

 May- soil, Ohio and Minn, west to Col. Also an 

 September escape from gardens in the east. 



An annual species naturalized from 

 Eur ope, with a smooth, erect, stout stem, 



Helioscopia often branched from the base. Leaves 



Greenish obovate and finely toothed. The insignifi- 



andtan cant flowers terminating the branchlets, 



of an indeterminate color, generally green 

 September 



and tan. 8-12 inches high. Common in 



waste places from N. Y. to Ohio, and along the Great 

 Lakes. 



A perennial spreading by horizontal 



rootstocks, and an escape from gardens 

 Euphorbia * roa dsides and waste places in the east- 

 Cyparissias ern States. Leaves bright light green, 

 Greenish linear and almost filiform. The stems 



and tan thickly clustered and very leafy, ter- 



September minated by a large flower-cluster flat 



dome-shaped. The insignificant flowers 

 indeterminate in color, but generally greenish dull yel- 

 low, or tan, or russet red ; they are rather ornamental, 

 with crescent-shaped glands. The plant is milky juiced, 

 like all the Euphorbias , and it has become naturalized 

 from Europe. It is poisonous if eaten in any quantity. 

 Fertilized by bees and butterflies. 5-12 inches high. 

 Common everywhere in the east. Found in Campton, 

 N. H., near an old graveyard. 



Euphorbia ^ n ^ world species with a tall, stocky, 



ludda smooth stem, and long lance-shaped leaves, 



July-Septem= the floral ones heart-shaped and with a 



bristlelike tip. The seed pods finely wrink. 

 led. Along roadsides and in fields of the Susquehanna 

 Valley, N. Y. and Pa. Similar to E. Cyparissias in 

 general appearance with the exception of the broader 

 leaves. 8-18 inches high. 



