20 Compostte—A ster. 
1. A. grandiflorus (fig. 122).—One of the most distinct 
species in its solitary flower-heads and small upper leaves. It 
grows about a vard high, and produces its large purple flowers 
in October. North America. 
satel 2. A. Améllus.—Erect, about 
e 2 feet high. Leaves oblong or 
lanceolate, entire, pilose. Flower- 
heads large, corymbose, violet- 
blue. Anative of Europe, flower- 
ing from August to September. 
3. A. alpinus.—A handsome 
dwarf plant about 9 inches high 
with spathulate crowded radical 
leavesand solitary flower-heads on 
erect scapes. Flowers lilac-blue, 
or more rarely white, appearing 
in May and onwards. Mountains 
of Europe. 
4. A. bicolor, syn. A. discolor. 
—About 18 inches or 2 feet 
high. Leaves lanceolate, toothed. 
Corymbs broad, many-headed. 
Flowers white or rose, passing 
into purple, produced towards the 
end of Summer. North America. 
\ 5. A. Nova-Anglie.—A tall 
Fig. 122. Aster grandiflorus, (j nat. size.) hairy species sometimes attaining 
6 or 7 feet in height. Leaves 
lanceolate, sessile, and stem-clasping. Corymbs large, dense. 
Flower-heads large and showy, purple or red. A native of 
North America, flowering in September and October. 
6. A. lévis.—A glabrous plant about 2 feet high. Jeaves 
oblong, shining. Flowers bright blue, in September. North 
America. 
A. cespitosus, A. horizontalis, A. formosissimus, A. élegans, 
A, sericeus, and A. pyreng@us are also showy species, but too 
near some of the foregoing to be desirable except in botanical 
collections. 
The Australasian genus Eurgbia furnishes some handsome 
evergreen shrubby species, which will succeed in the South- 
west of England with slight protection in very severe weather. 
