THE FRUIT AND SEED. 



115 



The relations of embryo to albumen in various 

 seeds are here shown. Your own observation, how- 

 ever, must have already supplied you with much in- 

 formation upon this subject. 



FIG. 244. 



FIG. 245. 



FIG. 246. 



FIG. 247. 



FIG. 248. 



EXERCISE XL. 

 Position of the Embryo in Seeds. 



As the dissection of seeds is such an easy opera- 

 tion, you must be familiar with the different aspects 

 of the embryo in many different seeds. You have 

 seen it large and small, straight and curved, outside 

 the albumen and embedded within it; sometimes 

 with flat cotyledons, and sometimes with cotyledons 

 folded or coiled in various ways and degrees. We 

 are now to observe its relation to the parts of the 



In studying ovules, you found the hilum and the 

 micropyle, and you may find the same parts in the 

 seeds that were once ovules. The hilum of seeds is 



