...almost complete on the newer dunes, so that the accumulation of humus is not important. On the old, established dunes the mold becomes deeper and deeper,...that a mesophytic flora is able to establish itself, as beautifully exemplified on Five-mile Beach. a remarkable forest growth, the depth of the vegetable...

...the newer dunes, BO that the accumulation of humus is not important. On the old, established chines the mold becomes deeper and deeper, and after the...sandy soil beneath may become buried so deeply that a mesppbytic flora is able to establish itself, as beautifully exemplified on Five-mile Beach. > a remarkable...

...such influences are slight unless the sand is removed bodily for railroad grading and other purposes. important function which dune plants perform for other...organic matter ; when this matter becomes unburied vears afterward it may again furnish a soil for plants. Many fossil soil lines have thus been uncovered...