1 14 WAYSIDH WEEDS. 



leaves you gather are made up of two parts, the 

 broad blade or limb, or leaf part proper (Fig. 72, a), 

 and the supporting stem, or petiole (6).. In a cer- 



FiG. 75.— Leaf of Oak. Form oblc ng ovate ; the margin ainnate. 



tain number you will find a third part — ^or parts, for 

 there are two (Pig. 72, c)^at the base of the 

 petiole, called the. stipules. In our example, the 



