Order 105.— CHENOPODIACF^E. 613 



bright-green ; rac. strict, spike-like, leafless ; seed shining, margin acute ; fruit 

 partly inclosed. — (1) Gardens, waste grounds, rare. (C. acutifoliuin Sm.) Plant 

 smooth, pale green or purplish, If or more high. Calyx minute, lobes obtuse, at 

 length spreading and the fruit naked. § Eur. 



2 C. h^bridum L. Erect, much branched; lvs. petiolate (ample), broad, subcor- 

 date, acuminate, deeply sinuate-angled, thin, glabrous, bright green, the terminal 

 lobe longest, all acuminate, upper deltoid ; rac. diffusely panicled, loose, leafless , 

 seed rugous, dull ; fr. partly inclosed. — (D A strong-scented, rigid herb, 2 to 4f 

 high, in waste grounds, N. Eng. to Ky., common. St furrowed. Lvs. partly 

 palmate- veined, 3 to 5' by 2 to 4', petiole 1 to 2'. Els. sessile, greenish. JL 

 §Eur. 



3 C. murale L. Ascending, sulcate- angled, branched ; lvs. pctiolata^ ascending, 

 ovate-rhombic, acute at base, unequally and acutely toothed, thin, shining, bright 

 green; rac. divaricate, subcorymbous, rather loose and leafless; seed dull, rugous, 

 acute-edged, very fiat: fr. almost inclosed. — 'T) Fields, gardens, north and south, 

 rare. St. 12 to 18' high. Lva 2 to 3' by 1' to 18", subtripliveined, petiole I'. 

 Els. mealy. Stam. exserted. Aug. § Eur. 



4 C. 111131011111 L. i'l rhombifolium. Erect, angled, branched; lvs. petiolate, 

 ascending or erect, rhombic-triangular, acute, simcate-toothed, with long, acute teeth, 

 thin, green, tho highest iance-linear, subentire; rac. long, erect-panicled, rather 

 dense-flowered, nearly leafless; seed shining, obtuse-edged; fr. partly inclosed. — (T) 

 St. 2 to 3f high, marked with green lines; branches suberect Lvs. 2 to 3' long. 

 Rac. very strict CaL lobes obtuse, green. Stam. exserted. (C. rhombifolium 

 MuhL) 



5 C. Bosciamim Moq. Erect, branched; lvs. small, petiolate, divaricate, lance- 

 linear, very acute, thin, entire, glaucous-green above, canescent beneath ; spikes 

 loose, leafy; seed shining, acute-margined; fr, wholly inclosed. — OD Car. to Tex. 

 St. 18' to 2f high, slender, green-striate, branches ascending. Lvs. 5" to 1' long, 

 1 to 2" wide. Els. minute, mealy, sessile. 



6 C. album L. PiGWEEa Erect, sulcate-striate, thinly branched; lvs. petio- 

 late, ascending, rhombic-ovate, cuneate at base, sinuate-toothed or subentire, thin, 

 pulverulent, pale green or whitish, upper oblong or lance-linear, entire; rac. dense 

 or loose, subpaniculate, nearly leafless; seed smooth and shining, acute-edged, 

 wholly inclosed. — CD Tho most common of weeds in fields and gardens. St 2 to 4 

 to 7f high, beautifully slriato with green and purple. Branches subsimple, as- 

 cending. Lvs. 18 to 30" long, petiole a third as long. Fls. mealy. JJ. — Sept 

 (C. virido L., a greener, narrow-leaved var.) 



7 C. glaucuni. L. Prostrate or ascending, sulcate-striate, branched; lvs. petio- 

 late, oblong or ovate-oblong, obtuse, sinaate-a?igled or remotely dentate, thin, palo 

 green above, mealy and white-glaucous beneath; rac. simple, leafless, rather 

 dense-flowered ; seed shining, acute-edged, partly inclo ted. — (1) Mass., Penn., rare. 

 Plant somewhat flesh}', If long, smootk Lvs. 1 to 2' long. Calyx sometimes 

 abortively 2 or 3-lobed, and then the seed is erect (Koch.) 



8 C. ambrosioides L. Mexican Tea. Erect, sulcate, branched; lvs. short- 

 petioled, ascending, oblong, the upper attenuate at each end, acutish, remotely 

 sinuate-dentate or subentire., thin, puberulent, glandular beneath, light green, the 

 upper lance-linear, very entire; rac. spike-like, dense-flowered, leafy; seed 

 smooth and shining, obtuse-edged; fruit wholly inclosed. — (I) Waysides, waste 

 places. Plant yellowish green, pleasantly aromatic, 1 to 2f high. JL, Aug. 

 § Mex. &c 



9 C. anthelminticum L. Worm-seed. Erect angular, subsimple; lvs. ovato- 

 oblong, petiolate, acute, attenuate at base, deeply sinuate-serrate, the lower almost 



■ piimatifid, thin, smoothisb, glandula-r beneath, bright green; rac spike-like, axil- 

 lary, subsimple, dense-flowered, leafless, paniculate above ; sly. mostly 3 ; seed 

 (smooth, shining, obtuse-margined; fruit wholly inclosed. — 2£ In light soils, pas- 

 tures, and waste grounds, common south and west. Plant stroogly aromatic, 1 

 to 3f high, with small branches (or none), forming a leafy panicle of loafless 

 spikes. Jn. — Aug. 



10 C. Botrys L. Oak op Jerusalem. Erect, sulcate-angled, much branched; 

 lvs. long-petioled, ascending, oblong, obtuse, sinuate-subphiDatifid with obtuse 



