Par? 1, 1916] CHENOPODIACEAE 27 
the fruit; seed horizontal or sometimes vertical, 0.8 mm. broad, dark reddish-brown, the peri- 
carp free. 
TYPE LocaLity: Chile. 
DistRiBuTION: Chile; adventive in northern California. 
44. Chenopodium ambrosioides L. Sp. Pl. 219. 1753. 
Chenopodium anthelminticum L. Sp. Pl. 220. 1753. 
Atriplex ambrosioides Crantz, Inst. 1: 207. 1766. 
Atriplex anthelmintica Crantz, Inst. 1: 207. 1766. 
Chenopodium suffruticosum Willd. Enum. 290, 1809. 
Chenopodium Sancta-Maria Vell. Fl. Flum. 126. 1825. 
Orthosporum ambrosioides Kostel. Allg. Med.-Pharm. FI. 1433. 1835. 
Orthosporum suffruticosum Kostel. Allg. Med.-Pharm,. Fl. 1433, 1835. 
Ambrine ambrosioides Spach, Hist. Vég. 5: 297. 1836. 
Amobrina anthelmintica Spach, Hist. Vég. 5: 298. 1836. 
Ambrina retusa Moq. Chenop. Enum, 38. 1840. 
Ambrina spathulata Mog. Chenop. Enum. 39. 1840. 
Ambrina obovata Moq. Chenop. Enum. 40. 1840. 
Roubieva anthelmintica H. & A. Bot. Beech. Voy. 387. 1840. 
Chenopodium spathulatum Sieber; (Mog. Chenop. Enum. 39, as synonym. 1840) Mog. in DC. 
Prodr. 132: 73. 1849. 
Chenopodium retusum Juss.; Moq. in DC. Prodr. 13?: 73. 1849. 
Chenopodium obovatum Mog. in DC. Prodr. 137: 73. 1849. 
Chenopodium ambrosioides anthelminticum A. Gray, Man. ed. 2. 364. 1856. 
Blitum ambrosioides G. Beck, in Reichenb. Ic. Fl. Germ. 24: 118. 1908. 
Botrys ambrosioides Nieuwl. Am. Midl. Nat. 3: 275. 1914. 
Botrys anthelmintica Nieuwl. Am. Midl. Nat. 3: 275. 1914. 
TIll-scented, erect or ascending annual or perennial, 3-10 dm. high, the branches stout, 
simple or paniculately branched, glabrous, or puberulent below, usually glandular-villous or 
tomentulose about the inflorescence but occasionally glabrous; lower leaves petiolate, the 
blades 2-12 cm. long, 1.5—-5.5 cm. broad, oblong to ovate or lanceolate, coarsely and irregularly 
sinuate-dentate or sinuate-pinnatifid, the lobes acute or obtuse, entire or dentate, obtuse 
to attenuate at the apex, cuneate at the base, copiously gland-dotted or the glands rarely 
wanting, puberulent, short-villous, or glabrous; flowers solitary or usually densely glomerate 
in dense or interrupted, slender or stout, usually very elongate spikes, these leafy or naked, 
the blades much smaller than the lower ones, lanceolate, oblanceolate, spatulate, or linear, 
obtuse, acute, or attenuate; calyx about 1 mm. high, glabrous or short-villous, usually gland- 
dotted, the lobes rounded-ovate, obtuse, completely enclosing the fruit; stamens exserted; 
pericarp very thin; seed horizontal or vertical, 0.6-0.8 mm. broad, nearly black, the margin 
obtuse. 
TYPE LOCALITY: Mexico. 
DISTRIBUTION: In waste ground, Maine, Ontario, and California southward to Central America, 
native southward but adventive northward; West Indies and South America; naturalized in many 
parts of Europe, Asia, and Africa. 
ILLUSTRATIONS: Vell. Fl. Flum. 3: pl. 104; W. Bart. Veg. Mat. Med. 2: 1. 44; Raf. Med. Fi. 
1: pl. 21; Descourt. Fl. Ant. 1: pl. 57, 58; Dill. Hort. Elth. 1: pl. 66, f. 76; Mart. Fl. Bras. 51: pl. 
46, 47; Morison, Hist. pl. 3, f. 81; E.& P. Nat. Pfl. 3%": f. 25, K-Q: Britt. & Brown. Ill. Fl. f. 1372, 
1373; ed. 2. f. 1691; Sturm, Deuts. Fl. 75: pl. 11; Guimp. & Schl. Abb. Fl. Boruss. pl. 269; Wight, 
Ic. pl. 1786; Berg & Schmidt, Darstell. 1: pl. 2, C; Reichenb. Ic. Fl. Germ. 24: pl. 251, f. 1-10; lowa 
Geol. Surv. Bull. 4; f. 59; Karst, Deuts. Fl. f. 311, 1-6; Darl. Am. Weeds f. 176; G. T. Stevens, Ill. 
Guide pl. 35, f. 6, 8; Hegi, Ill. Fl. f. 547, a-c; Fiori & Paol. Ic. Fl. Ital. f. 1016. 
XIV. Carinata. Plants prostrate or decumbent, glandular-pubescent. Leaf-blades 
pinnatifid or dentate. Flowers sessile in small glomerules, these axillary or spicate. Calyx- 
lobes carinate. Pericarp thin, slightly adherent. Seed vertical. 
45. Chenopodium carinatum R. Br. Prodr. 407. 
1810. 
Salsola carinata Spreng. Syst. 1: 923. 1825. 
Ambrina carinata Moq. Chenop. Enum. 41. 1840. 
Blitum carinatum Mog. in DC. Prodr. 13%: 81. 1849. 
Annual, much branched from the base, the branches stout, 2-4 dm. long, prostrate or 
decumbent, glandular-villous throughout, often reddish; petioles slender, 5-14 mm. long; 
