This additional volume to the young naturalist's 'Outdoor World Series' is an attempt to provide a guide to the study of our wild plants, shrubs and trees—a guide which, though comparatively free from technical terms and expressions, shall yet be strictly correct and scientific.

The leading feature of the book is the arrangement of the plants and trees according to their seasons, habitats and habits; an arrangement which will undoubtedly be of the greatest assistance to the lover of wild flowers during his work in the field, and also while examining and identifying his gathered specimens at home.

A large portion of the space has necessarily been allotted to the descriptions of plants, several hundreds of which have been included, and a large proportion of these illustrated; but not a little has been devoted to an attempt to create an interest in some of those wonderful habits which lead us to look upon plants as living beings with attractions even more engrossing than their beautiful forms and colours.

It has been thought advisable to give but little attention to aquatic plants and to the flowers which are to be found only on the coast, these having been previously included in former volumes of this series dealing, respectively, with pond life and the sea shore.

The thanks of the author are due to his friend, G. Du Heaume, Esq., for his valuable assistance in collecting many of the flowers required for description and illustration.

W. S. F.