lie COMMON CANADIAN WILD PLANTS. 



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

 ly-tnotJudj •long-}jetioled. Stem leaves sessile, lanceolate, 

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

 — Swamps, often in gardens. 



Var. ObOVa'tUS, Torr. and Gr., lias rcot-leaves round- 

 obovate with a euneate or truncate base. 



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

 spathulate, or lanceolate, serrate. 



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

 leaves on long petioles. — Atl. Prov. 



4. S. integeF'rimuS, Nutt. Kays conspicuous. Stem 

 woolly-pubescent when young, soon smoolhish 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. Bays conspicuous. — N.W. 



6. S. Jacobsea, L. (Common Eagwokt.) Flowers golden 

 yellow, the heads forming a spreading corymjb. 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. Prdv. Eare westward. 



80. IN'tJIiA, L. Elecampane. 

 1. Hele'nium, L. (Common Elecampane.) Stem stout, 

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

 Stera-^aves clasping. Eays numerous, narrow. — Eoadsides. 



81. CHKYSOP'SIS, Nutt. Golden Astee; 

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

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

 Stem branching, the branches terminating in the single 

 heads. — Dry plains, N.W. 



83. APLOPAPPUS, Cass. 



,1. A. spinulO'SUS, DC. Low, perennial, branches very 



minutely hoary-pubescent. Leaves narrow, pinnately or 



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



the scales of the involucre. — Dry plains, N. W,, 



