PLANTS OF MANHATTAN AND BLUE ISLAND S5 



Polygonum Convolvulus L. Black Bindweed. Wild Buckwheat. 



Field and roadsides. Common. May 20 (20). 

 Polygonum scandens L. Climbing False Buckwheat. 



Thickets. Common. Aug. 15. 



Chenopodiaceae. Goosefoot Family. 



( 'henopodiwm album L. Lambsquarters. 



Fields, roadsides etc. Common. May 30 (30). 

 Chenopodium pratericola Rydb. Field Goosefoot. 



Fields, roadsides etc. Common. This is C. Berlandicri of 

 Hitchcock's list. The description 1 of this new species, the type 

 of which is from Riley county seemed to clear up a troublesome 

 point; but judging from Standley's recent revision 2 of the group, 

 there may be still other species to report. 



Chenopodium leptophyllum (Moq.) Nutt. Narrow-leaved 

 Goosefoot. 



Dry soil. Frequent. 

 Chenopodium boscianum Moq. 



Woods and thickets. Common. July 25. 

 Chenopodium hybridum L. Maple-leaved Goosefoot. 



Edges of woods and waste ground. Common. July 20(21) 

 Chenopodium ambrosioides L. Mexican Tea. 



Manhattan. Occasional. Dry roadsides and waste ground. 

 July 20. 



Cycloloma atriplicifolium (Spreng.) Coult. Tumbleweed. 



Manhattan. Occasional in sandy soil. June 15. 

 Monolepis nuttalliana (R. & S.) Greene. 



Along the railroad tracks. Frequent. Apr. 5. 

 Kochia Scoparia (L.) Roth. Burning Bush. 



Sometimes escaped from gardens. 

 Salsola Tragus L. Russian Thistle. 

 Dry roadsides. Occasional. June 10. 



Amaranthaceae. Amaranth Family. 



Amaranthus retroflexus L. Rough Pigweed. 



Fields, roadsides, etc. Common. July 15. 

 Amaranthus hybridus L. Slender Pigweed. 



Fields, roadsides, etc. Common. Aug. 5. 



1 Bull. Torrey Bot. Club. vol. 39, p. 310, 1912. 



2 N. Am. Flora, vol. 21, part 1, pp. 1-93, 1916. 



