398 



PLANT PECULIARITIES 



than any others would do. Examples of this are the nar 

 row, upright leaves of the grass, which grows thickly 



~& 1/ 





- -. 



. - 





Figure 438. — Mistletoe. 

 A semi-parasite. This tree has no leaves. 



crowded together, the broad leaves of the trees, and the 

 leaves of the ivy, which grows on walls, arranged like a 

 mosaic. Many divisions of the mesophytes might be 



