576 PROCEEDINGS OF THE ACADEMY OF [Oct., 



Delaware. — Middletown Barrens. 



Chester. — Sugartown Barrens ; Unionville. 



200. Sericocarpus asteroides (L.) B. 8. P. 



Frequent in dry woodland. 



Delaware . — Waw a . 



Chester. — Sugartown Barrens; West Chester; Unionville. 



— Nottingham Barrens. 



201. Aster uxdulatus L. 



Frequent in dry woodland or thicket. 



Delaware. — Fawkes Run; Preston Run; Middletown Barrens; 

 Williamson ; Lenni. 



202. Aster patens Ait. 



Local on dry open barren or banks. 

 Delaware. — Mineral Hill; Lenni. 



f203. Aster l.eyis L. 



Common or local on dry open barren, edges of woodland and thicket. 



Delaicare. — Fawkes Run; Preston Run; Bear Hill; Middletown 

 Barrens; Williamson; Wawa. 



Chester. — Sugartown Barrens (E. B. Bartram); West Chester; 

 Brinton's Quarry ; Unionville. 



204. Aster dtjmosus L. 



Local, on dry barren. 

 Chester. — Sugartown Barrens. 



205. Aster ericoides L. 



Common on dry open barren. 



Delaware. — Fawkes Run; Preston Run; Mineral Hill; Williamson; 

 Lenni; Wawa. 



Chester. — Sugartown Barrens (E. B. Bartram); Sconnelltown ; 

 Brinton's Quarry; Unionville. 



*206. Aster parviceps pusillus (Gray) Fernald. 



Frequent on dry open barren or rock exposures. 



Delaware. — Middletown Barrens; Williamson. 



Chester. — Serpentine Ridge; Cedar Barrens; West Chester; Brin- 

 ton's Quarry; Unionville. 



— Nottingham Barrens. 



