612 Obpeb 105.— CEENOPODIAOS^. 



* Te. Salioorn. Inflor. anomfilons. FJs. imbedded. St. jointed, (leaS(iss)....SAi.toosif[iA. 9 



* Teibe SPINAOIE.S;. Inflor. normal. Fls. of two sorts. St. continuous. Lvs. broad, (a) 



a Fruit enclosed in a hardened calyx without bracts. Cultivated Bpikacia. 8 



a Fruit nalced (no calyx) between two united bracts. Leaves oval Obiohe. T 



a Fruit naked (no calyx) between two subdistinct bracts. Lvs, triangular. Ateipuex. 6 



* Tribe Coenopodik^. Inflor. normaL Fls. perfect and alike. St. contin. Lvs. broad, (c) 



C Seed vertical. Pericarp thin, smooth, mostly in a fleshy calyx Blitum. 6 



c Seed vertical. Pericarp thin, glandular, in a wrinkled calyx Roubieva. 4 



c Seed horizontal. Pericarp thin, in a plain, unbordered calyx Cuenopodiuu. 3 



c Seed horizontal. Pericarp thin, in a calyx bordered all around Cycloloma. 2 



c Seed horizontal. Pericarp thick and hard, calyx ribbed Beta. 1 



1. BE^TA, Tourn. Bbet. (Celtic heit, red, the usual color of the 

 Beetroot.) Calyx urceolate, 6-cleft, persistent, finally indurated at base ; 

 stamens 5, with no staminodia ; ovary depressed, half inferior ; stigmas 

 2 ; utricle with a thicldsh, hardened, depressed pericarp enclosed in 

 the calyx; seed horizontal. — Herbs with fleshy roots, furrowed stems, 

 alternate lvs. and greenish, spicate fls. 



B. vulgaris L. Lvs. acute, glabrous, undulato or entire, green or purplish, 

 the lower ovate-oblong, attenuate at base into a long petiole, upper subsessile 

 oblong ; fls. greenish-white, in sessile glomerules of 2 to 4 forming slender spikes 

 which are arranged in large, somewhat leafy panicles. — @ Fields and gardens, 

 everywhere cultivated. Rt. mostly deep red. S. Eur. — ^Tbis useful culinary, by 

 long culture has run into many varieties, distinguished chiefly by the color and 

 quality of the nutritious root. 



(3. ciCLA. SoAECiir. Root cylindraeeous, rather slender, whitish ; lvs. some- 

 what rough or hispid, with very thick veins; fls. 3 together. 



y. EAPA. Turnip Beet. Root short and thick, sweet and juicy, white or red. 



S. MANGEL-WURTZEL. Root Very large, mostly white. Cultivated for stock. 



2. CYCLOLO'MA, Moquin. (Gr. kvkXo^, a circle, Awjua, border; 

 Teferring to the appendage of the calyx.) Calyx urceolate, 5-cleft, lobes 

 strongly keeled, persistent, finally appendaged outside with a circular, 

 membranous, horizontal border or crown ; stamens 5 ; styles 3 ; utricle 

 depressed, enclosed in. the transversely winged calyx. — (J) Herbs with 

 furrowed stems, alternate, petiolate, lobed lvs., and a spreading panicle 

 of small sessile fls. 



C. platyph^Uum Moq. Sandy banks of the Miss., 111. (opposite St. Louis) and 

 westward. St. wide-branched, ascending 1 to 2f from a prostrate base, white- 

 downy above. Lvs. 2' long more or less, oblong-lanceolate, petiolate, sinuate- 

 toothed or lobed, lobes sharply mUcronate. Els. less than 1" long, 1 to 3-glom- 

 erate. Panicle leafless. Crown scarious. Seed black. JI., Aug. 



3. CHENOPO'DIUM, Tourn. (Gr. xn'v, a goose, -novg, foot; from 

 the resemblance of the leaves.) Calyx bractless, 5-cleft, lobes often 

 keeled, never appendaged, more or less enclosing the fruit; stamens 5 ; 

 styles 2 ; utricle depressed, membranous, seed mostly horizontal, lentic- 

 ular. — Herbs often glaucous or glandular, with alternate, often rhombic 

 leaves, and the minute fls. glomerate in panicled spikes. 



§ Plant's smooth, never glandular, 111-soented. Embryo a complete ring (*). 



* Herbage green, rarely purplish, not glaucous or mealy (a). 



a Leaves entire, ovate-oblong, on slender petioles Ko. 1 



a Leaves toothed or lobed, petiolate lj«a. 2—4 



; * Herbage crlaucous or whitish, covered with mealiness Nos. 6—7 



( Plants glandular-puberulent, green, aromatic. Embryo a half ring (b). 



b Flowers glomerate, axillary, in spike-like racemes Nos. 8, 9 



b Flowers cymous, innumerable, in long, raceme-like panicles No. 10 



1 C. polysp^rinum L. Procumbent or subereot, branched from the base ; lvs. 

 petiolate, divaricate, ovate or oblong, obtuse or acute, thin, entire, glabrous, 



