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FIG. 36.— Salt. grass. (Dis- FiG.37.—Yard grass. (Eleusine 
maritima.) indica.) 
Distichlis maritima Rafin. Salt-grass; Alkali-grass; Spike-grass; Quack-grass. 
(Fig. 36.) 
trae E TS A NR es 
42 
Deyeuxia. (See Calamagrostis.) 
Deyeuxia canadensis. (See Calamagrosiis canadensis.) 
Diarrhena americana Beauv. Twin-grass. 
An erect native perennial, 2 to 3 feet high, with long, rather broad, nearly erect 
leaves, and few-flowered, simple panicles, 4 to 10 isaks long. This grass grows 
"e shady river banks else in nase woods from Ohio to Illinois and south- 
no agricultural v 
Diplachne fascicularis Beauv. as 
An annual, 2 to 3 feet high, ranging from New England southward, and westward 
to Arizona. It is iar confined to brackish marshes or wet lands near the 
coast, and low, more or less alkaline regions in the interior. Of no recognized 
agricultural value. 
An wom. wiry grass, 10 to 20 inches high, with strong, extensively creeping root- 
Common along the coast on both sides of the continent, aud abundant 
able areas to the exclusion of other grasses. It thrives even in ground heavily 
crusted with alkali and other Wats sufficient to destroy almost any other ee 
of 3 wth. Pr 
water near the surface, and "when erossing the desert o vts where it grows 
to dig for water (Orcutt). In farming lands it is deemed a nuisance, for its 
tough, matted roots make a sod 8 impossible to break ud with a plow. 
Although some „„ in the absence of be better sorts, it has 
