Plants

Fungi: Their Nature and Uses

Mushrooms of America, Edible and Poisonous

Wild Flowers of Zion and Bryce Canyon National Parks and Cedar Breaks National Monument

Fossil Forests of the Yellowstone National Park

The Study of Plant Life

Under the Maples

The botanist's repository for new and rare plants; vols 1 & 2

How to Know the Ferns

Poison-ivy, Poison-oak and Poison Sumac: Identification, Precautions and Eradication

A handbook of systematic botany

New-England's Rarities Discovered

Himalayan Journals — Complete

Himalayan Journals — Complete

Fungus Fundamentals

Grasses: A Handbook for use in the Field and Laboratory

The flowering plants of Africa

The Anatomy of Vegetables Begun

Trees of Indiana

Ferns of Hawaii National Park

How to tell the Birds from the Flowers, and other Wood-cuts