DESCRIPTIVE MANUAL 



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Vanilla or Holy Grass {Eierochloe iorealis Roem. and Sehultes). 

 Description. — A perennial grass with creeping, fragrant root- 

 stocks, 1/2 ft. high; panicle somewhat one-sided, 2-5 inches long; 



Fig. 14. Holy Grass, Vanilla Grass (Hierochloe iorealis). Common in north- 

 western and northern Iowa in low grounds. Creeping "roots" something like 

 Quack Grass, but with the odor of vanilla. 



(Photographed by Colbum. ) 



Fig. 14-A. Distribution of Holy Grass. 



