ORDER 105. CHE^OPODIACE.E. 615 



2 A. hortensis L. GARDEN ORACHE. 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. 

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



Asia. 



7. OBPONE, Gacrt, Fls. monoecious or dioecious. <3 Bractless; 

 calyx 4 to 5-sepaled ; stamens 4 to 5, hypogynous ; $ bibracteate, 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. P Sandy seabeach, Mass, to Fla. (Apalachicola). St. 6 to 12' 

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

 Us. 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, $ calyx 

 :? 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 ; 

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

 seed vertical. rp Herbs with alternate, petiolate Ivs. and axillary 



fls. 



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

 P.-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 wide, often toothed at base, thick, soft, 

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

 Jn., Jl. j 



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, conduplicate. Seaside herbs, jointed, succu- 

 lent, glabrous and almost 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 1 obtuse tetth ; spikes elongated, tapering and rather obtuse at 

 the summit. Salt marshes, N. Eng. to Ga., also at SaHna, X. 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 upper joints, the 

 lateral sometimes sterile. Aug. 



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

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

 thick, obtuse. Salt marshes, X. 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. ambiguaMx. Perennial, procumbent, branching, tranches 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 



