ORDER 100. CHENOPODIACE^. 287 



7. ATRIPLEX, Gsert. $ Bractless. Calyx 3-5-sepalled. Sta. 35. 

 $ Ovaiy 2-styled, with no stam., enclosed between 2 leaf-like bracts, with 

 or without a calyx. Herbs or shrubs, often mealy or scurfy, with oppositt 

 or alternate hastate leaves and glomerate-spiked green flowers. 



Leaves partly opposite. Bracts triangular-ovate NOB. 1, ) 



Leaves all alternate. a; Bracts rhombic, canescent, toothed No. fi 



a; Bracts round-ovate or -cuneate Nos. 4, 5 



1 A. liastata L. Slender, weak, green ; leaves petiolate, hastate, remotely -toothed ; 



flowers single in the slender spikes, bracts triangular-ovate, denticulate. N. Eng. to 



S. Car., coastvvard. 1 3f. /3. fnrsMana is scurfy. 

 S A. littoralis L. Erect with many strict branches; leaves short-stalked, lanceolate 



to linear, eubentire ; flowers glomerate, forming interrupted spikes ; bracts hispid, 



triangular-hastate, denticulate. Lake shores, N-W. 



3 A. rosea L. Canescent, ascending, branched ; Ivs. ovate to oblong, sinuate-toothed ; 



glomerules axillary, bracts rhombic, toothed. Albany, N.Y. (Prof. Porter). 2f. Eur. 



4 A. HOKTENSIS. Garden Orache. Erect, branched ; Ivs. triangular-hastate or -oblong, 



subentire. bright green ; bracts roundish, entire. Asia. 



5 A. arc ii aria N. Sand Orache. Mealy-canescent, branched ; leaves oval to oblong, 



entire, short-petioled ; bracts broad-cuneate, united, denticulate. @ Sea-beaches, 

 Mass, to Fla. (Obione, C-B.) 6 12', July Sept. 



9. SPINACIA, Tourn. SPINAGE. Dioecious, bractless. $ Cal. 3-5- 

 sepalled. Sta. 4 or 5, exserted. ? Calyx tubular, 2- or 4-toothed, soon 

 hardening and enclosing the compressed acheniuin. Styles 4. @ Leaves 

 petiolate. Flowers green, axillary. June, July. 



S. OLERACEA. Leaves hastate-lanceolate to arrow-shaped ; fruit-calyx solitary, 3-angled' 

 armed with 2 or 4 slender prickles, or unarmed. (T) Gardens. 1 2f. 



10. CORISPERMUM, Juss. Calyx 1-2-sepalled or 0. Stam. 15. 

 Styles 2, short. Pericarp oval, flat and thin, aclnate to the seed, vertical. 

 (T) With narrow, sessile leaves, and sessile, solitary, axillary flowers. 



C. liyssopifolium L. Hairy or glabrous, much branched; flowers in many bracted 

 spikes, bracts ovate, subulate-pointed ; leaves V and less ; fruit a pellucid disk. 

 Sandy lake-shores, Buffalo, and W. 



11. SALICORNIA, Tourn. SALTWORT. SAMPHIRE. Flowers 2 or 3 

 together, sunk in the cavities of the jointed stem. Calyx bladder-like, 

 denticulate, enclosing the compressed vertical fruit. Stamens 1 or 2. 

 Styles 2. Embryo folded. Seaside, jointed, fleshy herbs almost leafless, 

 with opposite branches. 



1 S. herbacea L. Suberect; spikes elongated, green ; joints truncate and bractless ; 



middle flower largest. (T) Salt marshes. 812'. August. 



2 S. VIrginica L. Erect ; spikes short, soon red ; joints short, tipped with 2 acute 



bracts : flowers all alike, it Salt marshes. (59'. Sept. (S. mucronata C-B.) 



3 S. fruticosa L. Prostrate, with ascending branches ; spikes slender, joints tipped 



with 2 obtuse bracts. 11 Sandy beaches. (S. ambigna C-B.) 



12. CHENOPODINA, Moq. GLASSWORT. Calyx bracteolate, cup- 

 Bhaped, 5-parted, fleshy in fruit with the seed horizontal. Sta. 5. Stigma 

 sessile. Embryo a flat spiral. Smooth seaside fleshy plants, with alter- 

 nate sessile leaves and axillary flowers. (Suaeda, Forsk.) 



