392 



BOTANY OF CROP PLANTS 



tubular and with its lobes imbricated in the bud; the corolla 

 has five distinct petals; there are numerous stamens. In a 



em 



Fig. 162. — Floral diagram of Prunus. 



^nm oj receplacle 



Fig. 163. — Sour cherry (Prunus cerasus). Median lengthwise section of 

 flower. 



longitudinal section (Fig. 163) of the drupaceous, flower, it is 

 seen that the. ovary is placed down within a cup commonly 



