378 AMAKANTACE^E. (AMARANTH FAMILY.) 



rounded at the apex by a circular wing. Stamens 1-2. Styles united below. 

 Utricle included in the calyx. Embryo coiled, or bent into a ring. Smooth 

 and succulent saline plants, with jointed leafless stems. Flowers three together ; 

 the lateral ones sometimes sterile, minute. 



1. S. herbacea, L. Annual ; stem erect, iriuch branched ; the joints 

 thickened upward, obtusely 2-toothed at the apex ; spikes long, tapering to the 

 summit. Salt marshes along the coast, Georgia, and northward. August. 

 Stem 6' -12' high. 



2. S. ambigua, Michx. Stem shrubby, prostrate or creeping ; the branches 

 herbaceous, erect ; joints truncate, dilated upward, slightly 2-toothed ; spikes 

 cylindrical, obtuse, the uppermost approximate, sessile, the lateral ones pcdun- 

 cled. Sandy marshes along the coast, Florida, and northward. Aug. Stem 

 2-3 long, the branches 4'- 6' high. 



5. CHENOPODINA, Moquin. 



Flowers perfect, bractecl. Calyx 5-parted, fleshy, inflated and berry-like in 

 fruit. Stamens 5. Stigmas 2-3, spreading. Utricle depressed, enclosed in 

 the calyx. Seed horizontal, lenticular. Embryo flat-spiral, dividing the scanty 

 albumen into 2 portions. Smooth saline plants, with fleshy terete alternate 

 leaves, and axillary clustered flowers. 



1. C. maritima, Moquin. Annual; stem diffusely much branched; leaves 

 linear, acute; calyx-lobes obtuse, keeled; stamens exserted. Low sandy places 

 along the coast, Florida, and northward. Sept. Stem l-3 high. Leaves 

 l'-2 ; long. Flowers minute. 



6. SALSOLA, L. SALTWORT. 



Flowers perfect, 2-bracted. Calyx 5-parted, the lobes at length transversely 

 winged. Stamens 5, slightly united at the base. Style slender : stigmas 2. 

 Utricle flattened at the apex, enclosed in the persistent calyx. Embryo conical- 

 spiral. Albumen none. Saline plants, with alternate and fleshy leaves, and 

 axillary flowers. 



1. S. Kali, L. Smooth ; stem spreading, ascending; leaves subulate, spine- 

 pointed, like the ovate bracts; flowers solitary; calyx-lobes connivent, with the 

 dilated, membranaceous wing rose-colored. (S. Caroliniana, Walt.) Sandy 

 shores, Georgia, and northward. Aug. Q) Stem 1 - H high. 



ORDER 109. AMARANTACE^. (AMARANTH FAMILY.) 



Chiefly herbs, with simple exstipulate leaves, and inconspicuous searious- 

 bracted flowers, which are commonly crowded in spikes or heads. Sepals 

 3-5, free, or united at the base, searious, imbricated in the bud. Stamens 

 3-5, hypogynous, opposite the sepals, free, or united below, often with 



