12 



numerous and crowded below, sheaths loose and membranaceous, 

 the blade conduplicate, narrow, 2 to 3 inches long, upper leaves, 

 (i or 2) with long sheaths and short blade ; panicle about i inch 

 long, oblong, loosely flowered, branches short, lower ones in twos, 

 upper ones single, appressed, once subdivided or single ; spikelets 

 3 to 4 lines long, three to five-flowered ; empty glumes about 2 5^ 

 lines long, lance-oblong or oblanceolate, obtuse, denticulate at 

 apex^ broadly scarious margined^ smooth, nerved near the base ; 

 flowers somewhat distant on the smooth axis, the lower ones 

 about 3 lines long, the upper shorter; flowering glumes oblong- 

 lanceolate, five-nerved, acutish, scarious margined, smooth or 

 minutely scabrous ; palet nearly as long as its glume, scabrous 

 on the keels. Panicle with a pale silvery hue. Collected by Mr. 

 Thos. Howell on the Siskiyou Mts., Oregon. 



Alopecurus Howellii. — Annual, 3 to 6 inches high ; 

 culms simple, erect or decumbent at the base, with two or three 

 nodes; culm leaves about 3, sheaths about i inch long, striate, 

 the lower shorter than the internodes, the upper one equaling or 

 longer and enclosing the base of the panicle ; ligule membrana- 

 ceous, about y^ line long ; blades narrow and elongated or filiform, 

 the lower two exceeding the culm, the upper one short, lower 

 surface strongly nerved and finely scabrous ; spike an inch long 

 or less, cylindrical-oblong, rather densely flowered ; spikelets 

 nearly i)^ fines long; empty glumes slightly united below, 

 strongly cihate on the keel and lateral nerves, obtuse, a little ex- 

 ceeding the flowering glume, which is smooth, oblong, obtuse, 

 the sides united to the middle or higher, awn from near the base, 

 about three times as long as the glume, bent at the middle. 

 Growing in wet soil. Collected in Oregon by Mr. Thos. Howell. 



Alopecurus Macounii. — Culms 4 to 6 inches high, mostly 



in clusters of two or three, erect or geniculate below ; sheaths 

 2, narrow and not much inflated, the lower one % to i inch 



long, shorter than its internode, the upper one i to i^ inches 

 long and much shorter than the culm ; ligule membranaceous, 

 about I line long, blades very short, the lower i inch, the upper 

 - to I inch long, narrow and acuminate ; spike }4 to ^ inch 

 long, oblong-cylindrical, rather dense ; spikelets i ^ lines long, 

 empty glumes slightly united below, coarsely ciliate on the keels, 



