PLATE XXVIII. 



Figs. 



1-3. Pyrus communis (Pear). Figs. 1, 2. — Proliferation to 

 form a second pear whose fleshy sepal-bases (s) 

 have become dissociated. (Original.) Fig. 3. — 

 A pear consisting of two sepals only, each with a 

 slightly swollen base. (Original.) p. 10. 

 4. Rosa damascena (Garden Rose). Proliferation of 

 flower into a second flower. (After Turpin.) p. 7. 



