20 



MASS. EXPERIMENT STATION BULLETIN 281 



Fig. 9. — Upper — Typical vejietation (mostly haircap moss) before treatment. (Exp. C:.) 

 Lower — Note abundance of white clover on area inside the fence, in left fore- 

 ground. (Exp. C. Plot 22^3L, 3P, 3K, 1929.) 



