Harvard University Botany Libraries

London :Society for Promoting Christian Knowledge,1901. | New York Botanical Garden, LuEsther T. Mertz Library

Cincinnati, Jennings and Graham[1905]

London,Longmans, Green, and Co.,1903. | New York Botanical Garden, LuEsther T. Mertz Library

London,Longmans, Green,1914. | New York Botanical Garden, LuEsther T. Mertz Library

London, J. Murray, 1908.

London, Pub. for the Author by the Royal Horticultural Society, 1912.

New York: Appleton, 1888.

New York,D. Appleton and Co.,1888. | New York Botanical Garden, LuEsther T. Mertz Library