CHENOPODIACEAE 295 



N. J. Passaic and Sussex counties. 



Pa. Near Easton and from Delaware Co. 



8. Pleuropterys Turcz. 



i. P. Zuccarinii Small. {Polygonum cnspidatum Sieb. & Zucc, 



not Willd.) Escaped from cultivation in the Eastern States. 



Native of Japan. 



Often common as a rather local escape. 



Polygonum sachalinense Schmidt, referable to this genus, is reported from Tolland. 

 Conn. Native of eastern Asia. 



9. Polygonella Michx. 



1. P. articulata (L.) Meisn. In sands of the seashore and in 

 sandy soil near the coast: Me. and N. H. to Fla. and on the 

 shores of the Great Lakes. 



Conn. Common along the coast, decreasing inland. 

 N. Y. Common on L. I. and S. I.; known also from a single 



station in Ulster Co. in an edaphically favorable habitat.* 

 N. J. Common along the coast and in the pine barrens, rare or 



wanting north of Middlesex and Mercer counties. 



Tertiary, common: Cretaceous, less common; Older Formations 

 decreasing inland. 148-224 days. Sea level-1,800 ft. 

 Entex spirwsa Camb. has be^-n collected near New York as a waif. 



CHENOPODIACEAE 



Embryo annular or conduplicate, not spirally coiled; endosperm 

 copious (except in Salicomia). 

 Leaty herbs; endosperm copious. 



Flowers perfect or some of them pistillate; calyx herba- 

 ceous or fleshy. 

 Plants glabrous or scurfy. 



Calyx herbaceous or but slightly fleshy in fruit; 



flowers in panicled spikes. 1. Chenopodium. 



Fruiting calyx dry, strongly reticulated; leaves 



pinnatifid. 2. Roubieva. 



Calyx very fleshy and bright red in fruit; flowers 



densely capitate. 3. Blitum. 



Plant pubescent. 4. Bassia. 



Flowers monoecious or dioecious; calyx of pistillate flowers 



none; fruit enclosed by 2 bractlets. 5. Atriplex. 



Leafless fleshy herbs with opposite branches; endosperm none. 6. Salicornia. 

 Embryo spirally coiled; endosperm little or none. 



Fruiting calyx wingless; leaves fleshy, not spiny. 7. Dondia. 



* See Introduction paragraph 50. 



