176 



AGRICULTURAL BOTANY 



licorice, senna, logwood, Brazilwood, and sensitive 

 plant. 



The corolla of a few of this family is regular, but all the 

 plants that are valuable for food have papil ionaceous 



FIG. 88. Garden Pea. 



I, the corolla displayed; 2, the diadelphous stamens; 3, the ovary dissected, and the pecul- 

 iar style and stigma. 



(butterfly-shaped) corollas similar to that of the pea. 

 They have five irregular petals. The upper, or odd. petal 



