CROSS-BEARERS AND BUTTERFLY PLANTS. 37 



CHAPTER IX. 



CKOSS-BEARERS AND BUTTERFLY PLANTS. 



Fig. 30. Bird's-foot Trefoil. 

 (Lottts cornicitlatus.) a Flower. 



begin 



WE will 

 to learn about 

 a few of the 

 easiest of the 

 "natural orders" 

 by looking for a 

 flower which has 

 its petals in the 

 shape of a cross. 

 The petals are 

 four in number, 

 and equal in 

 size, and so they 

 form a cross 

 with four equal 

 arms. There 

 are several little 

 plants with 

 small white 



flowers which are cross-shaped, and which are com- 

 mon by the roadside or it) waste ground. One of the 



