ORDER 105. CHENOPODIACEJE. 613 



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

 partly inclosed. (D Gardens, waste grounds, rare. (C. acutifolium 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. hybridum L. Erect, much branched; Ivs. 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, duU ; fr. partly inclosed. (T> 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'. Fla. sessile, greenish. Jl. 

 Eur. 



3 C. murale L. Ascending, sulcate-angled, branched ; Ivs. petiolate, ascending, 

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

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

 acute-edged, very flat; fr. almost inclosed. X Fields, gardens, north and south, 

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

 Fls. mealy. Stem, exserted. Aug. Eur. 



4 C. urbicum L. j3. RHOMBIFOLIUM. Erect, angled, branched; Ivs. petiolate, 

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

 thin, green, the highest lance-linear, subentire; rac. long, erect-panicled, rather 

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

 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. Boscianum Moq. Erect, branched; Ivs. small, petiolate, divaricate, lance- 

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

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

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

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



6 C. album L. PIGWEED. Erect, sulcate-striate, thinly branched; Ivs. petio- 

 late, ascending, rhombic-ovflte,^ 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. Q The most common of weeds in fields and gardens. St. 2 to 4 

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

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

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



7 C. glaucum. L. Prostrate or ascending, sulcate-striate, branched ; Ivs. petio- 

 late, oblong or ovate-oblong, obtuse, sinuate-angkd or remotely dentate, thin, pale 

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

 dense-flowered; seed shining, acute-edged, partly inc o ed. X^ass., Penu., rare. 



. Plant somewhat fleshy, If long, smooth. 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; Ivs. short- 

 petioled, ascending, oblong, the upper attenuate at each end, acutisli, 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. (DWaysktea, waste 



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

 Mex. &c. 



9 C. anthelminticum L. VORM-SEED. Erect, angular, subsimple; Ivs. ovate- 

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

 pinnatifid, thin, smoothish, glanduliff 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. If. In light soils, pas- 

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

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

 spikes. Jn. Aug. 



10 C. Botrys L. OAK OF JERUSALEM. Erect, sulcate-angled, much branched; 

 lv.. long-petioled, ascending, oblong, obtuse, sinuate-subpinnatifid with obtuso 



