Poison-ivy and poison-sumac; their growth habits and variations, including distribution in Canada, Mexico, Central America, and the United States, with special reference to Illinois.

Bibliography: p. 35-36.

Unity in variety, as deduced from the vegetable kingdom; being an attempt at developing that oneness which is discoverable in the habits, mode of growth, and principle of construction of all plants.

Mode of access: Internet.

The ecology, habits and growth of the pike, Esox lucius.

Thesis (Ph.D.) - Cornell Univ., 1910.