56 
466. S. riddellii, Frank. Riddell's Golden rod. 
Prairies; common. September. 
s' 467. S. laneeolata, L. 
Low banks of streams and lakes, moist fields, etc. ; frequent or com- 
mon. August 15th — September. (B.) 
468. S. tenuifolia, Ph. 
Sandy soil, chiefly in the eastern portion of our district; frequent or 
common. August — September. 
BOLTONIA, L’Her. 
469. B. asteroides, L’Her. 
Includes B. glastifolia , L’Her. 
Moist places, chiefly southward; infrequent. September. 
Lake shore, near 33rd St., Babcock. 
The awned form is seemingly the most common, and occasionally 
specimens are found with simply an indication of awns. 
ASTER, L. Aster. 
470. A. macpophyllus, L. Large-leaved Aster. 
Moist woods and fields; frequent north. August — September. 
471. A. oblongdfolius, Nutt. 
Banks qf the Desplaines river, near Maywood; rare. September, 
1886. (B.) 
472. A, novse-angfliae, L. New England Aster. 
Moist prairies, banks and hedge-rows; frequent or common. 
September. 
A single white-flowered specimen was found in 1888 at Wilmette by 
Miss Belle Ailing. 
Rays white, Englewood, Hill. 
473. A. novae-angdiae, L., var. roseus, D C. 
With the type; very rare. 
Riverside, September, 1888. (B. P.) 
4-. 474. A., sericeus, Vent. Silky Aster. 
Dry soil, banks of lakes and streams, open woods, etc. ; frequent or 
common. July 25th — September. A - • • 
A beautiful plant, and easily cultivated. 
In very dry seasons the leaves are sometimes nearly smooth on the 
upper surfaces. 
475. A. patens, Ait. 
Dry fields and banks; frequent, or common locally. August — 
September, occasionally as late as October. 
Flowers violet to dark blue-purple. 
