Excerpt from Arbor Day Manual for Montana Schools, 1920 In so far as is possible the day should be used to learn about trees. Plans should be made to have every lesson con tribute something to the topic for the day. Such plans should interrupt the regular school work as little as possible. Tree quotations may be given in the morning exercises, and one or two songs sung. The reading lessons may be about trees. A number of tree poems and stories are found in the basal readers. Among them are the following: Why the Evergreen Trees Keep Their Leaves - Riverside Second Reader, p. 89. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.