30 



The Bulletin. 



vesting, the heads are cut close to the ground and the outer leaves re- 

 moved. Owing to the difference in the time required for the heading of 

 each plant, the entire crop cannot be harvested at one cutting. During 



Fig. 18. — Properly Packed Basket Ready for Cover. (Photo by H. H. Hume.) 



Fig. 19. — Lettuce Packed Ready for Shipment. (Photo by H. H. Hume.) 



