CHENOPODIACEAE. 135 



New Jersey — Common near the coast. 

 New Castte-^Collins Beach, frequent. ' 



3. Atriplex roseaiL. M. p. 373., i Waate places and ballast. Autumn. 



Camdeni— Ballast. • 



4. Atoieusx , arenarja , N.utt. • M, .p., ,373. Sandy beaches along the, coast. 



Summer. 



5. SALIOO-EN1A L. GlaSswort, Samphire. 



Annuals; stem erect. 



Scales very short, acute or blunt ; spikes 2-3 mm. in diameter. • ■ 



, ! , , 1. S. herbacea. 



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



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



1 i ■ .'■ ■<, ■ ' '' ' : •> 3.' S. ambigua. 



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



2. Salicornia Bigelo.vii Tow. M. , p,,375. Seacoast. , Summer,. 



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



6. DONDIA Adans. 

 1. Dondia Americana (Pers.) Britton. Sea Blite. N. p. 376. Seacoast. 

 Late summer. 

 Philadelphia— Ballast (P.)i 

 New Jersey — Common on seacoast. 



7. SALSOLA L. 



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

 Calyx membranous, very strongly veined ;< plant an inland weed. •"; •/■ 



.,,,,, ,2. 5, Tragus. 



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



Philadelphia— Navy Yard, Porter (Ca.). . , ^ v j.- , ,. . j 



New Jersey— Common. 



New Castle— Collins ' Beach, Fort' Delaware. 



2. Salsola Tragus L. Russian Thistle. M. p. 377. Fields and waste 



places. Summer. 

 Bucks— Telford (Fr.). 



i "' ■■ ' > • - 



Family 2. AMARANTHACEAE J. St. Hil. Amaranth Family. 



€aly* 5-parted or of 5 sepals: L Amaratithus. 



Calyx of the pistillate flowers wanting. 2. Acnida 



1. AMABANTHUS 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. Mitoides. 



Plant bushy-branched ; sepals. 3., ! , ' . 5: A. graeoisans. 



