CUCUEBITACEiE 



609 



Fig. Z48. — Cross-section of mature fruit of cucumber (Cucumis sativus). 



Fig. 249. — Germination of pumpkin (Big 

 pegs functioning in the removal of the coats. 

 Roberts.) 



Tom) seeds, showing the 

 {After Crocker, Knight and 



,3Q 



