FESTUCEiE. 013 



•and longer; floral glume slightly keeled, elliptical when spread, 5-7- 

 nerved, 0-10 mm. long, awnless or with a very short awn. 



Introduced from Europe, and in some places highly spoken of 

 as a rather coarse grass for light soil. 



«5. B. depauperatus Presl. Ilel. Ilaenk. 1 : 263 (1830). 



A rather slender erect annual, 00-flO cm. high. Blades of 

 sterile shoots convolute-setaceous, 30-40 cm. long, sheaths of tlie 

 cnlm-leaves smooth or pubescent, half or two-thirds as long as the 

 internodes; ligule 2 mm. long; blades of the culm flat, smooth or 

 scabrous, 7-12 cm. long, 3-5 mm. wide. Panicle much exserted, 

 thin, pyramidal or ovoid, 15-18 cm, long, rays in twos or throes. 

 3-5 cm, distant, s])roading. the longest 4-7 cm. long, bearing 2 

 spikelets. Spikelets lanceolate, 3-llo\vered, a])Out 2 cm. long; 

 empty glumes thin, first 7 mm, long, second 10 mm, long; floral 

 glume lanceolate, becoming terete, scabrous, 5-nerved, 11 mm, long; 

 palea as long as its glume or longer, 



(.!alifornia (Sun Diego), Bitlander, Kelloycf. 



7. B, STKRiLis L, So. PI. 77 (1753), H. aniplux 0. Kooli, 

 Linuiva, 21:41S (1848), 



A soft erect annual, 30-!t0 cm, higli, Slioaths about tbe length 

 of the internodes, til roat ciliato; ligiilo fringed, 2 nini. lojig; bhides 

 of the culm 4 in number, flat, jiilose, 12-15 cm. long, 3-G mm, wide. 

 Panicle lax and open, 15-25 cm, long, niys scabrous in lialf-whorls of 

 throe to four, the longest 8-10 cm. long, and nearly all bearing each 

 only a single drooping s])ikolet. Spikelets linear-lanceolate. 0-8- 

 flowcrod, joints of rachilla 3 mm. long; em])ty glumes tapering 

 from the base, first 1-norved, S-10 mm. long, less than 1 mm, wide 

 at the base, second 3-nerve(l, 10-14 mm. long, 1,7 mm. wide; floral 

 glume 5-7-nerved, lG-19 mm. long, including tlie slender hyaline 

 points, awn 20-30 mm. long; ])alea. concealed by the boat-shaped 

 grain. Widely distributed in cultivation in waste i)laces. 

 .Litroduccd from Euro[)e. 



8. B, virens Buckl, Proc. Acad, Phila. 98 (1803). GeniUwlihn 

 yrnndijlora Hook, Fl. lior. Am. 2:253. (1840). />'. iraokcrinnus 

 Thurb. Bot, Wilkes Exped. 2:493 (1874), 



An erect tufted rather slender perennial, 20-00 cm. high. 



