I UK FLORA OF SCOTT AND MUSCATINE COUNTIES. 273 



965. A. 1 1 allii, Hackcl. 



Well established in several places on C. R. I. & P. Railroad 

 near Fairport. 

 Chrysopogon, Trin. 



966. C. nutans, Benth. Indian Crass. Wood Grass. 

 Dry prairies; common. 



Sorghum, 



^67. .S. Halepense, L. 



Railroad tracks, Wilton, Muscatine, Fairport. 



Phalaris, L. Canary Grass. 



968. P. arundinacea, L. Reed Canary Grass. 



Shallow water; Eldridge, Walcott, Cedar River region. 



969. P. arundinacea, L., vzx.picta, Gray. Ribbon Grass. 

 Street, Eldridge, Davenport. 



Aristida, L. Triple-awned Grass. 



970. A. basiramea, Engelm. 



Dry sandy soil ; Muscatine Island, Cedar River region, Noels. 



971. A. gracilis, Ell. 



With the last at Muscatine Island and Noels. 



972. A. oligantha, Michx. 



Becoming frequent in dense patches ; Davenport, Buffalo, 

 Blue Grass. 



973. A. tuberculosa, Nutt. 



Sandy soil, Muscatine county ; infrequent. 

 Stipa, L. 



974. S. spartea, Trin. Porcupine Grass. 

 Dry prairies; frequent. 



Oryzopsis, Michx. Mountain Rice. 



975. O. mclanocarpa, Muhl. 

 Rocky woods, Wild Cat Den. 



Muhlenbergia, Schreber. 



976. M. sobolifera, Trin. 



Rocky woods, Wild Cat Den ; rare. 



977. M. glonicrata, Trin. 

 Low grounds ; common. 



978. M. Mexicana, Trin. 

 Low grounds ; common. 



[Proc. D. A. S., Vol. VIII.) 35 [Aug. 22, 1900.] 



