145 



Fig. 139. AGROSTIS DIEGOENSIS Vasey, Bui. Torr. Bot. Club, 13 : 55. 1886. 

 {A. foiiosa Vasey, ibid, 10 : 63. 1883, not Hort. 1833.)— A strong-growing, leafy 

 perennial 6-10 dm. (2°-3i°) high, from creeping rootstocks, with pale-green, 

 narrow, and many-flowered panicles 15-20 cm. (6'-8') long, the branches erect, 

 3-7 cm. (l'-3') long, flowering above the middle. Leaf blades scabrous, 10-18 

 cm. (4'-7') long, 2-A mm. (l"-2") wide; ligule acute, 4 mm. (2") long. Spikelets 

 (a) 2-3 mm. (l"-li") long; empty glumes [b) subequal, ovate-acute; flowering 

 glume(c) obtuse, about 2 mm. (1") long, bearing a short awn above the middle, 

 orawnless. Palea wanting.— Mountains of southern California to Washington. 

 May to August. 



20801— No. 7 10 



