22 6 DAVENPORT ACADEMY OF SCIENCES. 



321. L. pycnostachya, Michx. 

 Dry soil ; common. 



Grindelia, Willd. 



322. G. squarrosa, Dunal. 



Railroad tracks, Fruitland, 1894; Wilton, 1895. Evidently 

 of recent introduction. 

 Chrysopsis, Nutt. 



323. C. villosa, Nutt. Golden Aster. 

 Sandy soil near Wapsipinicon River. 



Solidago, L. Golden-rod. 



324. .S 1 . latifolia, L. 



Moist wooded hillsides; frequent. 



325. S. speciosa, Nutt. 



Dry soils, borders of woods and along railroads ; frequent. 



326. S. speciosa, Nutt., var. angustata, Torr. & Gray. 

 West Davenport; Muscatine. 



327. S. patula, Muhl. 



Boggy places along Cedar River ; infrequent. 



328. S. uhnifolia, Muhl. 



Hilly woodlands ; frequent. 



329. S. Missouriensis, Nutt. 



Dry prairies ; frequent. Our earliest goldenrod. 



330. .S. serotina, Ait. 



Open woods and dry banks ; frequent. 

 33 1 1 S. serotina, Ait., var. gigantea, Gray. 

 Not frequent. 



332. .S. Canadensis, L. 



Borders of woods and fence-rows ; common. 



333. *S. nemoralis, Ait. 



Dry sterile soil ; frequent. 



334. S. rigida, L. 



Prairies and dry banks ; frequent. 



335. S. Riddel Hi, Frank. 



Wet prairies, Cedar River region ; Rldridge. 



336. .S". lanccolata, L. 



Low grounds ; common. 



