GLOSSARY OF BOTANICAL TERMS 163 



the true leaves in shape, but often entirely dif- 

 ferent. (44) 



INFLORESCENCE. 



The Inflorescence is the manner in which the 

 flower-stem and its flowers are arranged. 



A Pe.duncle is a flower-stem bearing either 

 a solitary flower or a cluster. (45, A and B) 



A Pedicel is the final branch of the inflores- 

 cence, the stalk supporting each separate flower 

 on the peduncle. (46) 



VARIETIES OF THE INFLORESCENCE. 



A Spike is an elongated cluster of stalkless 

 (sessile) flowers. (47) 



A Raceme is an elongated, unbranched clus- 

 ter of stalked flowers. (48) 



A Panicle is a branched or compound 

 raceme. (49) 



A Head has a number of stalkless flowers, or 

 florets, packed closely together on a common 

 receptacle. (50) 



An Umbel has several pedicels of similar 

 length springing from a common center, like 

 the spokes of an umbrella. 



