Shafer : Vascular Flora of Allegheny Countv. 97 



EUPHORBIACE^ J. St. Hilaire. 



SPURGE FAMILY. IV-57. 



EUPHORBIA Linn^us. 

 * E. maculata Linnffius. Spotted spurge. 



E. nutans Lagasca. Large spotted spurge. 

 E. Preslii Gussone. 



* E. corollata Linnaeus. Flowering spurge. 



* E. Peplus Linnaeus. Petty spurge. 



Harrison Township, near Upper Schoolhouse No. i, August, 

 1895— 1900. 



* E. commutata Engelmann. Tinted spurge. 



South Fayette Township, near Marshalsea, May 11, igoo. 



* E. Cyparissias Linnseus. Cypress spurge. 



Frequently escaped from old graveyards. 



ACALYPHA Linnreus. 



* A. Virginica Linn^us. Three-seeded Mercury. 



ULMACE^ Mirbel. 



ELM FAMILY. IV-8. 



ULMUS Linnaeus. 



* U. fulva Michaux. Slippery, or red elm. 



* U. Americana Linnaeus. American, or white elm. 



* U. racemosa Thomas. Cork, or rock elm. 



Allegheny, Highwood Cemetery ; apparently native. 

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