102 GRASSES OF IOWA. 



(Arthur) ; Woodbine (Burgess) ; Winterset, Boone (Carver) ; Arm- 

 strong, .1064 (Cratty); C res ton, 101 1 (Bettenga) ; Mt. Pleasant, 686 

 (Witte) ; Ames, 138 (Ball) ; Wild Cat Den, 1265 (Pammel and Rep- 

 pert) ; Marshalltown (Stewart) ; Muscatine (Reppert) ; Keokuk (P. 

 H. Rolfs); Fayette (Fink); near Hawarden (Pammel); Armstrong, 

 745 (Pammel and Cratty); Marshalltown (Eckles) ; Lake Okoboji 

 (Miss Wakefield); Iowa Lake, 802 Emmet County (Pammel and 

 Cratty) ; Hamilton to Hancock County (Preston) ; Granite, Spirit 

 Lake (Shimek). 



North America. From New England, New York (Madison 

 County, Parry), to Florida, Alabama, Texas (Neally), Mexico, Col- 

 orado (Ft. Collins, Crandall), California, Oregon to Nebraska, the 

 Dakotas (S. D. Redfield, Griffith) , Iowa, Minnesota, Wisconsin (La 

 Crosse, Pammel; Bloomingdale, D. S. Pammel and C. M. King), 

 Illinois (Bluff Lakes, Eggert) ; Nova Scotia to New Brunswick, Que- 

 bec, Ontario and Saskatchewan. 



General. This grass was early introduced into Europe and Asia; es- 

 pecially common in southern Europe where it has become a very bad 

 weed along irrigation ditches. It has now spread to all the warm coun- 

 tries of Europe and Asia; found also in south America. 



3. LEERSIALENTICULARIS. 



Leersia lenticularis Michx Fl. Bor. Am. 1: 39. 1803. Watson and 

 Coulter. Gray. Man. Bot. 635. 1890. (6th ed.) Scribner. Grasses of Tenn. 

 Bull. Univ. Tenn. Agrl. Exp. Sta. 7: 60. /. 66. 1891. 



Homalocenchrus lenticularis (Michx.) Kuntze Beal. Grasses of N. A. 

 2: 179. 1896. Scribntr. Bull. U. S. Dept. Agrl. Div. Agros. 7: 80. /. 74. 

 1900. (3 ed.) Kuntze Rev. Gen. PI. 2: 777. 1891. 



Homalocenchrtis lenticularis (Michx.) Scribn. Nash in Britton and 

 Brown 111. Fl. 1: 129. f. 289. 1896. Scribn. Mem. Torr. Bot. Club. 5: 33. 

 1894. 



DESCRIPTION. 



Catch Fly Grass. A rather stout, branching perennial, 2 to 3 



feet ( 4-6 cm.) high, from a creeping, scaly root-stock, with widely 



p reading, broad leaves and diffuse panicles. Nodes smooth or some- 



