57 
476 A. patens, Ait., var. phlogifolius, Nees. 
Found on the shaded banks of the Desplaines river, near Maywood; 
rare. Flowers purple. (B. P.) 
477. A. azureus, Lindl. Azure Aster. 
Prairies, dry banks and copses; frequent, though rare in open woods 
north of Bavenswood. August — September. 
Stem nearly or quite smooth ; rays fading to pink or purplish-pink ; 
Pine Station, Ind # , in woods, Hill. 
+478. A. undulatus, L. Wavy Aster. 
Dry open woods and copses; frequent. September. 
' 
479. A. cordifolius, L. Heart-leaved Aster. 
Dry open woods and fields; common or abundant in the western 
portion of Cook County. September — October. 
480. A. sagittifolius, Willd. Arrow-leaved Aster. 
Dry places; not common. September — October. 
Evanston. Wilmette. Hyde Park and southward. Banks of the 
Desplaines river. 
~f 481. A. drummondii, Lindl. Drummond’s Aster. 
Banks of the Desplaines river at Riverside, Hill! (B.) 
* 
482. A. turbinellus, Lindl. 
Evanston. Woodlawn, near the Driving Park; rare, 1886. (B.) 
488. A. laevis, L. Smooth Aster. 
Common. Type specimens are rare, and found at Graceland, Oak 
Park, Hawthorn, and Kensington; Evanston, Johnson! 
Prairies of the western part of Cook County; rare, 8. P . Copeland. 
Banks of the Desplaines river; common, Babcock! 
The species is very variable, highly ornamental and easily cultivated. 
484. A. polyphyllus, Willd. 
Swamps and low places ; infrequent. September. (B. P.) 
485. A. ericoides, L. Heath-like Aster. 
August 25th — September. 
Formerly quite common from 50th St. south, in lake shore woods; 
now infrequent. Frequent in dry fields in the southwestern part 
of the county; infrequent north and west. (B.) 
486. A. ericoides, L., var. villosus, T. & G. 
Bavenswood; rare, 1884-85 Stony Island; rare. Thorn Creek, 
Thornton, Hill. (B.) 
