150 
The corolla is a crimson- -like structure and the sepals and petals 
nt dinary 
‘“Joint,’’ and does not fall away as the Geo bical flowers do 
in the typical prickly-pears. 
A CRUISE TO THE SAINT Lucie RIVERS 
The last week in the field was devoted to an inland cruise. 
It was not a fresh-water cruise, however, but a salt-water one. 
inland w that connects New York 
ee’’ was put into commission again and we sailed 
ing u Bay Biscayne into the mouth of the 
through pinelands ie prairies. The course is not monotonous 
as might be imagined. It is a panorama of everchanging contour, 
n e places the red-mangrove eae alone was in 
view. In other places, associated with the red-mangrove, was 
th ite-mangrove (Laguncularia), the k-mangrove (Avi- 
cennia), and the buttonwood (Conocarpus), all with different 
shades of gr ‘o the association of es was afterw 
added an entanglement of the stout woody coin-vine (Dalbergia), 
which climbed to the tops of the tallest trees and w! con- 
c e ex oth A 
islands th leather- ae (deri or the hammock-mallow 
(Malae te) vied with the coin-vine in rankness of growth, the 
result being an ir barrier that could be passed only 
by actually cutting a way through the vegetation. 
