ORDER 105. CHENOPODIACE^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. 

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

 Asia. 



7. OBrONE, Gaert. Fls. monoecious or direcious. $ Bractless; 

 calyx 4 to 5-sepaled ; stamens 4 to 5, hypogynous ; $ 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. SAND ORACHE. Mealy-canescent, ascending, branched, un- 

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

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

 ticulate at apex. (T) Sandy seabeach, Mass, to Fla (Apalachicola). St. 6 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. SPINA^CIA, Tourn. SPINAGE. (Lat. spina, a spine or prickle ; 

 on account of the prickly fruit.) Flowers dioecious, bractless, <3 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.- (I) Herbs with alternate, petiolate Ivs. and axillary 

 green fls. 



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

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

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

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

 Ju, Jl. f 



9. SALICOR'NIA, Tourn. SALTWORT. SAMPHIRE. (Lat. 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, conduplicatc. Seaside herbs, jointed, succu- 

 lent, glabrous and r.!:noc.t leafless, with opposite branches. Fls. minute, 

 sessile, spicate. 



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

 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. Els. minute, placed in little hollows at the base of the upper joints, tho 

 lateral sometimes sterile. Aug. 



2 S. xmicronata 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 more 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 



