116 COMMON CANADIAN WILD PLANTS. 



high. Root-leaves simple, rounded, usually cordate, crenate- 

 ly-t!)othed, long-petioled. Stem leaves sessile, lanceolate, 

 deeply pinnatifid. Heads in a corymb nearly like an umbel. 

 — Swamps, often in gardens. 



Var. obova'tus, Torr.' and Gr., has root^ leaves round- 

 obovate with a cuneate or truncate base. 



Var. Balsam' itse, Torr. and Gr., has root-leaves oblong, 

 spathulate, or lanceolate, serrate. 



Var. laneeola'tUS, Oakes, has thin lance-oblong root- 

 leaves on long petioles. — Atl. Prov. 



4. S. integer'FimUS, Nutt. Eays conspicuous. Stem 

 woolly-pubescent when young, soon smoothish and green. 

 Leaves oblong-lanceolate or oblong, the upper bract-like. 

 Heads in a naked corymb, the scales green-tipped. — N."W. 



5. S. Canus, Hook. Low, persistently woolly. Leaves 

 small, spathulate to oblong. Eaysconspiouous.^N.W. 



6. S. Jaeobsea, L. (Common Eagwort.) Flowers golden 

 yellow, the heads forming a spreading corymb. Stem erect, 

 2-3 feet high, branching, glabrous or somewhat cottony. 

 Leaves numerous, lyrate, bipinnatifid, the lower with broad 

 segments, the upper with linear divisions, all glabrous.— 

 A troublesome weed in the Atl. Prov. Bare westward. 



ao. iN'uiiA, L. Elecampajje. 



i. Hele'liium, L. (Common Elecampane.) Stem stout, 

 2-5 feet high. Eoot-leaves very large, ovate, petioled. 

 Stem-leaves clasping. Eays numerous, narrow. — Roadsides. 



Zl. CHKYSOP'SIS, Nutt. Golden Aster. 



C. villo'sa, Nutt. Hirsute and villous-pubescent. Leaves 

 narrowly oblong, hoary, bristly-ciliate towards the base. 

 Stem branching, the branches terminating in the single 

 heads. — Dry plains, N.W. 



92. APLOPAPPUS.Cass. 

 1. A. SpinuIo'SUS, DC. Low, -perennial, branches very 

 minutely hoary -pubescent. Leaves narrow, pinnately or 

 tripinnately lobed, the lobes and teeth bristly, as are also 

 ths scales of the involucre. -^Dry plains, N. W. 



