Concerning the possibility of provoking systematically among plants
Subtitle: A) The appearance of new vital phenomena; b) Mutation.  Results obtained with orchids (Cattleyas) by crossings by mutations.
Publisher: Geomaere
Published: 1926
Place of publication: Bruxelles
Language: eng
Number of pages: 72
Subjects: Plants -- Variation.
Notes: On cover: Edition B.