25° 



DAVENPORT ACADEMY OF SCIENCES. 



654. A. paniculatus, L. 

 Waste places ; frequent. 



655. A. retroflexus, L. Pigweed. 



Cultivated and waste grounds ; very common. 



656. A. chlorostachys, Will. 

 Frequent. 



657. A. a/bus, L. Tumble Weed. 



Waste and cultivated grounds ; common. 



658. A. blitoides,, Watson. 

 Waste places ; common. 



659. A. Torreyi, Benth. 



Railroad track from Fruitland to Fairport ; frequent. Intro- 

 duced from the Southwest. 

 Acnida, Mitch. Water Hemp. 



660. A. tuberculata, Moq. 

 River banks ; frequent. 



Froelichia, Moench. 



661. F. Floridana, Moquin. 



Dry sandy places ; abundant locally. 



CHENOPODIACE^. 



Cycloloma, Moquin. Winged Pigweed. 



662. C. J>/a/yfl/iy//uw, Moquin. 



Usually found with Froelichia. 

 Chenopodium, Tourn. 



663. C- Boscianum, Moquin. 

 Open woods ; frequent. 



664. C. album, L. Lamb's Quarters. Pigweed. 

 Fields and waste places ; very common. 



665. C. urbicum, L. 



Streets of Davenport and Muscatine. 



666. C. murale, L. 

 Streets of Muscatine. 



667. C hybriduin, L. Maple-leaved Goosefoot. 

 Moist rich soil ; frequent. 



668. C glauciim, L. 



Waste grounds of Davenport and Muscatine 



