GRASSES OP IOWA. 

 WATER FREE SUBSTANCE. 



425 



1.47 I 5 81 I (3.98) | 36.71 | 9.16 | 46.85 



Sporobolus cuspidatus, like other species of the genus, is much 

 more valuable during the earlier stages of its growth than 

 later. It is extremely common in the loess bluffs from Sioux 

 City southward and equally as common above Sioux City on 

 the west slope of the river, and presumably common also from 



Fig. 197A. Drop Seed Grass, (Sporoholus cryptandms). A good grass, although 

 wiry. Common In western Iowa. (F. Lamson-Scribner, Div. Agrost. 

 U. S. Dept. Agrl.) 



Sioux City north to the Minnesota line. The grass may be 

 found occasionally as far east as Ames, Des Moines, and more 

 or less common in Kossuth aud Palo Alto counties. This 

 grass has a well developed root system and is valuable there- 



