The Project Gutenberg EBook of The Plants of Michigan, by Henry Allan Gleason

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Title: The Plants of Michigan
Simple Keys for the Identification of the Native Seed
Plants of the State

Author: Henry Allan Gleason

Release Date: April 19, 2010 [EBook #32050]

Language: English

Character set encoding: ASCII

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THE PLANTS OF MICHIGAN

SIMPLE KEYS FOR THE
IDENTIFICATION OF THE NATIVE SEED PLANTS
OF THE STATE

By HENRY ALLAN GLEASON, Ph. D.
Associate Professor of Botany and Director of the Botanical Gardens
and Arboretum in the University of Michigan

1918

COPYRIGHT, 1918
GEORGE WAHR

PUBLISHED BY
GEORGE WAHR
ANN ARBOR

PRINTED BY
THE ANN ARBOR PRESS

PREFACE

This book is not intended for the expert botanist. He should consult one
of the regular Manuals which give full descriptions of each species of
plant.

Neither is it intended for the merely curious. Only those who have
sufficient interest in a plant to observe it can find its name by this
book.

Furthermore, it is not a textbook. It does not attempt to convey
botanical information, but offers merely an opportunity to learn the
names of plants.

Its mission is fully accomplished if, through its use, students,
vacationists, and plant-lovers in general are able to recognize by name
the plants about them.

HOW TO USE THE BOOK

One recognizes a plant by the presence of structural features peculiar
to itself, and not found on any other kind of plant. In such a book as
this, these characters are given one or a few at a time, and contrasted
with the characters which other sorts of plants possess. Such a
presentation is called a Key, and by its proper use the name may be
learned of any plant considered in it. This process is called
Identification.

Keys are constructed in several different ways, although the principle
of all is the same. In this book, the user will begin with lines 1a and
1b on the page headed Key to the Groups. Each of th