126 COMMON CANADIAN WILD PLANTS. 



7. E. Strigo'SUS, Muhl. (DAISY FLEABANE.) Eays white, 

 conspicuous, numerous. Pappus plainly double. Stem and 

 leaves roughish with minute appressed hairs, or nearly 

 smooth. Lower leaves spathulate and slender-petioled, 

 entire or nearly so, the upper lanceolate, scattered. Dry 

 fields and meadows. 



8. E. glabell'US, Nutt. Bays purple, very many, much 

 longer than the hoary-hispid involucre. Stem 6-15 inches 

 high, stout, smooth below, bearing 1-7 large heads on the 

 naked summit. Pappus double. Leaves smooth but ciliate, 

 the upper oblong-lanceolate and pointed, sessile or clasping ; 

 the lower petiolate, spathulate. N.W. 



Var. as'perus, has very rough leaves and stem. 



9. E. an'nilUS, Pers. (LARGER DAISY FLEABANE.) Rays 

 white, tinged with purple. Pappus double. Stem rough 

 with spreading hairs. Leaves coarsely toothed ; the lower 

 ovate, tapering into a margined petiole ; the upper ovate- 

 lanceolate. Heads corymbed. Fields and meadows. 



29. GRINDEXIA, Willd. 



G. Squarro'sa, Dunal. Leaves spathulate to linear- 

 oblong. Heads large, terminating the leafy branches. 

 Dry prairies, N.W. ; also at Ottawa. 



30. GTJTIERRE'ZIA, Lag. 



G. Eutha'mise, Torr. and Gr. Not more than 8 inches 

 high. Dry plains, N.W. 



31. HELE'NIUM, L. SNEEZE- WEED. 



H. autumna'le, L. (SNEEZE- WEED.) Stem nearly smooth. 

 Leaves lanceolate, toothed. Disk globular. Low river- and 

 lake-margins. 



32. CHRYSAN'THEMTJM, Tourn. Ox-EYE DAISY. 



1. C. Leuean'themum, L. (Leucanthemum vulgare, Lam.) 

 (Ox-EYE DAISY. WHITE- WEED.) Stem erect, naked above, 

 bearing a single large head. Leaves pinnatifid or cut- 

 toothed, the lowest spathulate, the others partly clasping. 

 Pastures and old fields. 



