. Bulletin. Gramineae -- United States; Forage plants -- United States. 48 SPOROBOLUS PALMERI Scribn., (PI. V.) A deusely ca'spitose. ,i;laucous perennial, 3 to 5 dm. bigli, with narrow, spreading leaves and diffuse panicles 20 to 30 cm. long. Sheaths smooth, striate, crowded below, bearded at the throat. Ligule a short, dense fringe of hairs. Leaf-blades 5 to 10 or 12 cm. long, 2 to 4 mm. wide, rather rigid, very sharp-pointed, strongly involute when dry and more or less ilexuous, smooth and glaucous, especially on the upper surface the wliolc plant more or less glaucous. Panicle-branc
. Bulletin. Gramineae -- United States; Forage plants -- United States. 48 SPOROBOLUS PALMERI Scribn., (PI. V.) A deusely ca'spitose. ,i;laucous perennial, 3 to 5 dm. bigli, with narrow, spreading leaves and diffuse panicles 20 to 30 cm. long. Sheaths smooth, striate, crowded below, bearded at the throat. Ligule a short, dense fringe of hairs. Leaf-blades 5 to 10 or 12 cm. long, 2 to 4 mm. wide, rather rigid, very sharp-pointed, strongly involute when dry and more or less ilexuous, smooth and glaucous, especially on the upper surface the wliolc plant more or less glaucous. Panicle-branches finely spreading, solitary, very smooth, pedicels spreading, somewhat flexuous, primary branches rather rigid, spikelets about mm. long. Outer glumes obtnse, the first about 2 mm. long, the second mm. long, the flowering glume rather broad-ovate or ()l)loug, obtuse, about mm. long, a-nerved. Palea with very broad margins, eiiual- Ing or slightly exceeding tbe flow- ering glume. In alkali bottoms, growing in rather dense bunches, near the city of Durango, Mexico, altitude 1,850 meters (No. 180, E. Palmer, June, 1896). The species is named for the collector, Dr. Ed- ward Palmer. SPOROBOLUS THURBERI Scribn., sp. n. () Vilfajiliculmin'rhnvh. in Bot. Mox. ]'>oundary Snrvey ined. A slender, very mucli branched and leafy perennial, 15 to 25 cm. high from creeping rootstocks, with contracted, linear, long exsertcd panicles 3 to 5 cm. long. Lower sheaths short and crowded, the npper shorter than the internodcs; ligule 1 mm. long, lacer- ate. Leaf-blades 12 to Iti mm. long, convolnte, setaceous, r i g id, a n d widely sprciading or arcuate, mucro- nate-pointed. Sl)ikelets straw- colored, 1 to 5 mm. long. Empty glumes broadly lanceolate, acute, about one-third shorter than the third or flowering glume, which is pilose for half its length and niucro- nate-pointed. I'alea \ ory acute, strongly two-nerved, pilose on back, e(inaling the flowering glume. Camp49,Plaza L
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectforageplantsunitedst
