602 POACEiE. 



Colorado (Veta Pass), Vasey in 1884. 



The plants were mixed with those labelled F. scabrella. 



21. F. dasyclada Hack. ined. 



A geniculate perennial, 20-40 cm. high. Sheatlis smooth, 

 shorter than the internodes; ligule very short, symmetrically biau- 

 ricnlate; blades of sterile shoots involute or conduplicate, the ex- 

 treme apex obtuse, 10-15 cm. long, 2 mm. wide when spread, those 

 of the culm 3-4 in number and shorter. Panicle barely exserted, 

 ovoid or pyramidal, 7-12 cm. long, rays in twos, threes, and fours, 

 flat, with ciliate margins, the longest 5-7 cm, long, bearing spikelets 

 on one side of the upper half or third. Spikelets elliptical-lanceolate, 

 2-flowered, 7 mm. long, joint of rachilla 1.5 mm. long; empty 

 glumes lanceolate, first 1-3-nerved, second 3-nerved, 6 mm. longv 

 floral glume scabrous, oval-lanceolate, 5-nerved, 6 mm. long, in- 

 cluding the short teeth, awn 3 mm. long; palea linear, ciliate on. 

 the keels, almost as long as its glume. Anthers 1.7 mm. long» 

 Ovary obovoid, apex pubescent. 



Utah, Parry in herb. Scribner; and Rocky Mountains. 



22. F. lividaAVilld. Spreng. Syst. 1:353 (1806). Bromus livi- 

 dus H. B. K. Nov. Gen. et Sp. 1 : 150, f. 689 (1815). Schedonorus 

 lividus E. & S. Syst. 2:707 (1817). HeUeria livida Fourn. Hemsl. 

 Biol. Centr. Am. Bor. 3: 582 (1880). 



Culms and leaves glabrous, the former 15-20 cm. high. Sterile 

 shoots numerous, the ligule 0.2 mm. long; blades involute, striate 

 5-sided, pungent-pointed, 2-5 cm. long, 0.6-0.8 mm. diam. Pan- 

 icle simple, rays single, the longest 2-2.5 cm. long, including the 

 3-4 spikelets. Spikelets purple, 10-12 mm. long, 4-flowered, first 

 empty glume often 2-nerved, 10-11 mm. long, second 1-2 mm. 

 longer; floral glume, elliptical, acute at both ends, 9 mm. long; 

 palea 2-8 mm. long, smooth. Grain flat. Anthers elliptical, 0.8- 

 0.9 mm. long. 



Mexico, Pringle 4304. In the crater of a volcano 14,000 feet 

 altitude. 



23. F. amplissima Rupr. Bull. Acad. Brnx. (II.) 9:236 (1842). 

 Culms i-ather stout, 30-180 cm. high, subscabrid. Leaves of 



