COMPOSITE 167 



lanceolate-obovate, narrowed into a foot-stalk, coarsely serrate, 

 obtuse, duU green. Capitulum rather large. Resembles a large 

 daisy, but distinguished by the hairy pappus. The figure is of a 

 robust specimen. 



-Damp, shady places, and clearings of woods from the sub-alpine 

 region upwards to 6500 feet, especially on limestone. May to 

 autumn. 



Distribution. — Carpathians, Eastern, Central, and Western Alps, 

 Jura, Black Forest, Var. 



Erigeron L. 

 Capitula radiate. Disk yellow. Ray violet or mauve. Involucral 

 bracts in many rows. Receptacle flat, pitted. Ray-flowers in 

 several rows, ligulate. Disk-flowers bi-sexual. Pappus of many 

 rows of hairs, persistent. 



Erigeron acris L. 



An erect annual or biennial, 6-12 inches high, slightly branched, 

 and covered with short hairs. Leaves hnear or lanceolate, entire, 

 the radical ones stalked. Flower-heads rather small, solitary on the 

 upper branches, and forming a loose panicle. Florets numerous, 

 filiform, and short, the outer rows pale purple ; the tubular florets 

 very few, pale yeUow. 



Pastures, stony and waste places from the plains to the lower 

 mountains ; common. June to September. 



Distribution. — All Europe, Asia Minor, Siberia, N. America. 

 British. 



Erigeron canadensis L. 



This ubiquitous annual weed is frequently seen in sub-alpine 

 districts and even on the lower glacier moraines. A native of N. 

 America it has now established itself in almost all temperate and hot 

 countries. It is usually taller than the last and glabrous except for 

 a few spreading hairs. The leaves are narrow, entire, or slightly 

 toothed. Flower-heads extremely small, whitish green, very 

 numerous, and forming a long, leafy panicle. Florets minute, the 

 outer ones filiform and slightly tinged with red. 



Erigeron Villarsii Bell. {E. atticus Vill.). 



A robust Alpine species, 10-12 inches high, with erect, branched 

 stem, glandular-pubescent above. Leaves lanceolate, entire, 

 clasping the stem, the root-leaves oblong-lanceolate, all hairy. 

 Involucre glandular-hispid, the bracts often reddish. Flower- 

 heads large and handsome, solitary. Ray-florets rose or bright 

 purple ; central florets yellow and tubular. 



Moraines, grassy mountain sides, etc. ; local. July to September. 



Distribution, — Eastern, Central, and Western Alps, Transylvania, 



