THE FLOWERING PLANT. 



53 



pecially on the under side of the leaf, are little open- 

 ings (Fig. 42) called stomates, which means months ; 

 each month has an upper and lower lip, formed of two 



Fig. 43. 



Foot-Stalk, or tI 

 Peduncle. 



kidney-shaped cells containing chlorophyl, and they 

 open and close to allow carbonic acid from the air to 

 pass in, and the oxygen and water to pass out. The 

 little sponges at the roots drink up more water than the 



