CHENOPOOrACEjE. 



317 ATRIPLEX. 



with leaves between hastate and sagittate, 2—3 inches long, and nearly half 

 as wide, tapering at base into a long- petiole. Flowers greenish, the sterile 

 ones in a terminal-panicle, the fertile ones in dense, sessile, axillary racemes. 

 June. July. Ann. Spinage. 



4. ACNI'DA. 



Flowers dioecious. Sknle ji.—C^\yx 5-parted ; slameiis 5. 

 Ferlile /.-- -Caljx 3-paited ; stigmas 3 — 5, sessile; utricle 

 l-seeded. 



Gt. a, privative, and JtviSri, the nettle; that is to say, a nettle-like plant 

 which does not sting. Herbaceous weeds, mostly aquatic. 



A. Cannabi'na. 



ieoBW ovate-lanceolate ; capsules smooih, acute-angled. In salt marshes 

 and inland swamps. Stem furrowed, smooth, 2 — 4 feet high. Leaves alter- 

 nate. petiolate,2 — 5 inches long, tapering to a long point. Panicles a.xillary 

 and terminal, with numerous small, green flowers. Aug. Ann. Wild Hemp. 



5. A' TRIPLEX. 

 Flowers monoeciotisly polygamous, Perftct jl. — Calyx 5- 

 paited ; siamens 5 5 style bipartite ; utricle depressed, invested 

 in the calyx. Pistilfule f. — Calyx 2-leaved ; stamens 0; style 

 and fruit as above. 



Lat. uter, dark. Perhaps on account of its dark color. 



1. A. iiorte'nsis. 



Stem erect, herbaceous ; leaves triangular, toothed, of a unifoirn color both 

 sides; cahjx of the fruit ovate, reticulate, entire. Sparingly naturalized in 

 cultivated grounds. Stem 3 feet or more high, with thick leaves of variable 

 shape, and 2— 3 inches long. Flowers green, in terminal, interrupted racemes 

 or spikes. It is sometimes cultivated as a pot-herb. Jl. Ann. Garden Orachc. 



2. A. pa'tula. 



Stem spreading, herbaceous ; leaves triangular-hastate, acuminate ; calyx of 

 the fruit submuricate on the disk. Avery branching plant, 1—2 feet long, 

 foufld in salt marshes. Stem and leaves dull green, somewhat glaucous. 

 Lower leaves hastate, with coarse teeth, upper ones lanceolate and nearly 

 entire. Flowers in long, terminal and axillary, interrupted racemes. 

 Sepals of the fertile flowers triangular, studded with tubercles in the midst. 

 Aug. Ann. Spreading Orache. 



3. A. arena'ria. Kuit. 



Stem spreading, herbaceous ; /ear^s entire, oblong-ovate, subsessile, silvery 

 white beneath, upper ones acute or acuminate; flowers aggregated, axillary ; 

 cjiLyx of the fertile floiee.rs muricale, dentate, retuse. Grows on sandy shores. 

 Stem about a foot high, reddish, angular, very branching. Lower leaves 

 often wedge-shaped. Flowers moncEcious, tiie sterile ones in short, dense 

 spikes at the ends of the branches, the fertile in axillary clusters. July. 

 Ann. Sand Orache. 



4. A. lacinfa'ta. 



Stem spreading, herbaceous; leaves triangular-ovate, deeply toothed, hoary 

 pubescent beneath, lower ones opposite ; j:)e7/eff ^(^tcer* letrandrous ; califx 

 o/r/(c//(ui rhomboid, 3-nerved, denticulate. In salt marshes. Stem afoot 

 BB* 



