THE VARIETY OF PLANT LIFE 



107 



the tree habit, including many tropical species which are of 

 economic importance. One of the largest flowers in the plant 

 kingdom is produced in the Arum Family, by an East Indian 

 genus known as Amorphophallus; this relative of the common 



Fig. 75. — ^The Amorphophallus plant produces the largest flower in the plant 

 kingdom — four to six feet in diameter and eight feet or more in height. 



Jack-in-the-pulpit produces a flower four to six feet in diameter 

 and six to eight feet in height (fig. 75). 



A Summary of Plant Classification 



Phylum Schizophyta: thallus plants with and without chloro- 

 phyll — Blue-green Algae and Bacteria. 



