350 



Bulletin No. 205 



[March, 



This species is described by earlier wi'iters as being native to 

 Illinois, and there seems to be no doubt on this point. It grows in 

 the water along the edges of ponds and streams or in very wet soil. 



ILLINOIS SPECIMENS: Without locality, Vaseji; lakos in Illinois, Efi fieri, July, 

 1878. COOK CO. Winnctka, Johnson, May, 1889; Engelwood, Vmbacli, July, 

 1898. DU PAGE CO. Glen Ellyn, Moffatt, May, 1894. fulton CO. Canton, Wolf. 

 LAKE CO. Gilmer, Gates, July, 1907. mchenry co. Without locality, Brendel. 

 MENARD CO. Athens, Eall, June, 1865. peoria CO. Peoria, Brendel. ST. claib 

 CO. Without locality, Brendel; Mascoutah, Welsch. 



153 



154 



151 



Figs. 151-154. — 151, A. geniculatus, inflorescence; 152, A. pratensis, spike- 

 let; 153, A. geniculaUis, spikclet; 154, A. aristulatua, spikolet 



Alopecurus penicillatus L. 



Marsh Foxtail (Figs. 151 and 153) 



Lapham '57, 544, 562; Patterson '76, 49; Flagg '78, 280; Shcrff '13, 594. 



Culms 6 inches to 2 feet tall, slender, smooth, the base itsually 

 lying along the ground, the ends erect ; sheaths smooth ; blades rough- 

 ened, 1 to 6 inches long, 1 to 4 mm. wide ; panicles with a somewhat 

 furry appearance due to the slender awns ; spikelets 2.5 to 3 mm. long, 

 the awn slightly bent, usually about twice the length of the spikelet. 



This species was introduced from Europe. It is found in wet soil, 

 especially in marshes and along the banks of ponds and streams. 



COOK CO. Englewoocl, VrntacTi, July, 1898. du page co. Glen EUyn, Bill, 

 May, 1894. effingham co. Edgewood, Holden, May, 1898. Henderson co. 

 Oquawka, Patterson, lake co. Lake Forest, Jensen, May, 1895; Lake Zurich, 

 mil, June, 1899. macoupin co. Carlinville, Eohcrtson, May, 1884. mclean co. 

 Bloomington, Burrill, May, 1894. marion co. Without locality, Lapliam; Salem, 

 M. S. Bebb in 1860; Salem, Hall, menard CO. Athens, Hall in 1861. peoria 

 CO. Peoria, Brendel; Peoria, McDonald, June, 1S90. fulaski co. P>eechwood, 

 Spencer, May, 1900. st. glair co. East St. Louis, Eggert, June, 1887; Mascou- 

 tah, Welscli. stark CO. Wady Petra, V. H. Chase 471, 



