No. 27. 

 ALOPECURUS HOWELLII Yasey, Bull. Torr. Club, xv. 12. 



Plant low, tufted, annual, often purplish throughout. 



Culms erect or somewhat geniculate, mostly simple, smooth, 3 to 6 inches high. 



Leaves of culm usually 3 ; sheaths rather loose or vaginate, upper one more inflated, 

 smooth, striate, the lower shorter than iuternodes, with narrow or filiform-convolute 

 blades, hispid below, exceeding the culm, upper sheath exceeding the internode with a 

 shorter blade; ligule membranaceous, obtuse, 1 line long. 



Inflorescence a cylindrical, spicate panicle 1 inch long or less, usually included at 

 base. 



Spikelets compressed, elliptical, 1-flowered, 1J to H lines long; empty glumes 

 slightly united at base, oblong, obtuse, carinate, scarious on the margins, ciliate on the 

 keel and silky-pubescent on the lateral nerves and near the base, 1| to H lines long; 

 floral glume broadly ovate-oblong, truncate, thin, smooth, 4-nerved, equaling the empty 

 glumes; awn arising below the middle of the glume, slender and naked below, bent, 

 3 lines long ; palet wanting. 



Plate XXVII; 1, plant natural size; a 1 , spikelet, side view; b ', floret, side view. 



In wet soil, Oregon. 



No. 27. 

 ALOPECURUS MACOUNII Vasey, Bull. Torr. Club, xv. 12. 



Plant low, annual, tufted, 2 or 3 culms in a stool. 



Culms erect or slightly geniculate below, slender, smooth, 3 to inches high. 



Leaves of culm usually 2; sheaths slightly inflated, striate, smooth, 1 to 1J inches 

 long; blades flat or folded, narrow, acuminate, 1 inch long or less; ligule membra- 

 naceous, 1 line long. 



Inflorescence an oblong, spicate panicle 1 inch or less long and £ inch thick, long 

 peduncled. 



Spikelets compressed, lance-oblong, 1-flowered, 1^- to 1£ lines long; empty glumes 

 slightly united at the base, oblong, obtuse, carinate, scarious at the apex, ciliate on the 

 keel, and pubescent on the lateral nerves, 1J to H lines long; floral glume broadly 

 oblong, truncate, margins united to the middle, smooth, 1-uerved, nearly equaling the 

 empty glumes; awn arising near the base of the glume, straight, 2 J lines long; palet 

 wanting; grain broadly lanceolate, oblique, dark brown, £ line long. 



Plate XXVII; 2, plant natural size; a 2 , spikelet, side view; b 2 , floret, side view. 



On dry rocks, Vancouver Island. 



