54 



THE AMERICAN BOTANIST 



calycimim) are deeply divided, the separate lobes being 

 notched. In each notch at the margin is a group of cells 

 which appear as a dot to the naked eye. These cells do not 

 exhibit a tendency to; develop as long as the leaf remains on 

 the stem, but just as soon as it is detached the cells become 

 active and a plantlet is formed. Some thick-leaved or succu- 



Placed in a saucer of water. 



lent leaved plants produce plantlets in a similar manner al- 

 though the leaves are not notched. 'Tien and Chickens" 

 {Echeveria) is a good example. 



The Barbadoes Lily {Hippeasti'nm eqiiestre) is said to 

 flower without soil or water. So^ also will the "Monarch of 

 the East" {Saiiromatiun guttatiun ) . It has a flower even lar- 

 ger than the Devil's Tongue, and similar. 



