130 BOTANY OF LA SALLE COUNTY. 



Agrostis al ba. White Bent-Grass. 



A. al ba van vulg-a ris. Red Top. 



A. sea bra. Hair Grass. 



Calamagros tis Canadensis. Blue joint. 



C. long-ifo lia. 



Dantho nia- spica ta. Wild Oats. 



Cyn odon Dae tylon. 



Boutel oua racemo sa. P. Spikes drooping-. 



Phrag-ni tes commu nis. P. Tall, stout, with run- 

 ning 1 roots. 



Eaton ia obtusa ta. P. Stems in tufts; sheaths 

 some downy. 



Eragros tis rep tans. Creeping-. By streams. 



E. ma jor. Spreading'. Sandy lands. 



E. pilo sa. A. Gravelly places, 



E. Fran kii. Branched and spreading-. 



E. capilla ris. Panicle larg-e. 



E- pictinaceae. Dry andy lands. 



Mel ica mu tica. Leaves flat, soft. 



Diarrhe na America na. Smooth; roots with runners. 



Dae tylis g-lomerata. Orchard Grass. 



Poa compres sa. Wire Grass. Running-; stems 



flattened. 



P. praten sis. June Grass, Spear Grass. 

 P. Sylves tris. Stems flattish; branches in 5's or 



more. 

 Gl} 7 ceria Canaden sis. Stout. 2 to 3 ft.; leaves long-, 



rougfhish. 



G. nerva ta. Branches become drooping-. 

 B. G. flui tans. Leaves short, broad, smooth. 



Festu ca tenel la. Flowers in one-sided, panicled 



spikes. 



F. ela tior var. praten sis. 



Bro mus Kal mii. Wild Chess Cheat. 

 B. secal inus. Cheat or Chess 



