GRASSES OF IOWA. 168 



DISTRIBUTION. 



Iowa. Mason City (Pammel) ; Ames (32 Ball, Sirrine, Crazier, 

 Hitchcock, Bessey) ; Greenfield (Stewart) ; 2229, Ft. Dodge (Pammel 

 and Sokol) ; Nora Junction, Rock Rapids, Granite, Spirit Lake 

 (Shimek) ; Hawarden, Carroll, Carnarvon, 931 Kossuth County, 809 

 and 741 Kossuth County, 173 Ames, Dakota City, 1296 Jewell Junc- 

 tion (Pammel) ; 1070 Emmet County (Cratty) ; Alt. Pleasant 

 (Mills); 1239, Muscatine (Pammel and Reppert) ; 708 Forest City 

 (Peters) ; 1054 Emmet County (Cratty) ; 1054 Armstrong (Cratty) ; 

 Marshalltown (Stewart) ; Spirit Lake, Nora Junction (Shimek) ; Ham- 

 ilton to Hancock Counties (Preston) ; Ames (Pammel) ; State Center 

 (Pammel) ; Carnforth (Pammel) ; Steamboat Rock (Miss King) ; Mil- 

 ford (Shimek). 



North America. From Connecticut to Pennsylvania; west to Illi- 

 nois, Wisconsin, Minnesota (Winona, Holsinger), south through Iowa, 

 Missouri (Jefferson, Webster, Eggert), Texas; Nebraska (Ainsworth, 

 Clements), Wyoming to Assinoboia and Quebec. 



10. CINNA. 



Cinna L. Sp. PI. 5. 1753. L. Gen. IS. Endlicher. Gen. PI. 89. 

 Bentham and Hooker Gen. PI. 3: 1151. Hackel in Engler and Prantl. Nat. 

 Pflanz. Fam. II. 2: 50. Scribner. Bnll. U. S. Dept. Agrl. Div. Agros. 20: 

 79. ■/ 67. (Rev. ed.) 



Abola Adans. Fam. 2: 31. 



Blyttia Fries. Novit. Fl. Suec. Mant. 2: 2. 



"Spikelets 1 -flowered, much flattened, crowded in an open, flaccid 

 panicle. Empty glumes persistent, lanceolate , acute, strongly keeled, 

 rough-serrulate on the keel; the lower rather smaller, the upper a little 

 exceeding the flower, which is manifestly stalked, smooth and naked; 

 flowering glume much like the lower, longer than the palet, usually 



