Resin canals in the Canadian spruce (Picea canadensis (Mill.) B.S.P.)
Subtitle: an anatomical study, especially in relation to traumatic effects and their bearing on phylogeny
By: by Robert Boyd Thomson and Harold Boyd Sifton
Series: Philosophical transactions of the Royal Society of London. Series B, Biological sciences -- v. 214; Philosophical transactions of the Royal Society of London -- v. 214
Publisher: Royal Society
Published: 1925
Place of publication: London
Language: eng
Number of pages: 111
Subjects: Picea canadensis; Anatomy; Phylogeny
Notes: Cover title.

Includes bibliographical references.