296 Carduaceae 



Agter Hairy, often much branched 



Richardsonii from tne base, 3-12 inches high. 

 Sprang. Leaves oblong, spatulate to 



Richardson's broadly lanceolate, more or less 

 Aster. i ! 



sharply serrate, an inch or more 



long. Heads solitary, terminating the stem 

 or branches; involucre broadly campanulate, 

 J of an inch high, shorter than the disc the 

 bracts narrowly lanceolate, with mostly 

 acute and loose herbaceous tips; rays nearly 

 half an inch long, violet-purple. 



In gravelly ground and river bottoms 

 frequent in the region; flowering during 



July. 



Aster Rough, stout, and rigid, 2 feet 



conspicuus high Leaves firm> ovate> ob _ 

 Lindl. 



Lar e long, or the lower obovate, acute, 



Purple 4-6 inches long, 1^-4 inches 



Aster. broad, acutely serrate, reticu- 



late-veiny. Flowers numerous in a broad 

 head, involucre, broadly campanulate, equal- 

 ling the disc, half an inch high; bracts in 

 several series, minutely glandular, lanceolate, 



