THE PISTIL. 



103 



EXERCISE XLV. 

 Direction of Ovules and Seeds. 



Ovules have a horizontal direction when they are nei- 

 ther turned upward nor downward, as in Figs. 321 and 322. 



They are ascending when 

 rising obliquely upward, 

 as in Fig. 323. 



Ovules are said to be 



^ 



FIG. 321. 



FIG. 322. 



erect when rising upright from the base of the cell (Fig. 

 324). They are suspended when hanging perpendicularly 



FIG. 



FIG. 326. 



from the summit of the cell (Fig. 325). They are 

 /<?#iwhen hanging from near the top (Fig. 326). 



Find examples of ovules having different directions in 

 the magnified ovaries upon the charts. 



