144 Phalarideae Hierochloe* 



west of Washington, Daviess County. In 1938 Kriebel found it here and 

 in a woods a mile southwest of Plainville and in a woods 4 miles north of 

 Washington. 



Coastal Plain, N. J., Fla., and Tex. ; in the Mississippi Valley, Ind., Tenn., 

 Kans., and southw. 



102-288. CHLORIS Sw. 



See excluded species no. 72, p. 1029. 



104-195. BOUTELOUA Lag. Grama Grass 



1. Bouteloua curtipendula (Michx.) Torr. (Atheropogon curtipendulus 

 (Michx.) Fourn.) Side-oats Gram A. Map 256. Very local in the state 

 and usually restricted to small areas. It is found in dry soil, either sandy 

 or clayey, on sandy knolls, gravelly hills and slopes, and on bluffs of 

 streams. 



Maine, Ont. to Mont., southw. to Md., W. Va., Ala., Tex., Ariz., and s. 

 Calif. ; introduced in S. C. 



7. PHALARIDEAE Link. Canary Grass Tribe 



Glumes 1-nerved; sterile lemmas awned 109. Anthoxanthum, p. 144. 



Glumes 3-nerved (sometimes the lateral pair of the first glume faint) ; lemmas not 

 awned. 



Glumes very thin, not keeled 108. Hierochloe, p. 144. 



Glumes firm, strongly keeled 110. Phalaris, p. 144. 



108-206. HIEROCHLOE R. Br. 



1. Hierochloe odorata (L.) Beauv. (Hierochloe odorata (L.) Wahl., 

 Savastana odorata (L.) Scribn., and Hierochloe odorata var. fragrans 

 (Willd.) Richt.) Sweetgrass. Map 257. Infrequent in some of our north- 

 ern counties where it is usually found in open marshes. I have one speci- 

 men from mucky soil of a fallow cornfield. 



Lab. to Alaska, southw. to N. J., Ind., Iowa, Oreg., and in the mts. to 

 N. Mex. and Ariz. 



109-205. ANTHOXANTHUM L. 



1. Anthoxanthum odoratum L. Sweet Vernalgrass. Map 258. While 

 this grass has been reported from all parts of the eastern United States, 

 in Indiana it has been reported from only 2 counties in addition to those 

 shown on the map. Found along railroads and in pastures, waste places, 

 and meadows. 



Nat. of Eurasia; Greenland and Newf. to La. and Mich., and on the 

 Pacific coast from B. C. to n. Calif. 



110-204. PHALARIS L. Canary Grass 



Inflorescence 6-16 cm long; glumes not dilated above the middle; fertile floret about 

 3.5 mm long 1. P. arundinacea. 



Inflorescence 2-4 cm long; glumes dilated above the middle; fertile floret about 5 mm 

 long. (See excluded species no. 73, p. 1029.) P. canariensis. 



