FESTUCEiE. 613 



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

 nerved, 9-10 mm. long, uwnless or witli a very short awn. 



Introduced from Europe, and in 8ome places highly spoken of 

 iis a rather coarse grass for light soil. 



G. B. depauperatus Presl. Rel. Ilgenk. 1:263 (1830). 



A rather slender erect annual, 60-90 cm. high. Blades of 

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

 •culm-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 threes, 

 3-5 cm. distant, spreading, the longest '4-7 cm. long, bearing 2 

 spikelets. Spikelets lanceolate, 3-flowered, about 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. 



California (San Diego), Bolander, Kellogg. 



7. B. STERiLis L. Sp. PI. 77 (1753). B. amphis C. Koch, 

 Linnwa, 21:418 (1848). 



A soft erect annual, 30-90 cm. high. Sheaths al)Out tlie length 

 of the internodes, throat ciliate; ligule fringed, 2 mm. long; blades 

 of the culm 4 in number, flat, pilose, 12-15 cm. long, 3-6 mm. wide. 

 Panicle lax and open, 15-25 cm. long, rays scabrous in half-whorls of 

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

 only a single drooping spikelet. Spikelets linear-lanceolate, 6-8- 

 flowered, joints of rachilla 3 mm. long; empty glumes tapering 

 from the base, first 1-nerved, 8-10 mm. long, less than 1 mm. wide 

 at the base, second 3-nerved, 10-14 mm. long, 1.7 mm. wide; floral 

 glume 5-7-nerved, 16—19 mm. long, including the slender hyaline 

 points, awn 20-30 mm. long; palea concealed by the boat-shaped 

 grain. Widely distributed in cultivation in waste jilaces. 



Introduced from Europe. 



8. B. virens Buckl. Proc. Acad. Phila. 98 (1863). Ceratorldoa 

 ^randiflora Hook. Fl. Bor. Am. 2:253, (1840). B. HooJcerianus 

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



An erect tufted rather slender perennial, 20-60 cm. high. 



