Botany

Identifying Trees of the West

Ancient Trees in the Landscape

The Biological Problem of To-day: Preformation Or Epigenesis

Insectivorous Plants

Best Non-Flammable Fire Resistant Grass Plant From Nature to Prevent Forest Wildfires

Herbaceous Perennial Plants

The Life of a Leaf

How the Earth Turned Green

Discoveries in the Garden

The Gardener's Guide to Prairie Plants

A Quiet Tide

Archaeobotanical Guide to Root & Tuber Identification

Invasive Plants

The New Forest, Its History and its Scenery

Sex on the Kitchen Table

A Brief Account of Microscopical Observations Made

The Science of Life; or, Animal and Vegetable Biology

Nitrogen Bacteria and Legumes

Response in the Living and Non-Living