No. 24. 



ALOPECURUS A LP IN US Smith, Fl. Brit. iii. 1386 

 1126. 



Engl. Bot, xvi. t. 



Plant perennial, with a running' rootstock, sometimes in bunches, but usually 

 single culms in a place. 



Culms erect, simple, robust, smooth, 6 to 20 inches high. 



Leaves of culm 3 to 5; sheaths vagmate, open at the throat, striate, smooth, 

 nearly equaling or exceeding the internodes; blades fiat, hispid above, nearly smooth 

 below, 2 to 3 lines wide, 2 to 6 inches long, the upper one shorter than its sheath; 

 ligule membranaceous, obtuse, £ to 1 line long. 



Inflorescence a dense, ovoid or oblong, spike-like panicle J to 1 inch long and £ as 

 thick. 



Spikelets 1-flowered, elliptical, compressed, If to 2 lines long; empty glumes dis- 

 tinct nearly to the base, oblong, acute or abruptly acuminate, carinate, villose, 3-nerved, 

 equal, If to 2 lines long; floral glume nearly rotund, the margins united | the length 

 from the base, ciliate at the obtuse apex, pubescent on the back above, membran- 

 aceous, 4- or 5-nerved, 1£ lines long; awn dorsal, arising near the middle of the glume, 

 slightly curved, exserted half its length; palet lanceolate, acute, slightly pubescent 

 at the apex, 1-nerved; stigmas 2, slender, plumose; grain pear-shaped, compressed, 

 yellow, nearly 1 line long. 



Plate XXIV; 1, plant with mature spikelets; 

 times; & 1 , floral glume. 



l , spikelet enlarged about 18 



Alaska from Point Barrow southward along the coast to Sitka and in the high 

 mountain regions extending to Colorado; growing mostly in gravelly soil; very vari- 

 able, 



No. 24. 



ALOPECURUS STEJNEGERI Vasey, Proc. TJ. S. Nat. Mus. x. 153. 



Plant perennial. 



Culms rather thick but weak, geniculate and decumbent below, smooth, 6 to 12 

 inches high. 



Leaves of culm 3 or 4; sheaths loose, upper one inflated, smooch, exceeding the 

 internodes; blades lanceolate, flat, nearly smooth on both sides, 2 to 4 inches long; 

 ligule prominent, membranaceous, truncate, 2 lines long. 



Inflorescence a dense, woolly, spicate, ovoid panicle 1 inch long and £ as thick. 



Spikelets 1-flowered, compressed, 2£ to 3 lines long, 1 line wide; empty glumes 

 connate near the base, lance-ovate, acute, very villous, thin, 3-nerved, equal, 2£ to 3 

 lines long; floral glume broadly ovate, barely acute, hyaline, sparsely pubescent or 

 villose near the apex, especially on the keel, 5-nerved, 2 lines long; awn arising near 

 the base of the glume, slender, exserted half its length, slightly dilated at the middle; 

 palet small or wanting; stigmas 2, exserted, plumose. 



Plate XXIV; 2, 

 floral glume side view 



plant natural size; a 2 , spikelet enlarged about 12 times; //, 



Collected by Dr. Stejneger on the Commander Islands, in Bering Sea. It prob- 



ably extends to the Aleutian Islands 

 States territory. 



but has not yet been reported from United 



