Flora of the Allegany Stair Park Region 99 



and humus of open forested areas, sometimes in 

 alluvial soil. 



POLYGALACFAF (Milkwort Family) 

 Polygala paucifolia W'illd. (figure 14). Fringed Poly- 

 gala, Flowering Wintergreen 

 In sandy or gravelly soil of dry woods and banks. 

 Infrequent. Slopes and summit of Elko mountain, 

 Bradford road near state line, and elsewhere chiefly 

 on the conglomerate soils of the higher ridges. 

 Polygala viridescens L., P. sanguinea L. Field or Purple 

 Milkwort 

 In moist, sandy or gravelly, usually sterile soil. 

 Rare. Butler's run. 

 Polygala verticillata L. Whorled Milkwort 



In sandy or gravelly soil usually in open sunny 

 situations. Infrequent. Opposite Red House, Cold 

 Spring. 



EUPHORBIACEAE (Spurge Family) 

 Acalypha virginica L. Three-seeded Mercury 



In dry soil of open woodlands, hanks and slopes. 

 Infrequent. Pine hill near Randolph. 

 Euphorbia nutans Lag., E. Preslii Guss. Spurge 



Common along the railroads in the Allegheny 

 valley. 

 Euphorbia hirsuta (Torr.) Wiegand. Hairy Spurge 

 E. vermiculata Raf. in N. Y. State Mus. Bui. 

 254:471. 1924. 

 With the preceding species common along most of 

 the railroads of the region, and rarely in roadside 

 ditches. 



