Plants

Wayside and Woodland Trees: A pocket guide to the British sylva

Travels in a Tree-top

Kew Gardens

Vegetable Teratology

Foraging

Old Fashioned Flowers, and other out-of-door studies

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

Identification of the Larger Fungi

Genetically Modified Crops

Our National Forests

Wild Yet Tasty

The Fruit Trees Book: Growing Orange & Citrus Trees – Blood Oranges, Navel, Valencia, Clementine, Cara And More

A Short Account of the Botany of Poole

Mushroom Farming

Mushrooms and Seaweeds

Beach Rambles in Search of Seaside Pebbles and Crystals

About Orchids: A Chat

The Fern Lover's Companion

Mushroom and Toadstools

Colorado Wild Flowers