4, 5, acicularis (L.) R. & S. Small tufted perennials with mat-forming 
extensively creeping very slender threadlike stolons; stems 5-8 cm, tall, 
very slender, the sheaths about 1 cm. long; spikes narrowly ovoid, acute, 
5-5 mm, long, the scales ovate, 2=2.5 mm, long, reddish-purple with a 
green midrib and very thin hyaline margins; bristles usually 5-43 style 
s-cleft; -chenes hardly 1 mn, long, elliptical, green, ribbed with several 
longitudinal ribs, connected by minute transverse ridges about 40-50 in 
each series; style base conical, 
Pend Oreille Re, Lyall; Upver Priest Lake, Epling 7819, 
5e Ey Engelmannii Gteud,) ver. monticola (Fern.) Svenson. An annual tufted 
herb with fibrous roots, the stems 3-30 om.tall, the sheaths 1-3 em, long; 
spikes ovate-cylindrical, acute rather than obtuse, 2 1/2=-3 times as long 
as broad, rounded at the base, 8-12 mm, long; scales broadly ovate, brown 
with paler margins and midribss style 2-cleft® achenes 1.5 m, long, straw = 
colored, broadly obovate, flattened, shining, the margin very acute, the 
tubercle about 1/4. the length of the achene, hardly constricted, broadly 
triangular, drying browns bristles 6-8, hardly exceeding the achene or shorter, 
Widely scattered but infrequent; reported from near the mouth of the 
St. Joe R, by Piner. Youth to N. Mex, and Ariz. 
6. Ee obtusa (Willd, ) Schultes. A tufted annual with fibrous roots, the 
stems very unequal in length in each tuft, 3-25 em, tall, the sheaths 1-3 
cm, long; spikes ovate, very obtuse, about tiice as long.as broad, 3-10 mm, 
long on the same plent, obtuse, rounded et th- ase; scales obovate, 2=2,5 
mm, long, reddish=purple with a green midrib and thin margins; style 2-cleft; 
echene 1,5 mm. lone, stravecolored, broadly obovate, flattened, shining, the 
margin very acute, the tubercle about 1/3 the length of the achene, broadly 
conical, lishtly constricted at the base, drying browns; bristles 6-8 
? 
15 fo a =) a * 4 P 
excceding the acnene, 
addy places, volley of Coeur d'Alene Xey Sandbere 6493 Kooskooskee Valley, 
Geyer 4943 Lake Pend Oreille, lLeiberg 311; Bungalow R, Se, Epling & Houck 9290. 
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