Class XIX. Order II. 301 



GNAPHALIUM ULIGINOSUM. L. Cudweed. 



Stem herbaceous, branching, diffuse, woolly ; leaves 

 linear-lanceolate, narrowed at both ends, downy ; 

 flowers terminal, crowded. Willd. 



A small, branching, whitish plant. Stems spreading, subdi- 

 vided, covered with white, woolly down. Leaves alternate, 

 linear-lanceolate, less woolly than the stem. Flowers in dense, 

 terminal corymbs or heads. Scales of the calyx yellowish. 

 Road sides. August. Annual. 



318. CHRYSANTHEMUM. 

 CHRYSANTHEMUM LEUCANTHEMUM. L. White Weed. 



Leaves clasping, oblong, blunt, cut, pinnatifid at 

 base ; the radical ones on footstalks, obovate. Sin. 



This plant, which has come to us, no doubt, from Europe, is 

 exceedingly frequent and troublesome in pastures and mowing 

 land. Stems about two feet high, round, furrowed. Lower 

 leaves petioled, inversely ovate, serrate, and cut; upper ones 

 sessile, irregularly pinnatifid and toothed. Flowers terminal, 

 solitary, large, and flat. Calyx closely imbricated. Disc yel- 

 low ; ray white, consisting of many oval, oblong ligules, ending 

 in three teeth. June, July. Perennial. 



319. 1NULA. 

 INULA HELENIUM. L. Elecampane. 



Leaves clasping, ovate, wrinkled, downy under- 

 neath ; scales of the calyx ovate. 



A tall, rank, yellow flowering plant. Stem three or four feet 

 high, straight, branching at top. Leaves very large, ovate, 

 serrate, veiny and downy beneath, those of the root petioled, 

 those of the stem clasping. Flowers somewhat like those of 

 Helianthus. Florets of the ray numerous, yellow, linear, three 

 toothed at the end. Road sides, introduced from Europe. 

 July, August. Perennial. 



