THE FIRST BOOK OF BOTANY. 



EXERCISE XXXVII. 

 Parts of the Corolla. 



FIG. 178. FIG. 179. 



Petal. 



Petal. 



Corolla. 



PET'AL. A leaf of the corolla. 



Petal. 



Petal. 



FIG. 180. 



SCHEDULE TWENTY-TWO, 



DESCRIBING FlG. 178. 



Names of Parts. 



Calyx 



Corolla ? 



No. 



SCHEDULE TWENTY-THREE, 



DESCRIBING FlG. 179. 



