34 



Principles of Plant Culture. 



from the seed-case and is hampered for a time. This 

 provision is peculiar to the pumpkin family,* to which 

 the pumpkin, squash, cucumber and melon belong, 

 though other provisions which accomplish the same end 

 are found in a few other families, but many plants are 



Fig. 7. Showing nature's provision to enable the pumpkin plantlel 

 to escape from the seed-case. In B, the hoolf on the hypocotyl is at- 

 tached to the lower half of the seed-case. A shows the same after 

 germination is farther advanced. A fully-germinated pumpkin plantlet 

 is shown at Fig. 8. 



considerably held back by the seed-case during ger- 

 mination. 



42. Seeds of the Pumpkin Family should be Planted 

 Flatwise, rather than edgewise or endwise, since in this 

 position they most readily free themselves from the 

 seed-ease. 



43. Some Plantlets Need Help to Burst the Seed- 

 Case. In many seeds having hard and strong seed- 

 cases, as the walnut, butternut and hickory nut and the 

 pits of the plum, peach and cherry, the enlarging plant- 



* Xatural order CucurMtacear 



