12 



ILLUSTRATED TERMS. 



protection organs, the calyx and corolla. (Fig. 38.) Incom- 

 plete Flowers lack one of the four organs or more. 



Regular Flowers are those that have the parts of each 

 set of organs alike in size and form. (Fig. 39.) Irregular 

 Flowers have the parts of one set of organs or more unlike in 

 size or shape. (Fig. 40.) 



fig. 36. 



FIG. 37. 



Cohoua 



FIG. 38. FIG. 39. 



The parts then of a complete flower are the calyx and corolla ; 

 the stamens and pistil. 



The Calyx (Fig. 38) is the outer set of leaves at the base of 

 the flower which rests upon the receptacle or end of the flower- 

 stalk. The Sepals are the leaves of the calyx when it is 

 divided to the base, and in which case it is said to be Poly- 

 sepalous. When, however, the sepals are wholly or partly 

 grown together the calyx is Gamosepalous. 



The Corolla is the inner and upper set of leaves. It is the 

 alluring part of the flower, and is supposed to attract insects 



