Descriptive Flora 



221 



with a crown of fine short hairs. Widespread. In poor or rich 

 soil, cultivated fields or waste places. February to fall. 



Aphanostephus mmosissimus DC. White Daisy. 



Similar to Aplwnostephus Tiumilis but growing in drier and 

 rockier places, usually well drained rocky hillsides and crevices 

 of flat limestone ledges. Plants are usually taller, branched at 

 base but not so much above, flower stalks are much longer and 

 rougher. Kay flowers more numerous and purplish. Basal 

 leaves larger above and tapering into the base, incised or pinnati- 

 fied. Upper stem leaves narrow, mostly entire, sessile. Spring 

 and summer. Widespread. 



Chaetopappa aster aides (Nutt.) DC. Dwarf White Aster. 



A very much branched little aster, 4 to 12" high, with very 

 small leaves, and minutely leaved or leafless, thread like 

 branches, each expanding into a small, white, aster-like flower 

 about 14" across. Leaves simple, alternate. Blades *4 to %" long, 

 spatulate to linear, entire-margined. Disk small, yellow. Ray 

 flowers 5 to 12, small, white, less than long. Widespread. 

 Equally common in sandy soil, dry pastures, and dry, rocky 

 limestone hilltops. March to May. 



Keerlia bellidifolia Gray & Engelm. Dwarf Blue Aster. 



Slender stemmed, much branched annuals 6 to 12 inches 

 high, with small, blue, aster-like flowers, % to % inch across, 

 terminating thread-like peduncles. Leaves simple, alternate. 

 Blades broadest above the middle or narrow, entire, less than 1" 

 long. Flowers composite, blue with yellow centers, bearing 5 to 

 15 blue ray-flowers, and several minute yellow disk corollas. 

 March and April. In rich soil of rocky hillsides and limestone 

 ledges. Not as common as Chaetopappa. Distinguished from 

 Chaetopappa by the blue ray flowers. 



Aster exiguus (Fernald) Rydb. White Aster. 



Late summer and fall-flowering plants of the white lime- 

 stone hills. The several wand-like woody stems are different 



