Evolution of foliar types, dwarf shoots, and cone scales of Pinus
Subtitle: with remarks concerning similar structures in related forms
By: with thirty-two text-figures, by Clifton Childress Doak
Series: Illinois biological monographs. vol. XIII, no. 3
Publisher: University of Illinois
Published: 1935
Place of publication: Urbana, Ill
Language: eng
Number of pages: 106
Subjects: Pine; Plant morphology; Plants -- Evolution
Notes: On cover: University of Illinois bulletin. vol. XXXII, no. 49. August 6, 1935

"Contribution from the Botanical laboratory of the University of Illinois."

Bibliography:  p. 103-106