Species and varieties
Subtitle: their origin by mutation.
By: Lectures delivered at the University of California by Hugo De Vries.  Edited by Daniel Trembly MacDougal.
Contributors: MacDougal, Daniel Trembly, 1865-1958.
Edition: 2d ed., corrected and rev.
Publisher: The Open Court Publishing Company; Kegan Paul, Trench, Truber & Co., Ltd.
Published: 1906
Place of publication: Chicago; London
Language: eng
Number of pages: 847
Subjects: Plants -- Variation.; Evolution (Biology); Plant hybridization.; Evolution.