42 
a different assemblage of plants on the coer dunes, = and 
south. As may be seen on a preceding page, the northern and 
southern elements meet and mingle in ce coastal ee 
about Mosquito Inlet 
Up THE EASTERN COAST 
time we returned from the central part of the peninsula 
s it. O 
few days at our disposal. However, a nua view of the 
flora of the entire eastern coast was decided o Consequently, 
one forenoon found us in the Cape Sable region, over the Dade- 
Monroe County line, and near ae coast. 
The surface of the land there, or the accumulated sand, marl, 
or humus, is supported on the Lossman’s River limestone—a 
somewhat cherty white solid or porous stone. West of Cuthbert 
Lake! and West Lake? conditions of ec on botanic interest 
have lately been disclosed through the digging of a canal and 
building of a highway to connect Cape Sable with the lower 
us and other debris. In the lower spots, the aes the 
ep i i t k 
limestone is much deeper and it is buried bene: thi 
tion of peat pe peace of a hammo overt 
ense of saw-grass (Mariscus jam aula eces 
(Typha Se or rush (Juncus Bee 
when this part of the State was higher, or, perhaps, even a viele 
ower, in past geologic times, the present fone portions 
were the islands, while the present marshes s were channels, bays, 
or other caus y hav t off the pee of the tides, after 
which these lagoons rapidly filled with eae and ee aes 
present nearby la r lagoons 
e channels owe thei 
existence to the fact that the tidal aon, is still iene oe 
1Journal of The New York ere Garden 17: 189-202. 1916. 
Cape Sable region of Florida 1-27. 
2 Journal of the New York Botanical Cues 22: 204. 1921. 
