Order 105.— CHENOPODIACE.E. 615 



2 A. hortdnsis L. Gardes Orache. Erect, branched; Its. alternate, triangu- 

 lar-hastato 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. 

 — T) Scarce in cultivation or spontaneous. A potherb used as spinage. Jl. § 

 Asia. 



7. 0BF0NE, Gaert. Fls. monoecious or dioecious. $ Braetless ; 

 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; lvs. alternate or opposite. Fls. densely glomerate, greenish. 

 (Atriplex, Tournef.) 



O. arenaria Moq. Sand Orache. Mealy-canescent, ascending, branched, un- 

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

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

 ticulate at apex. — :J) Sandy seabeacli, Mass. to Fla. (Apalachicola). St. 6 to 12' 

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

 fls. mostly in the terminal clusters, fertile in the axdlary. Jl. — Sept. 



8. SPINAXIA, Tourn. Spinage. (Lat. spina, a spine or prickle ; 

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



3 to 5-sepaled; stamens 4 or 5, exserted ; $ 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. — (J) Herbs with alternate, petiolate lvs. 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. Ft. near 2" long, sessile, our variety usually unarmed, 

 Jn., Jl. % 



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 almost leafless, with opposite branches. Fls. minute, 

 sessile, spicate. 



1 S. herbacea L. Annual, erect orassurgent, 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 tho uppor joints, the 

 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 8' high, thick, little- 

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

 thick, at length reddened. Sept. 



3 S. ambigua Mx. 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- 

 Btoeka Aug., Sept, 



