Subject
4 free books about cactus, free to read online. Chapter 1 of any book is free, no account needed.
Cactus Culture for Amateurs Being Descriptions of the Various Cactuses Grown in This Country, With Full and Practical Instructions for Their Successful Cultivation
William Watson
A Preliminary Revision of the North American Species of Cactus, Anhalonium, and Lophophora
John Merle Coulter
Journal of a Horticultural Tour through Germany, Belgium, and part of France, in the Autumn of 1835 To which is added, a Catalogue of the different Species of Cacteæ in the Gardens at Woburn Abbey.
James Forbes
Memoria sobre a cultura da Urumbeba e sobre criação da Cochonilha
Thiéry de Menonville, Nicolas-Joseph; Berthollet, Claude-Louis; Velloso, José Mariano da Conceição
