392 Bulletin No. 205 [March, 



P. netnoralis, a European species introduced into many parts of this 



country. 



ILLINOIS SPECIMENS: Without locality, Vasey; northern Illinois, M. S. Bebb. 

 COOK CO. Skokie Marsh, Glencoe, Sherff, June, 1911; Hyde Park, Chicago, Bah 

 cock in 1873. du page co. Hinsdale,- Smif/i, May, 1903; Naperville, Umbach, 

 June, 1895. jo daviess co. Without locality, Pepoon. kankakee go. Kanka- 

 k.o, Jlill 244 in 1S73. mi'iiexry co. \\ ilho.it Ideality, Brcndcl; l^inj^ivooil, / n*e./. 

 PEORIA CO. Peoria, Brendel in 1859. stark co. Wady Petra, V. E. Chase 1459, 

 1517, 1881. 



Foa pratensis L. 

 Meadow Grass. Spear Grass. June Grass. Kentucky Blue Grass 



(Fig. 237) 



Lapham '57, 546, 579; Babcock '73, 97; Patterson '76, 51; Flagg '78, 281; 

 Brendel '87, 64; Higley and Raddin '91, 145; Huett '97, 130; Cowles '00, 106, 

 158; Gleason '07, 182; Gleason '10, 149; Gates '12, 355; Sherff '12, 420; Sherff 

 '13, 595. 



Culms cylindrical, from long, running rootstocks ; sheaths smooth, 

 the lower overlapping, the upper often shorter than the internodes;- 

 ligule about 1.5 mm. long ; blades longest at the base, from 1 to 8 inches 

 long, the basal blades longest, 1 to 6 mm. wide ; panicle densely flow- 

 ered; spikelets 3- to 5-flowered, 4 to 6 mm. long; lemmas distinctly 

 5-nerved, 3 mm. long, copiously webbed at base, the marginal and mid- 

 nerves pubescent, the others smooth. 



This species is native to Illinois and is found all over the state in 



fields and meadows. It is a popular pasture and lawn grass all over the 



country. 



ILLINOIS specimens: Without locality, Lnpham. champaign co. Urbanr., 

 Clinton, May, 1897 and 1900; Urbana, Seymour, May, 1880; Seymour, Chien, May, 

 1914; Champaign, Mosher, Oct., 1913. cook co. Ravenswood, Gates, June 1906; 

 Hyde Park, Chicago, Gates, June, 1906; Chicago, Lansing, 216; Evanston, Ship- 

 man. DU PAGE CO. Naperville, Umbach,. May, 1898. fulton ( o. Without local- 

 ity, Pepoon. JO DAVIESS co. Without locality, Pepoon. Henderson Co. 

 Oquawka, Patterson, May, 1872. henry co. Galva, V. U. CItase 1741. kane 

 CO. Elgin, Vasey. lake go. Beach, Gates, June, 1909; north of Waukegan, 

 Gates, 3037. mchenry co. Without locality, Brendel; Algonquin, Nason. peo- 

 RiA CO. Peoria, McDonald, June, 1901; Peoria, Brendel. piatt co. White Heath, 

 Mosher, May, 1914. ST. clair co. East St. Louis, Eggeri, May, 1878; Mascou- 

 tah, Welsch. stark co. Wady Petra, V. H. Chase, May, 1898. vermilion co. 

 Muncie, Mosher, May, 1914. wabash co. Key's Hill, Schneck, June, 1905; Mt. 

 Carmel, May, 1880. Woodford co. Without locality, McDonald, June, 1889. 



Poa sylvestris Gray 

 (Fig. 236) 



Patterson '76, 51; Flagg '78, 281; Brendel '87, 64; Huett '97, 130. 



Culms 1 to 3 feet tall ; sheaths smooth, shorter than the internodes ; 

 ligule 1 mm. long or less; blades 1 to 8 inches long, 2 to 6 mm. wide, 

 the basal ones always longer; panicle open, somewhat oblong, not 

 densely flowered ; spikelets 2- to 4-flowered, 2.5 to 4 mm. long, nearly 

 as broad ; lemmas about 2.5 mm. long, webbed cit base, the nerves all 

 ])rominent, the midnerve pubescent to the top. 



