GROSS ANATOMY OF THE ANGI0SPERM8. 



295 



pith is wanting. Examine tlie tip of the root and notice the blunt 

 end, which, under a lens, shows a root-cap. 



Fio. 184. 

 Scattered or alternate leaves. 



Fig. 185. 

 Opposite leaves. 



Duration — Many annual -stemmed plants have annual roots; 

 others which have annual stems have biennial or perennial roots. In 



Fig. 186.- 

 Fig. 187.- 

 sinuses. 



Fio. 186. 

 -Diagram showing parts of leaf. 

 -Diagram of lobed leaf (pinnately lobed) showing lobes and 



