482 Report or THE HORTICULTURIST. 
grown on the clay loam soils. With the third crop the results 
- were quite similar to those which were found with the second 
crop. With the fourth crop the evidence was stronger than before 
in favor of the medium heavy clay loam lightened with fairly well 
rotted stable manure, as the best of the soil mixtures which were 
tried for forcing lettuce. The lettuce which it produced was not. 
only superior to that which was grown on the sandy soil, in tex- 
ture of leaf, firmness of head and general appearance, but it was 
also heavier. In the last-named particular the results differed 
from those which were obtained with Crops II and III but other- 
wise they do not conflict with them. 
