HATCH EXPERIMENT STATION 



-OF THE- 



MASSACHUSETTS 



AGRICULTURAL COLLEGE. 



BULLETIN NO. 69. 



THE ROTTING OF GREENHOUSE LETTUCE. 



{Se^p^te^]vi:be^i^, looo. 



Tlie Bulletins of this Station ivill be sent free to all newspapers in 

 the State and to such individuals interested in farming as may request 

 the same. 



AMHKR8T, MASS. : 



PRESS OF CARPENTER & MOREHOUSE. 



1900. 



