HOKDE.E. 639 



habit, low size, and smooth, rigid, sometimes glaucous leaves. 

 Found only high up on mountains near the timber line, growing 

 in scattered tufts. Named for Prof. F. L. Scribner. 



In the Sierras, Priii(jh>; Colorado, Patterson; Montana, Scrib- 

 ner; Wasliington, Tiveeihj. 



7. A. caninum (L.) lioauv. Agrost. 102 (1812). Tritirum 

 rammim L. Sp. PI. 86 (ir53). 



A smooth perennial, 70-90 cm. high, culms slender, rather weak. 

 Leaves 4-5 in number, sheatlis smootli; ligule very short; blades 

 thin, 10-35 cm. long, 5-12 mm. wide, taper-pointed. Spike nar- 

 row, flexuose or slightly nodding, 10-17 cm. long. Spikelets 3-5- 

 flowero;!; empty glumes with scarious wing-margins above, nearly 

 equal, with 3-5 conspicuous nerves, first 7-9 mm. long, second a 

 little longer; lloral glume 8-9 mm. loTig, awn 2-18 mm. long, 

 flexuose; paloa longer than the floral glume. fJrain adherent. 



Maine, Feruahl 196; Vermont, Prim/tc; Michigan, Prentiss, 

 Beat 164, KiG. Wlwelcr 165, Farwell; Montana, Anderson 28; 

 Utah, Jones; Arizona, 7h /imei/ 7 Gl; Minnesota, Arthur }\ 4^2. 



New Kngland to California. 



8. A. violaceum (Tlornm.) Vasey, Grass. V. S., Special Kept. 

 Dept. Agricul. 45 (1883). Triticnm violaceum Ilornm. Fl. Dan. 

 t. 2044 (1832). 



Perhaps this is a northern or alpine form of A. rn)ii}iiiui R. Sc 

 S., from which it dill'ers in having a culm 30-50 cm. liigh, leaves 

 3-4 in number. l)hi(les proportionally shorter. S])ike 3-S-12 cm. 

 long, narrow, strict, more or less tinged with violet. Si)ikelets 3-5- 

 flowered ; floral glume wider than in A. raninnin, not so firm, 

 nerves more })ro!nincnt, awn short or none; ])alea shorter than the 

 floral glume, pectiuate-ciliute. 



New ITaiiipshire. Pri//f/Je, Faxon 20. 23, TLisfuril : Colorado, 

 Cfassidy for U. S. Dept Agricul.: ^lichigaii. Wlirvlcr, F((ni'rU ; 

 Minnesota, Arflntr li 494; AVvoiiiin--, A'////'///// C 30. C 4."). 



Mountains of New England. New ^'ork. nonlierii Minnesota, 

 Colorado. California, and northward; also found in Europe. 



Plants collected in Crinnell Land by Lieut. Greely are 8-15 

 cm. high, with short spikes ami densely pubescent glumes, which 



