The Flora of the Cayuga Lake Basin 289 



3. E. maculata L. Milk Purslane. 



In locations similar to those of the two preceding species; common. July-Oct. 

 N. E. to Ont. and Wyo., southw. to Fla., Tex., and Calif., including the Atlantic 

 Coastal Plain. 



[E. marginata Pursh. Snow-on-the-Mountain. 



Springs up occasionally on garbage dumps but is not established.l 



4. E. COROLLATA L. FLOWERING SPURGE. 



Dry sandy fields ; rare. Aug. 



Hillside e. of Newton Ponds, first observed in 1916; recently introduced, but 

 apparently well established. 



N. Y. to Minn., southw. to Fla., La., and Tex. Naturalized northeastw. 



5. E. Helioscopia L. Wartweed. 



A weed in rich gardens, fields, and waste places, in sandy or gravelly, probably 

 calcareous, soils ; local. July-Oct. 



Of recent introduction: Danby, 1916 {Rev. Mr. Tobv) ; n. of Etna; near Red 

 Mills, 1922 (W. C. Mnenscher) ; Wells College campus, 1915 (Miss Ida L. 

 Reveley) ; gardens, Levanna to Union Springs, abundant. 



Abundant, e. Que. to Ont.; local southw. to Pa., Ohio, and 111. Naturalized from 

 Eu. 



6. E. Peplus L. Petty Spurge. 



A weed in rich garden soils and dooryards, in gravelly calcareous regions. July- 

 Oct. 



Frequent in Ithaca, but not seen elsewhere : Giles St. ; corner of Lynn and Court 

 Sts.; Buffalo St. (£>.!); E. State St. (DA); Aurora St. (£>.); C. U. campus, 

 in several places; President White Place (D.) ; waste soil, Six Mile Creek. 



N. B. to Iowa, southw. to N. J. and Pa. Naturalized from Eu. 



7. E. lucida Waldst. & Kit. 



A weed in fields and by roadsides, in rich sandy or gravelly (clay?) soils; rare. 

 June-Aug. 



E. of Summit Marsh, 1925; n. of Danby village, 1923 (W . C. Muenscher) ; field 

 and roadside n. of Midway, 1919 (K. M. W ., A. J. E., & L. F. Randolph). 



Susquehanna Valley in N. Y. and Pa., and now in the Cayuga Lake Basin. 

 Adventive from Eu. 



8. E. Esula L. 



A weed in gravelly fields and roadsides ; rare. June-July. 



Groton, 1875 and again 1884 (D.) ; near Prof. Dietrich's, Cayuga Heights Road, 

 1915 (L. H. MacDaniets & A. J. £.). 

 S. Me. to Mich., southw. to N. J. and Pa. Naturalized from Eu. 



9. E. Cyparissias L. Cypress Spurge. 



A weed by roadsides and in cemeteries, in gravelly soils, apparently with little 

 reference to lime content; frequent. May-June. 



South Hill; upper Coy Glen; e. of Ellis Hollow; Ringwood; Galen; and else- 

 where. Found in most cemeteries. 



N. E. to Colo., southw. to Va. Naturalized from Eu. 



