0£ THE COKOLLA, 25$ 



Poppy tribe, Papaver and Glaucium,.! can- 

 not find that the flower-stalk is subsequently 

 enlarged, nor in any manner altered ; while 

 in genera without number, whose calyx is 

 permanent, the stalk becomes not only more 

 woody, but often considerably thickened. 



II. Corolla. The Corolla, vulgarly called 

 the leaves of the flower, consists of those 

 1 more delicate and dilated, generally more 

 coloured leaves, which are always internal 

 with respect to the calyx, and constitute 

 the chief beauty of a flower. In the Rose 

 the Corolla is red and fragrant ; in the 

 Violet purple ; in the Primrose yellow. 



This term includes two parts, the Petal, 

 Petalum, and the Nectary, Neciarium. 

 The former is either simple, as in the Prim-, 

 rose, in which case the Corolla is said to 

 be monopetalous, of one petal ; or com- 

 pound, as in the Rose, in which it is poly- 

 petalous, of several. The Nectary is some- 

 times a part of the petal, sometimes sepa- 

 rate from it. 



A monopetalous Corolla consists of two 

 parts; the tube, tubus, the cylindrical part 



