Page:The Living Flora of West Virginia and The Fossil Flora of West Virginia.pdf/393

Rh WEST VIRGINIA GEOLOGICAL SURVEY N. albus (L.) Hook. (Prcnanthes L.) Open woods. Hardy: near Moorefield (Gamble). Pres ton: near Aurora (Mr. & Mrs. Steele). N. SERPENTARius (Pursh). Hook. Gall-of-the-Earth. (Prenanthes Pursh.) Sandy woods. Randolph : near Cheat Bridge, alt. 3,550 ft. Summers : near Hinton. Marion : near Catawba. Fayette : near Nuttallburg (Nuttall). AMBROSIACEAE. ( Compositae. ) AMBROSIA L. A. trifida L. Great Rag-weed. Moist places. Common or abundant throughout the State. Var. integriFOlia (Muhl.) T. & G. With the species, uncommon. Monongalia : near Morgantown. Wood : near Parkersburg. Fayette : near Nuttallburg (Nuttall). Berkeley: near Martinsburg. A. artemisiaeFOlia L. Rag-weed. Fields and roadsides. Abundant throughout the State. A. BIDENTatA Mkhx. Meadows. Hardy : near Moorefield (A. B. Brooks). This extends the distribution of this species eastward from Illinois. XANTHIUM L. X. commUNe Britton. Dry situations. Tucker : along the Blackwater River near Hendricks (Creenman 537). X. spiNOSUM L. Spiny Clotbur. Waste lands along rivers. Kanawha : at Stockton's. Mineral : near Piedmont. Jefferson : near Shepherdstown. Wood : near Parkersburg. Berkeley : near Martinsburg. Mineral: opposite Cumberland, Md. (Small). X. glabratUM (DC) Britton. Clotbur. Cockle-bur. (X. Strumarium of Flora.) Low waste grounds. Monongalia, Marion and Gilmer counties. Wood : near Parkersburg. Lewis : near Weston. Jefferson : near Shepherdstown. X. Canadense Mill. Low waste grounds. Common throughout the State.