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Document Type

Research

Abstract

Twenty-nine species of seeds were tried out; of these the following germinated: Betula alba var papyrifera, (Marsh) Spach, Betula fontinalis Sarg., Quercus nigra L., Cinnamomum camphora L., Platanus occidentalis L., Physocarpus opulifolius var intermedius (Rydb.) Robinson Pyrus ioensis L., Cercis canadensis L., Amorpha canescens Pursh., Melia Azedarach L., Cissus ampelopsis Pers., Callicarpa americana L., Prunus Cerasus was collected germinating beneath the trees in April. Seeds of all northern species were wintered out-of-doors, lightly covered on the ground, and transferred to greenhouse about March 3.

Publication Date

1924

Journal Title

Proceedings of the Iowa Academy of Science

Volume

31

Issue

1

First Page

157

Last Page

167

Copyright

©1924 Iowa Academy of Science, Inc.

Language

en

File Format

application/pdf

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