THE fact of a direct continuity between the protoplasmic contents of adjacent cells is an important factor in plant histology. The history of this subject is briefly as follows:— W. Gardiner, "On the ...

IT may, perhaps, not be generally known that pollen of flowers affords a convenient example of the circulation of protoplasm. If pollen from a fox-glove be placed in a solution of sugar at ordinary ...

This is a preview. Log in through your library . Abstract Examination of Miocene angiosperm leaf compressions from the Clarkia and Succor Creek localities of Idaho and Oregon reveals a characteristic ...

Vol. 14, No. 403, Reports of A.A.A.S. New York Meeting (Dec. 29, 1928), p. 398 (1 page) Published By: Society for Science & the Public Founded in 1921, Society for Science & the Public's mission is to ...

For permission requests, please contact NEJM Reprints at [email protected] ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

This article was supported by readers like you. Our mission is to provide accurate, engaging news of science to the public. That mission has never been more important than it is today. As a nonprofit ...