ORDER 105. CHESTOPODIACE^E. 615 



2 A. hortensis L. GARDEN ORACIIE. Erect, branched; Ivs. alternate, triangu- 

 lar-hastate or oblong, subcordate acute, entire or with a few coarse teeth at base, 

 bright green both sides ; upper lanceolate or lance-linear, fruit-bracts ovate, entire. 

 3 Scarce in cultivation or spontaneous. A potherb used as spinage. Jl. 

 Asia. 



7. OBPONE, Gaert. Fls. monoecious or dioecious. $ Bractless; 

 calyx 4 to 5-sepaled ; stamens 4 to 5, hypogynous ; 5 bibracteatc, bracts . 

 more or less united, at length inflated, hardened and connivent ; calyx 

 none; styles 2; fruit compressed, included in the capsular bracts; seeds 

 vertical, beaked ; embryo annular. Herbs pale or whitish, scurfy or 

 mealy ; Ivs. alternate or opposite. Fls. densely glomerate, greenish. 

 (Atriplex, Tournef.) 



O. arenaria Moq. SAXD ORACHE. Mealy-canescent, ascending, branched, un- 

 armed; Ivs. sliort-petioled, alternate, oval or oblong, obtuse, entire, the upper 

 acuminate-mucronate ; fr. bracts subsessile, broad-cuueate, united, truncate, den- 

 ticulate at apex. pf) Sandy seabeach, Mass, to Fla (Apalachicola). St G to 12' 

 long or high, reddish. Lvs. 1' more or less long, attenuate at base. Staminate 

 fls. mostly in the terminal clusters, fertile in the axillary. Jl. Sept. 



8. SPINATIA, Tourn. SPINAGE. (Lat. spina, a spine or prickle ; 

 on account of the prickly fruit.) Flowers dioecious, bractlcss, $ calyx 



3 to 5-sepaled; stamens 4 or 5, cxserted ; $ calyx tubular, inflated, 2 

 to 4-toothed, hardening at length into a false capsule ; styles 4, slender; 

 achenium compressed, inclosed in the capsular, spiny, or unarmed calyx ; 

 seed vertical. -CD Herbs with alternate, petiolate Ivs. and axillary 

 green fls. 



S. oleracea Mill. Lvs. hastate-lanceolate or sagitato; fruit-calyx solitary, 

 3-angled, armed with 2 to 4 slender prickles, or unarmed. J) Gardens. St. 1 to 

 2f high. Lvs. 2 to 3' long, nearly half as wiJe, often toothed at base, thick, soft, 

 glabrous, bright green. Fr. near 2" long, sessile, our variety usually unarmed, 

 in., Jl. $ 



9. SALICOR'NIA, Tourn. SALTWORT. SAMPHIRE. (Lnt. sal, salt, 

 cornu, horn ; in allusion both to its locality and appearance.) Flowers 

 immersed in the excavations of the jointed stem 2 or 3 together; calyx 

 bladder-like, denticulate at apex, at length spongy, membranous-mar- 

 gined, inclosing the compressed utricle; stamens 1,2; styles 2; seed 

 vertical ; embryo annular, conduplicate. Seaside herbs, jointed, succu- 

 lent, glabrous and almost leafless, with opposite branches. Fls. minute, 

 sessile, spicate. 



1 S. herbacea L. Annual, erect or assurgznt, the joints somewhat thickened at tho 

 summit, ending in 2 obtuse teeth ; spikes elongated, tapering and rather obtuse at 

 the summit. Salt marshes, N. Eng. to Ga., also at Salina, N. Y. St. dividing 

 into simple branches, 8 to 12' high, obscurely 4-sided, with very short internodes. 

 Lvs. 0. Fls. minute, placed in little hollows at the base of the upp^r joints, tho 

 lateral sometimes sterile. Aug. 



2 S. mucronata Lag. ? DWARF SALTWORT. Annual, erect ; the joints somewhat 

 4-angled below, with 2 ovate, acute, mucronate teeth at the summit ; spikes very 

 thick, obtuse. Salt marshes, N. Eng. to L. Isl. St. 4 to 3' high, thick, little- 

 branched. Spikes oblong-cylindric, 1' or moro long, near a fourth of an inch 

 thick, at length reddened. Sept. 



3 S. ambiguaMx. Perennial, procumbent, branching, branches ascending, flexuous; 

 joints truncate, flattened, enlarged above, with 2 depressed, obtuse teeth. Sandy 

 sea-beaches, R. I. to Fla. Sts. woody at base, prostrate from long, creeping root. 

 stocks. Aug., Sept. 



