Studies on the phloem of the dicotyledons.
Subtitle: II. Evolution of the sieve-tube ...
By: by Ansel F. Hemenway ...
Published: 1913
Place of publication: Chicago
Language: eng
Number of pages: 243
Subjects: Phloem.
Notes: Thesis (Ph. D)--University of Chicago, 1912.
"Reprinted from the Botanical gazette, vol. LV, no. 3."