DONDIA CHENOPODIACEZ 599 
SALSOLA 
branaceous, free. Seeds compressed. vertical and with the radicle 
inferior or horizontal: the testa smooth, black and crustaceous. 
D. diffusa Watson Proc Am Acad. ix, 88, under Suxda. Glabrous or 
more or less pubescent, green or often purple. Stem erect, 12-18 inches 
high, diffusely branched with usually slender flexuous elongated branches: 
leaves subterete, 6-12 lines long, acute or acuminate, the floral ones similar 
but shorter, usually rather distant on the branchlets; clusters 2-4-flowered : 
calyx cleft to below the middle fleshy, but carinate: seeds mostly vertical 
half a line broad, perfectly smooth. Common on alkaline plains, southeas- 
tern Oregon tu Nevada and New Mexico. 
D. depressa Britton B. & B. Ill. Fl. i, 585 Suada depressa Watson. 
Low and mostly decumbent. branching from the base, smooth, the lowest 
branches sometimes opposite: leaves linear, 3-12 lines long, broadest at 
base, the floral ones oblong to ovate-lanceolate or ovate, acute, rather crow- 
ded upon the branchlets: calyx cleft to the middle, one or more of the ac- 
ute lobes very strongly carinate or crested: seed vertical or horizontal, 4 
line broad, very lightly reticulate. Idaho to Nevada, Colorado and the 
Saskatchewan, 
DD. occidentalis Watson Proc. Am. Acad. ix,90 under Sueda. ‘Erect 
slender, 8-10 inches high, smooth, with elongated flexuous spreading 
branches: leaves linear, 14-1 inches long, acute, narrow at base, the floral 
leaves somewhat widest: flowers few in the axils: calyx cleft nearly to the 
middle, with obtuse lobes, at length surrounded by a transverse irregular 
lobed veinless wing a line broad: seed horizontal, 44 line broad, obscurely 
reticulated.’? Eastern Washington to Nevada. 
D. intermedia Watson Proc. Am. Acad. xiv, 296, under Sueda. 
‘“‘ Perennial, the straight erect slender herbaceous stems from a short woody 
base, 9-18 inches high, glabrous or sometimes puberulent: branchlets 
also slender, ascending: leaves very narrowly linear, with acontracted base, 
acute, 6-10 lines long, much shorter on the branches: fertile flowers very 
small, often solitary the hil pe cleft calyx unappendaged: seed very small 
(140f a line broad), horizontal}, not at all tuberculate under the microscope.”’ 
Eastern Oregon to Utab and Arizona. 
Tribe 6 Salsolee Mog. Annal. Sci. Nat. series 2, 209. Stems 
not articulated. Leaves subterete. Flowers perfect, 2-bracted. 
Sepals persistent. Seeds horizontal or vertical, with simple membra- 
naceous testa. Embryo spiral. 
13 SALSOLA L. Sp. 222. 
Annual or perennial branched herbs with rigid subulate prickly- 
pointed leaves and sessile perfect 2-bracteolate flowers solitary 
in the axils, or sometimes several together. Calyx 5-parted, its 
segments appendaged by a broad membranous horizontal wing in 
fruit and enclosing the utricle Stamens 5. Ovary depressed: 
styles 2. Utricle flattened. Seed horizontal. Embryo coiled into 
a conic-spiral: albumen none. 
_ §. tracus L. Sp. ed. 2, 322. Annual, Glabrous, loosely bushy-branch- 
ed 1-2 feet high: leaves 3-10 lines long succulent, lanceolate-subulate the 
midnerve excurrent into a stout yellowish-green prickle often bright red 
at maturity : calyx membranaceous, conspicuously veiny, its wing longer 
than the ascending lobe. In cultivated fields, eastern Oregon and Wash- 
ington to the Atlantic States: naturalized from Europe. 
