Plants

Spring in a Shropshire Abbey

Young Folks' Nature Field Book

Language of Flowers

Street Trees

Fruits of the Hawaiian Islands

Palm trees of the Amazon and their uses

Identification of the Larger Fungi

Forest Trees of Illinois

A Synopsis of the British Mosses

Freak trees of the State of New York

The Oak: A Popular Introduction to Forest-botany

A synopsis of the palms of Puerto Rico

Floral Illustrations of the Seasons

Forestry for Farmers

Trees of Indiana First Revised Edition (Publication No. 13, Department of Conservation, State of Indiana)

Summer Flowers of the High Alps

The Daffodil Fields

Ferns of Hawaii National Park

The Botanical Lore of the California Indians with Side Lights on Historical Incidents in California

Spring Wild Flowers