AVKNK.K 377 



r. T. ipicatum (L.) Uichtor, IM. Kiir. 1 : 59 (IH'.iO). Aira spintfa 

 li. Sp. L. •(3 (1 ;;'):]). J//7/ sitLopirafd L. Svst. \'t'g. Ktl. lU:(iT3 

 (l?;)!t). y. .'< uhfijn'nif inn of liulhitrn. 



A variiiblo tul'tcd iHTfiinial, lO-OO cm. lii;;li. Slicutlis juiIr's- 

 (!ont. ;J cm. lon^, 4 mm. wklu; li^'ulo Viiriul)lt', scurioiis; bladerf 

 Hat, ;;lal)r()ii8 or scuIji'ous. I'aiiicio 3-10 (!m. long, ()..'>•.' cm. diam., 

 (li'iisc and spikdikc or inlcrruplud, silvcry-rthiiiiiig, ot'lcii i»iir|ilc. 

 Spikclcts llattctiod, 2-3-llowcn'd, ruchillu producod bcvoiid iuto u 

 slender briritlc or terminal glume; empty glum.'s 4-(i mm. long, 

 linear-lauceolate or oval-lanceolate, lirst l-IJ-nervcd, second 3- 

 nervc'il; lloral glume ob.scurely 3-5-norved, 3-(5 mm. long to the 

 tips of the teetb, awn very short or usually extending more than 

 imlf its length above its glume; palea '-i-toothed. Anthers short. 



Vliih, ,/oiirs Woi'r, Montana, Tivi'vihi Gill; Wyoming, /iiijfiDii 

 V 30; Washington, Samlbvnj, J/oirrfl 4*^;}; Oregon, Ilotcel/; Cali- 

 fornia, J'n'iii/ii'. 



Var. moUe (.Midix.). A. Gray, Man. Ed. 2: sr-i (ISr.O). Airnn 

 m>ni,s Michx. I'M. Hor. Am. 1:73 (1803). T. molh' Kiinth, Ifev. 

 Gram. 1: 101 (lS^>!»-35). 



Culms and leaves minutely soft downy. 



Xen Hampshire, Fa.ron 17; Vermont. PriHfilv: Micliigan, For- 

 well; Utali, -/o//<'.s' for Srrihnei' 354.'); l'. S. Geol. Surv. of 40th 

 Par., S. Wiitsiiti i:)43; Oregon, llmrrlL 



'I'his polymorphous species is widely distributcMJ in tlic mouJi- 

 tainous regions of Europe, Australia, Ni'W England. Lake Superior, 

 Ikocky Mountains, California to Alaska, Canada ami Hritisli 

 America. The (juality for feeding is probaly not very good, but in 

 some portions of the country it funushes a good deal of pasture. 



8. T. Toluccense U, H. K. Kunth, Gram. 1:101,297. /.On 

 (1835). Avena Toluccense II. H. K. Nov. Gen. et. So. 1:14K 

 (1815). 



A perennial 25-35 cm. Idgh. with rootstocks and numerous 

 sterile shoots; culms clothed with sliort i)ubescen(!e. Leaves slightly 

 scabrous, sheaths loose, covering the nodes; ligule lacerate, 2-3 mm. 

 long; blades Hat, 3-S cm. long, 3-4 mm. wide. Panicle 4-(i cm. 

 long, 8-12 mm. diam., dense and spikelike or interrupted below, 



