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Document Type

Research

Abstract

Leaf characters, unlike stem characters, are as a rule subject to such variations that they form an unreliable basis of comparison between plants. Conifer leaves on the contrary, because of their simplicity as compared with other leaves, show a large degree of uniformity, particularly in those characters seen in cross section.

Publication Date

1916

Journal Title

Proceedings of the Iowa Academy of Science

Volume

23

Issue

1

First Page

519

Last Page

582

Copyright

©1916 Iowa Academy of Science, Inc.

Language

en

File Format

application/pdf

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