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Descriptive Flora 



side by a foliaceous appendage. Flowers composite, 1 inch or 

 more across, solitary on long naked rough stems. Disk brown. 

 Rays 13 to 19, yellow, about %" long. Bracts of involucre nar- 

 row, leaflike, hairy. Leaf-blades rough, ovate or deltoid-ovate, 

 sometimes hastately 3-lobed, irregularly toothed, 3-veined at base. 

 Seeds flat, obovate, smooth, partly inclosed in a folded chaff. 

 In dry soil. 



Zexmenia hispida (H. B. K.) A. Gray Zexmenia. 



Very rough, stiff, erect, branched plants, 1 to 2y 2 feet high, 

 with equally rough leaves and with orange-colored flowers about 

 1 inch across, tipping the long, naked branches. Leaves simple, 

 opposite. Blades rough, usually lanceolate, sessile. Flowers 

 composite, with 7 to 9 orange-colored rays, less than y 2 " long and 

 disk about three-eighths inch across. May to fall. Dry, stony 

 hillsides. Encelia calva has equally rough foliage but the flowers 

 are larger, with golden yellow rays and deeper yellow or brown 

 centers. 



Ximenesia encelioides Cav. Crownbeard. Skunk-daisy. 

 (Verbesina encelioides Benth. & Hook.) 



An early and late blossoming, disagreeable smelling, road- 

 side and waste ground plant, 1 to IV2 feet high, with ashy green 

 or blue green foliage and large, yellow, sun-flower like blossoms. 

 Leaves simple, opposite or alternate. Blades thickish, lanceolate 

 to ovate, coarsely toothed, heavily veined underneath, the 

 petioles having a toothed appendage on each side at base. 

 Flowers composite, yellow, iy 2 to 2" across, with about a dozen 

 large, yellow, 3-toothed rays, and a deeper yellow, sometimes 

 brownish disk about %" across. Bracts of the involucre greyish- 

 green, leaflike, in several rows. Seeds winged. March to No- 

 vember. Common roadside and houseyard weed. Named for 

 Ximenes, a Spanish physician. 



Verbesina virginica L. Frostweed. Tickweed. 



Wild Tobacco. Indian Tobacco. 



Tall, coarse, white-topped plants, leafy to the top, blossoming 



