EXPLANATION OF THE PLATES. 
Prater CLXVII. Pyrvus coronaria. 
A flowering branch, natural size. 
Diagram of a flower. 
Vertical section of a flower, parts of the petals removed, enlarged. 
An ovule, much magnified. 
A fruiting branch, natural size. 
Cross section of a fruit, natural size. 
Vertical section of a fruit, natural size. u 
A seed, natural size. 
SO COT Eo Cunt Co NOE te 
Vertical section of a seed, enlarged. 
B 
co) 
. An embryo, much magnified. 
. The base of a leaf showing stipules, natural size. 
. Winter-buds, natural size. 
a 
be 
Prats CLXVIII. Pyrus coronaria, var. Iornsis. 
A flowering branch, natural size. 
Vertical section of a flower, the petals removed, enlarged. 
A fruiting branch, natural size. 
Vertical section of a fruit, natural size. 
A seed, enlarged. 
An embryo, magnified. 
me Ge SE a a 
A vigorous leafy shoot, natural size. 
