164 RELATIONSHIPS OF THE INDEFINITE INFLORESCENCES. 
e cap 
hundreds, even thousands, of sessile flowers crowded into a single 
n a, 
Umbellifere, such as Eryngium, Sanicula, &c., where the inflorescence 
is a capitulum. In the Araliacee and Cornacea, orders nearly 
allied to the Umbellifere, the inflorescence is either an umbel or a 
capitulum. 
any instances might be quoted as to the near relationship of 
the solitary axillary flower and the members of the racemose 
family. It will perhaps suffice to mention the Orchidaceae, where 
my 
is related to the raceme, since in most Crucifere the immature 
e theory of internodes. In the genus Phyteuma 
(Campanulace@), where the inflorescence is either a spike or a 
: € same time, owing to a capacity for producing 
th axillary and terminal floral shoots. 
