78 NORTH AMERICAN FLORA (VoLumE 21 
4. Kochia americana S. Wats. Proc. Am. Acad. 9: 93. 1874. 
Perennial from a woody base; stems numerous, erect, 15-5 dm. high, branched at the 
base, simple above or occasionally with a few erect branches, usually more or less villous- 
tomentose when young but soon glabrate; leaves numerous, often fascicled, sessile, the blades 
6-25 mm. long, terete, fleshy, acutish, erect or ascending, sparsely sericeous or glabrous; flowers 
solitary or in 2’s or 3’s, white-tomentose; calyx in fruit 2 mm. broad, the wings flabellate, 2 mm. 
long, distinct, membranous, crenulate, finely nerved; utricle glabrate; seed 2 mm. in diameter. 
TYPE LOCALITY: Western Nevada. 
DISTRIBUTION: Alkaline plains and marshes, Wyoming and Colorado to northwestern New 
Mexico and California. 
19. ECHINOPSILON Mog. Ann. Sci. Nat. II. 2: 127. 1834. 
Bassia All. Misc. Taur. (3: 177, hyponym. 1766); 5: 93. 1776. Not Bassia L. 1771. 
Villemetia Mog. Ann. Sci. Nat. Il. 1: 206. 1834. "Not Willemetia Maerklin, 1800. 
Londesia Fisch. & Mey. Ind. Sem. Hort. Petrop. 2: 40. 1836. 
Kentropsis Moq. Chenop. Enum. 83. 1840. 
Muaireana Mog. Chenop. Enum. 95. 1840. 
Pubescent herbs or shrubs with terete or angulate branches. Leaves alternate, sessile, the 
blades linear, lanceolate, or terete, often succulent, entire. Flowers perfect or with pistillate 
ones intermixed, bracteolate, ebracteate, small, sessile, solitary or glomerate in the axils of the 
leaves; perianth globose or turbinate, 5-dentate or 5-lobed at the apex, the teeth or lobes 
erect or incurved, glabrous or pubescent, in age produced into long, erect or spreading spines. 
Stamens 5, hypogynous; anthers oblong, exserted. Ovary ovoid, attenuate to a short or 
elongate style; stigmas 2 or 3, capillary; ovule subsessile. Utricle enclosed in the perianth, 
membranaceous, or indurate at the apex, indehiscent, free from the seed. Seed horizontal 
or nearly vertical; embryo annular, enclosing the scanty endosperm; radicle centrifugal. 
Type species, Kochia sedoides Schrad. 
i Echinopsilon hirsutum (L.) Mog. Ann. Sci. Nat. IJ. 2: 127. 
1834. 
Chenopodium hirsutum L,. Sp. Pl. 221. 1753. 
Salsola hirsuta L. Sp. Pl. ed. 2.323. 1762. 
Suaeda albide Pall. Il. Pl. 53. 1803. 
Kochia hirsuta Nolte, Novit. Fl. Holsat. 24. 1826. 
Suaeda hirsuta Reichenb. Fl. Germ. Exc. 580. 1832. 
Villemetia hirsuta Moq. Ann. Sci. Nat. II. 1: 210. 1834, 
Bassia hirsuta Asch. in Schweinf. Beitr. Fl. Aeth. 187. 1867. 
Chenolea hirsuta Arcang. Comp. FI. It. 595. 1882. 
Annual, 2-4 dm. high, usually much branched throughout, the branches stout or slender, 
decumbent or ascending, striate, copiously pilose or glabrate; leaf-blades linear, 4-10 mm. long, 
semiterete, fleshy, spreading, obtuse, or the upper ones acute, short-pilose when young but com- 
monly glabrate in age, the blades of the inflorescence usually lance-linear, broader; flowers 
axillary, solitary, the branches of the inflorescence very tortuous, usually spirally curved, 
short-pilose; perianth 2-2.5 mm. broad, densely or sparsely pilose, the lobes triangular, in 
fruit coalescent and each developing on the back a short conic tubercle or spine; seed 1-1.2 
mim. broad, ovoid, dull-greenish, the margin rounded. 
Tyr Locarty: Seacoast at Montpellier, France. 
DisTRIBUTION: Adventive on sandy seashores, New Jersey, and at Boston, Massachusetts; Europe 
d Sib 
— ae aus: Reichenb. Ic. Fl. Germ. 24: pl. 281; Pall. Ill. Pl. ol. 45; Hegi, Ill. Fl. f. 554, a-e. 
VI. CORISPERMEAE. Annual herbs, glabrous, or pubescent with 
branched hairs. Leaves alternate, the blades narrow. Flowers perfect, 
ebracteolate; perianth-segments free or united, unchanged in fruit. Stamens 
1-5. Fruit compressed, much exceeding the perianth. Seed vertical; embryo 
annular. 
A single genus in North America. 20. CoRISPERMUM. 
