Species and varieties, their origin by mutation
Subtitle: lectures        delivered at the University of California
By: by Hugo De Vries ... ed. by Daniel Trembly MacDougal ...
Contributors: MacDougal, Daniel Trembly, 1865-1958. ed.
Edition: 2d ed., corr. and rev.
Publisher: The Open Court Publishing Company; [etc., etc.]
Published: 1906
Place of publication: Chicago
Language: eng
Number of pages: 847
Subjects: Plants -- Variation.; Evolution; Hybridization, Vegetable