CHENOPODIACEAE. 135 



^ew Jersey — Common near the coast. 

 New Castle— Collins Beach, frequent. 



3. Atriplex rosea L. M. p. 373. Waste places and ballast. Autumn. 



Comdew— Ballast. 



4. Atriplex akenaria Nutt. M. p. 373. Sandy beaches along the coast. 



Summer. 



•5. SALICOENIA L. Glasswort, Samphire. 



Annuals; stem erect. 



Scales very short, acute or blunt; spikes 2-3 mm. in dianiotcr. 



1. S. herbacea. 

 Scales mucronate-tipped; spikes 4-6 mm. in diameter. 2. S. Bigelovii. 



Perennial by a woody root-stock; stems trailing or decumbent. 



3. S. ambigua. 



1. Salicornia herbacea L. M. p. 375. Seacoast. Summer. 



2. Salicornia Bigelovii Torr. M. p. 375. Seacoast. Summer. 



3. Salicornia ambigua Michx. M. p. 375. Seacoast. Late summer. 



6. DONDIA Adans. 

 1. DONDiA Americana (Pers.) Britton. Sea Elite. M. p. 376. Seacoast. 

 Late summer. 

 Philadelphia— Ballast (P.). 

 Neiv Jersey — Common on seacoast. 



7. SALSOLA L. 



Calyx coriaceous, not conspicuously veined; plant marine. 1. S. Kail. 

 Calyx membranous, very strongly veined; plant an inland weed. 



2. S. Tragus. 



1. Salsola Kali L. Saltwort. M. p. 377. Sandy sea-shores. Summer. 



Philadelphia — Navy Yard, Porter (Ca.). 



New Jersey — Common. 



New Castle — Collins' Beach, Fort Delaware. 



2. Salsola Tragus L. Bussian Thistle. M. p. 377. Field.^ and waste 



places. Summer. 

 Bucks— Teliord (Fr.). 



Family 2. AMASANTHACEAE J. St. Hil. Amaranth Family. 



Calyx 5-parted or of 5 sepals. 1. Amaranthus. 



Calyx of the pistillate flowers wanting. 2. Acnida 



1. AMARANTHUS L. Amaranth, Pigweed. 



Utricle circumscissile, the top falling away as a lid. 



Flowers, at least the upper, in dense terminal spikes. 

 Axils not spine-bearing. 



Spikes stout, 8-14 mm. thick. 1. A. retroflexus. 



Spikes slender, 4-6 mm. thick, 2. A. hybridus. 



A pair of stout spines in each axil. 3. A. spinosus. 

 Flowers in small axillary clusters, mostly shorter than the leaves. 



Plant prostrate; sepals 4 or 5. 4:. A. blitoides. 



Plant bushy-branched; sepals 3. 5. A. graecisans. 



