CHENOPODIACEAE 299 



i. A. arenaria Nutt. On sandy sea-beaches: Mass. to Fla. 



Common along the coast of New York, Conn, and N. J., decreasing 

 up the rivers, unrecorded beyond the salt water influence. 



2. A. patula L. In waste places and ballast: N. S. and Ont. to 



S. N. Y. and N. J. Naturalized from Europe. Native also 

 of Asia. 



Common locally as a weed, perhaps not specifically distinct 

 from the following. 



3. A. hastata L. In salt meadows and in waste places mostly 



near the coast: N. B. to S. C. and in saline soil. Man. to 

 B. Col., Neb. and Utah. Also in Europe. 



Common throughout the range but more frequent along the coast 

 and up the river valleys than elsewhere. 



4. A. rosea L. In waste places and ballast : N. S. to N. N. Y. and 



N. J. Adventive from Europe. 



Rare as an occasional weed in our area. 



Atriplex hortensis L. and A. laciniata L. have both been collected near our larger 

 cities. They may both be established in some pare of our range. A. congesta Moq. 

 has been found near New York, but not recently. 



6. Salicornia [Tourn.] L. 



Annuals; stem erect. 



Scales very short, acute or blunt; spikes 2-3 mm. in diameter. 1. 5. europaea. 



Scales mucronate-tipped; spike 4-6 mm. in diameter. 2. 5. Bigclovii. 



Perennial by a woody rootstock; stems trailing or decumbent. 3. 5. ambigua. 



i. S. europaea L. (S. herbacea L.). In salt marshes: Anticosti to 

 Ga., about salt springs in Cent. N. Y. In saline soil from 

 Manitoba to B. C, Kan. and Utah. Also in Europe and 

 Asia. 

 Common throughout the tidal marshes of our range. 



2. S. Bigelovii Torr. In salt marshes: N. S. to Fla. and Tex. 



Common throughout the tidal marshes of our range, apparently 

 more frequent on L. I. than elsewhere. 



3. S. ambigua Michx. On sea beaches and on salt meadows: 



N. H. to Fla. and Tex. and on the Pacific Coast. 



Throughout the tidal marshes of our range, more common than 

 the preceding. 



7. Dondia Adans 



Not glaucous: sepals acutely keeled; seeds black. 1. D. linearis. 



Glaucous; sepals scarcely keeled: seeds dark red. 2. D. marilima. 



