GRASS FAMILY 



143 



22. ALOPECURUS L. Sp. PI. 60. 1753. 



Spikelets 1-flowered, disarticulating below the glumes, falling entire, strongly com- 

 pressed laterally, the rachilla not produced ; glumes equal, awnless, usually united at base, 

 ciliate on the keel ; lemma about as long as the glumes, 5-nerved, obtuse, connate at base, 

 bearing from below the middle a slender dorsal awn, this included or exserted 2 or 3 

 times the length of the spikelet; palea wanting. Low or moderately tall perennial grasses 

 with flat blades and soft dense spikelike panicles. [Greek, foxtail.] 



Species about 25 in temperate regions of the northern hemisphere. Type species, Alof'ecunis pratensis L. 



Awn included or exserted only about 1 mm. 1. A. aequalis. 



Awn exserted the length of the glurries or more. 2. A. saccatus. 



1. Alopecurus aequalis Sobol. 

 Little Meadow-foxtail. Fig. 313. 



Alopecurus aequalis Sobol. Fl. Petrop. 16. 1799. 



Alopecurus arisUilatus Michx. Fl. Bor. Am. 1: 43. 1803. 



Alopecurus fulvus J. E. Smith, Engl. Bot. pi. 1467. 1805. 



Alopecurus gcniculatus aristulatus Torr. Fl. North. & Mid. 

 U. S. 2: 97. 1823. 



Alopecurus geniculatus fulvus Schvdid. Linnaea 12: 424. 1838. 



Alopecurus hoivellii merrimani Beal, Grasses N. Am. 2: 278. 

 1896. 



Alopecurits howcllii mcrriami Beal; Macoun in Jordan, Fur 

 Seals North Pacif. 3: 573. 1899. 



Culms erect or spreading, 15-60 cm. tall; panicles 

 narrow-cylindric. 2-7 cm. long, about 4 mm. wide ; 

 glumes 2 mm. long; awn of lemma short, scarcely 

 exserted. 



In water and wet places, in the Transition Zone; through- 

 out the mountains of our region and the cooler parts of 

 North America. May-July. Type locality: Russia. 



2. Alopecurus saccatus Vasey. 

 Pacific Meadow-foxtail. Fig. 314. 



Alopecurus saccatus Vasey, Bot. Gaz. 6: 290. 1881. 



Alopecurus howellii Vasey, Bull. Torrey Club 15: 12. 1888. 



Alopecurus calif ornicus Vasey, Bull. Torrey Club 15 : 13. 1888. 



Alopecurus pallescens Piper, Fl. Palouse 18. 1901. 



Culms 15-60 cm. tall; sheaths inflated; panicles 

 oblong, 2-5 cm. long, about 6 mm. wide; glumes 

 3-4 mm. long ; lemma sparsely pilose on the sides, 

 the awn exserted, about 3-5 mm. 



Meadows and wet places, in the Transition Zone, California 

 to Washington and Idaho. May-June. Type locality: eastern 

 Oregon. 



Alopecurus geniculatus L., with more decumbent base and 

 S]iikelets with awns ]}rotruding 2-3 mm., is known on Pacific 

 Coast only from Falcon Valley, Washington, and Portland, 

 Oregon. 



Alopecurus pratensis L., meadow foxtail, with silky heads 

 5-10 cm. long and 6-8 mm. thick, has been found escaped from 

 cultivation, at Corvallis, Oregon. 



Alopecurus agrestis L., with more slender nearly glabrous 

 Iieads, has been found at Linnton, Oregon (Nelson) . 



23. COLEANTHUS Seidel, Roem. & Schtilt. Syst. Veg. 2: 276. 1817. 



[ScHMiDTiA Tratt. Fl. Oesterr. Kaiserth. 1: 12. pi 10. 1816, not Moench, 1802.] 



Spikelets 1-flowered; glumes wanting; lemma ovate, hyaline, terminating in a short awn; 

 palea broad, 2-keeled. A low annual with short flat blades and small few-flowered panicles. 

 [Greek, sheath-flower, referring to the inflated sheaths.] 



Species 1, northern Eurasia, introduced in America. Type species, Schmidtia subtilis Tratt. 



