418 



Chenopodiaceae 



Polygonella 



Jan. 



Feb 



Mar. 



Apr 



May 



June 



July 



Aug 



Sept 



Oct 



Nov 



Dec 



5 55 



Map 858 



Fagopyrum esculentum Moench 



~T5 

 Map 859 



Polygonella articulata (LI Meisn. 



shall County. I doubt if this species is distinct from the next but I am 

 following authors in keeping them distinct. 



Temperate Eurasia and N. A. 



23. Polygonum scandens L. (Tiniaria scandens (L.) Small.) Climb- 

 ing False Buckwheat. Map 857. Frequent in most parts of the state in 

 moist soil along roadsides and streams, in wooded ravines, and about 

 lakes and ponds. 



N. S. to Ont. and B. C, southw. to Fla. and Tex. 



2202. FAGOPtRUM [Tourn.] Gaertn. 



1. Fagopyrum esculentum Moench. {Fagopyrum Fagopyrum (L.) 

 Karst. of Britton and Brown, Illus. Flora, ed. 2.) Buckwheat. Map 858. 

 Buckwheat has been reported from 15 counties. It persists in fields where 

 it has been cultivated or escapes to fields, roadsides, and railroads. I do not 

 know how long it will maintain itself. 



Nat. of Eu. 



2203. POLYGONELLA Michx. 



1. Polygonella articulata (L.) Meisn. Map 859. Local on the dunes 

 about Lake Michigan. It is usually found in open, exposed places. 

 In sands of the coast from Maine to Fla. and about the Great Lakes. 



78. CHENOPODIACEAE Dumort. Goosefoot Family* 



[Iljin, M. Chenopodiaceae, pp. 2-354, in Komarov, V. L. Flora URSS 6 

 (Centrospermae) : xxxvi -J- 956p. 1936. Standley, P. C. Chenopodiales, 



* Text contributed by Theodor Just, University of Notre Dame, Notre Dame, Indi- 

 ana. The author is greatly indebted to Mr. Paul Aellen, Basel, Switzerland; to Dr. Paul 

 C. Standley, Field Museum, Chicago, 111. ; and to Mr. C A. Weatherby, Gray Herbarium, 

 Cambridge, Mass., for reading his manuscript and for offering valuable criticisms. 



