AVEXE.E. 377 



7. T. spicatum (L.) Ricliter, PI. Eur. 1 : 59 (1890). Aira spicata 

 L. Sp. L. 03 (1753). Aira SKbspicata L. Syst. Veg. Ed. 10:073 

 (1759). T. subspicatum of authors. 



A variable tufted perennial, 10-00 cm. liigli. Sheaths pubes- 

 cent, 3 cm. long, 4 mm. wide; ligule variable, scarious; blades 

 flat, glabrous or scabrous. Panicle 3-10 cm. long, 0.5-2 cm. diam., 

 dense and spikelike or interrupted, silvery-shining, often purple. 

 Spikelets flattened, 2-3-flowered, rachilla produced beyond into a 

 slender bristle or terminal glume; empty glumss 4-0 mm. long, 

 liiiear-laneeolate or oval-lanceolate, first 1-3-nerved, second 3- 

 nerved; floral glume obscurely 3-5-nerved, 3-0 mm. long to the 

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

 half its length above its glume; palea 2-toothed. Anthers short. 



Utah, Jones 1150; Montana, Tweedy 019; Wyoming, Buffum 

 C 39; Washington, Sandherg, Hoivell 423; Oregon, Hoivell; Cali- 

 fornia, PringU. 



Var. moUe (Miclix.). A. Gray, Man. Ed. 2: 572 (1850). Avena 

 mollis W\q\\^. F1. Bor. Am. 1:72 (1803). T. molle Kunth, Rev. 

 Gram. 1:101 (1829-35). 



Culms and leaves minutely soft downy. 



New Hampshire, Faxon 17; Vermont, Pr ingle; Michigan, Far- 

 well; Utah, Jones for Scrihner 3545 ; U. S. Geol. Surv. of 40th 

 P'ar., S. Watson 1343; Oregon, Howell. 



This polymorphous species is widely distributed in the moun- 

 tainous regions of Europe, Australia, New England, Lake Superior, 

 Eocky Mountains, California to Alaska, Canada and British 

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

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



8. T. Toluccense H. B. K. Kunth, Gram. 1 : 101, 297, f. 00 

 (1835). Avena Toluccense H. B. K. Nov. Gen. et. Sp. 1:148 

 (1815). 



A perennial 25-35 cm. higli, with rootstocks and numerous 

 sterile shoots; culms clothed with short pubescence. Leaves slightly 

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

 long; blades flat, 3-8 cm. long, 3-4 mm. wide. Panicle 4-0 cm. 

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



