Chenopodium 



Chenopodiaceae 



423 



50 



Map 864 

 Chenopodium Berlandieri Moq. 

 ssp. Zschackei (Murr) Zobel 



~T0 



Map 865 



Chenopodium Bushianum Aellen 



56 



Map 866 



Chenopodium album L. 



6. Chenopodium Bushianum Aellen (Rep. spec. nov. regn. veget. 26: 

 63. 1929.) (C. album and C. paganum in part, of American authors, not 

 L. or Reichenbach.) Map 865. 



Allegheny region, St. Lawrence River Basin, Great Lakes, and Mis- 

 souri River Basin from N. Dak. to Ark. 



Reports discarded as in previous species and C. album. 



6a. Chenopodium Bushianum f. acutidentatum Aellen. (Rep. spec. nov. 

 regn. veget. 26: 119. 1929.) Aellen cites but one specimen from Indiana, 

 Wells Co., which was collected in a truck garden. 



7. Chenopodium album L. Pigweed, Lamb's Quarters, Goosefoot. 

 Map 866. Most American plants identified as C. album actually belong to 

 C. Berlandieri ssp. Zschackei (Murr) Zobel. Some specifically American 

 races, however, are found in addition to the truly European races intro- 

 duced all over the world. The plants are found in sandy soils along road- 

 sides. 



8. Chenopodium pratericola Rydb. (C. leptophyllum Nutt. of most 

 authors.) Narrowleaf Goosefoot. Map 867. Widely distributed west of 

 the Mississippi River, eastward probably only introduced. Highly poly- 

 morphic. Found usually in sandy soil. 



9. Chenopodium Vulvaria L. Stinking Goosefoot. Introduced in 

 North America. 



Reported from Monroe and Noble Counties. 



10. Chenopodium gigantospermum Aellen. (Rep. spec. nov. regn. veget. 

 26: 144. 1929.) (C. hybridum of American authors, not L.) Mapleleaved 

 Goosefoot. Map 868. All specimens from America identified as C. hy- 

 bridum L. should be referred to this species. Its more or less smooth seed 

 with its relatively easily detachable perianth separates it clearly from the 

 European plant. It occurs in sandy fallow fields, and open or moist woods. 



