ATRIPLEX. CVI. CHENOPODIACE^E. 467 



2. S, AMBIGUA. Michx. Dubious or Prostrate Samphire. 



Perennial, procumbent, branching ; joints small, crescent-shaped ; spikes 

 opposite and alternate ; cal. truncate ; anth. purplish-yellow ; stig. 2. A small 

 species, found in the vicinity of New Bedford, Ms. Dewey. 



2. SALS OLA. 



Latin salsus, salt. 



Calyx 5-parted. persistent, embracing the fruit with its base, and 

 crowning it with its enlarged limb ; styles 2 ; seed horizontal ; 

 embryo spiral. Salt-marsh herbs, with linear or subulate leaves. 



1. S. KALI. 



Herbaceous, decumbent; Ivs. subulate, channeled, spinose, smooth; cal. 

 margined, axillary. A rigid, prickly and very branching plant, of the sea- 

 coast, N. Eng. ! to Ga. Stem 1 2f high, diffuse. Leaves about an inch long, 

 sessile, ending with a spine. Flowers green, succulent, sessile, bracteate. 

 Seed cochleate, enclosed in the calyx. Aug. Used in the preparation of soda. 

 ft. Caroliniana. (Nutt. S. Caroliniana. Walt.}; Ivs. dilated; cal. with a 

 broader margin ; st. smooth. 



2. S. SODA. 



Herbaceous, glabrous; branches ascending; Ivs. semiterete, rather acute; 

 cal. in fruit transversely connate, somewhat membranaceous. In N. Y. Muh- 

 lenbcrg, who also attributes S. Tragus, another European species, to the shores 

 of N. J. But this is very uncertain. July. 



3. SPINACIA. 



Lat. spina, a prickle ; on account of the spiny processes of the fruit. 



Flowers d* 9- cT Calyx 5-parted ; stamens 5. 9 Calyx 2 4-cleft ; 

 styles 4, capillary ; utricle contained within the indurated and some- 

 times muricated calyx. 



S. OLERACEA. Spinage. Lvs. hastate-lanceolate, petiolate ; Jr. sessile, prickly 

 or unarmed. Native country unknown, but it has long been a common 

 plant in gardens, and in some esteem as an esculent. Stem 1 2f high, with 

 leaves between hastate and sagittate, 2 3' long, and nearly half as wide, taper- 

 ing at base into a long petiole. Flowers greenish, the sterile ones in a ter- 

 minal-panicle, the fertile ones in dense, sessile, axillary racemes. June, July. 



4. ACNlDA. Mitchell. 



Gr. a. not, KviSri, the nettle ; a nettle-like plant which does not sting. 



Flowers tf 9 cT Calyx 5-parted ; stamens 5. 9 Calyx 3-parted ; 

 stig. 3 5, sessile ; utricle t -seeded. Herbaceous weeds, mostly aquatic. 



1. A. CANNABINA. Water Hemp. 



Lvs. ovate-lanceolate; caps, smooth, acute-angled. (T) In salt marshes 

 and inland swamps, Can. and U. S. Stem furrowed, smooth, 2 4f high. 

 Leaves alternate, petiolate, 2 5' long, tapering to a long point. Panicles 

 axillary and terminal, with numerous small, green flowers. Aug. 



2. A. RUSCOCARPA. Michx. 



Lvs. oval-lanceolate ; caps, obtusely angled, rugose. (I) Can. and U. S. 

 A tall, branching, unsightly plant in similar situations with the last. Stem 

 6 Sfhigh, angular. Flowers greenish-white, in terminal and axillary spikes. Jl. 



5. ATRlPLEX 



Fls. mono3ciously polygamous. $ Calyx 5-parted ; sta. 5 ; style 



bipartite ; utricle depressed, invested in the calyx. 9 Calyx 2-leaved ; 



sta. ; style and fruit as above. Mostly CD, rarely shrubby plants. 



Lvs. alternate. Fls. glomerate, paniculate, c? and 9 on the same plant. 



1. A. HORTENSIS. Garden Orache. Golden Orache. 



St. erect, herbaceous ; Ivs. triangular, toothed, of a uniform color both 

 sides ; cal. of the fruit ovate, reticulate, entire. (J) Sparingly naturalized in 

 40 



