AOHOSTIDK.E. 



313 



yollowisli sliiuing green, 3-8 cm. long, 1-3 cm. diam. Spikelets 

 iiiirrow, very numerous, nearly concealed by the slender awns, the 

 hairs at the base few and very short, narrow, about 3 mm. long; 

 em[)ty glumes })ubescent or elliate, obtuse or retusc. elliptical, 

 1-nerved, awns 4-7 mm. long; floral glume 1 mm. long, broad hya- 

 line, truncate-jagged, awu as long as the lloret, shorter or wanting; 

 palca L'-tocthed. 



(Jeorgia, r'Afr/i; 3951; Kansas, Ilenri/; Colorado, rc/.v.v/r///; ^Mon- 

 tana, AiulerHon 18; Washington, Ijtke, Sanilln'ni 380; Oregon, 

 J/otri'U; California, Sones 100, Farifih 8G8; Arizona, 7'(iiniiri/ 773. 



Introduced on the coast of both oceans; also in Colorado, Mon- 

 tana, Nevada, Ttah, Kansas; also found in Australia aiul in most 

 tcini)crate ami subtropical regions of the Old World. It is considered 

 a weed, though it is sometimes cultivated for ornament. 



3. V. 51 A urn MI'S Willd. Ges. Xaturf. Fr. ^eue Schr. 3:443 

 (1801). AloperurHs iiiarifiiiiifs Toir. Encyc. 8:780 (1804). 



An erect annual; culms sim- 

 ple, 15-30 cm. high. Ligule 4 

 mm. long; blades Hat. Spike 

 dense, 3-4 cm. long. Ein{)ty 

 glumes equal, villous at the tips 

 and 3-lobed, awn 4-G mm. long; 

 lloral glume 7 mm. long, 4- 

 toothed. 



Introduced on the sea shore of 

 Xorth and South Carolina, Chap- 

 man. 



3. P. elongatus (Poir.) 11. 13. 

 K. Nov. Gen. et Sp. 1 : 134 (1815). 

 Alopecurus elonf/a/iis Poir. En- 

 cycl. Suppl. 5:495 (1804). 



Erect, geniculate below, GO- 

 90 cm. high. Sheaths smooth, 



about the length of the inter- f^j. rA.-Pol>/pofjon elongatm. A, 

 nodes; upper ligule broad, o])tuse, s^pikclot; «, tloiei. (Scrilmer.) 

 4-G mm. long; blades Hat, neurlv smooth, 13-lG cm. long, 4.7 mm. 



