FESTUCE.E. 



623 



1. D. sicuLA Dum. 1. c. 



A smooth erect auuual, 20-30 cm, high. Leaves 3-4 in number, 

 ligulel.5-'-' nmi. long; blades thin, 5-8 em. 

 long, 1.5-2 mm, long. Panicle sjiikelike, 

 4-6 cm. long. Spikelets ovate to linear, 

 8-30-flowered, 10-15 mm. long; empty 

 glumes ovate, first 3-5-uerved, second 4-7- 

 nerved; floral glume 4-5 mm. long. 



Colorado, Cassi(/i/ in 1885. 



Kot unfrequently cultivated for orna- 

 ment. 



123. (249). DaCTYLIS L, Sp. PI. 71 Fig. lOS. - Demazeria si 

 (1753). Amaxitis Adans. Fam, 2 : 34 (1763). '"'^ ,i'. Mkelet, a 

 Spikelets several-flowered, much flattened, 



sessile and densely crowded in tliick one-sided clusters, arranged 

 in a short irregular spike or at the ends of the short branches 

 of a dense irregular one-sided panicle, rachilla glabrous, inarticulate 

 or tardily articulate between the florets. Empty glumes firm, thin, 

 keeled, mucronate, unequal, 3-nerved; floral glume larger, scabrous, 

 cartilaginous, 3-5-nerved, the ciliolate keel produced into a point 

 or short awn; palea little shorter than its glume, 2-keeled. Stamens 

 3. Grain obcompressed, concave or broadly furrowed, included by 

 glume and palea, but not adhering, 



A perennial tufted grass with flat-keeled or couduplicate leaf- 

 blades. 



There is only a single species, sometimes sejiarated into two or 

 more. Common in Europe, temperate Asia, and northern Africa, 

 and now naturalized in many parts of Australia and Xortli 

 America, 



1. D. GLOMERATA L. 1, C. OrCHARD-GRASS. CoCK'S-FOOT. 



D. altaica Bess. Schult. Mant. 2:026 (1824). D. ahhreviata 

 Bernh. Link, Ilort. Berol. 1:153 (1827). D. rapitata Schult. 

 Mant. 1. 0. D. ciliata Opiz, Xym. Consp. 819. D. gJaucescens 

 AVilld. Enuni. llort. Berol. 111. D. Itispanica lloth, Catalecta, 

 1:8. D. Ortman)da)ia Opiz, Seznam, 36. D. pen dula Dum. Obs. 

 Gram. Belg. 146. D. vil/iis(( Teuore, Prod. Fl. Xap. p. 9. 



