CATALOGUE. 385 



Glyceeia distans, Wahl. {Atropis, Griseb.) The specimens differ 

 from European ones only in their more starved habit, the leaves being often 

 short and convolute. The upper glume is |" long, twice the length of the 

 lower one ; lower palet 1" long, slightly pubescent at base ; culms 6-18' high ; 

 branches of the panicle spreading, or often short, simple and erect. 615 

 Vasey, from Colorado, is apparently distinct, the palets being more acute, 

 the upper equaling or exceeding the lower, and the leaves elongated-filiform. 

 In salt marshes on the coast of the Northern States ; from the Saskatchewan 

 (Bourgeau) to Slave Lake, (Richardson,) and southward to Colorado and 

 New Mexico, (927 Fendler,) Washington Territory, (Scouler,) and California. 

 Found near the sink of the Humboldt, Nevada, and in salt meadows near the 

 mouth of the Jordan, Utah; 4,300 feet altitude; May-August. (1,308.) 



Catabkosa^ aquatica, Beauv. {Glyceria, Presl. Steud. Gram. 286.) 

 Culms 4-2° high, rather stout, ascending; leaves 2-6' long, 2-4" wide, 

 scabrous on the margin; panicle uniform, branchlets numerous, divided; 

 glumes J" long, purplish ; flowers 1" in length, light-brown in color. — 

 Grreenland, (Kane,) and from Hudson's Bay to the Rocky Mountains ; 

 Dakota ; Columbia. "Wahsatch and Uintas ; 6,500-8,000 feet altitude ; June- 

 August, (1,309.) 



Beizopyrum spicatum. Hook., Var. steictum, Gray. (JJniola stricta, 

 Torr. Steud. Gram. 281.) Spikelets many-flowered, and the panicle mostly 

 rather loose and elongated, 1J-3J" in length; culms ^-2° high ; pistillate 

 spikelets 4-8" long, 4-13-flowered, the lower palet acutish or almost acu- 

 minate ; staminate spikelets 4-9" long, 6 18-flowered, slender-pedicelled and 

 often somewhat nodding. — Running into B. spicatum by intermediate forms. 

 An abundant grass in alkaline or saline meadows of Nevada, but innutritions 

 and injurious to animals from the amount of saline matter usually encrusting it. 

 From Texas to the Upper Missouri and the Saskatchewan and westward to 

 the Pacific. (1,310.) 



PoA ANNUA, L. "Wahsatch Mountains, near Salt Lake City ; possibly 

 introduced. (1,311.) 



' CATABEOSA, Beauv. Spikelets 2-3-flowered ; flowers equal, perfect. Glumes membranous, 

 colored, unequal, shorter than the flower, concave, the lower oblong, 1-nerved, the upper obovate, 

 S'nerved, erosely dentate at the apex, or both nerveless. Palets membranous, equal in length, the lower 

 3-nerved and 3-keeled, truncate-obtuse, the upper 2-nerved and S-keeled, rounded and somewhat 3-lobed. 

 Stamens 3. Styes 2, very short, the stigmas plumose. Scales 2, shorter than the ovary. Grain oblong 

 free, shortly pedicelled. — Glabrous creeping aquatics, with flat leaves, elongated membranous ligules and 

 diffusely branched panicles with semi-verticillate branches; flowers jointed at base and deciduous. 



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