... Stem anatomy of Dioon spinulosum ...
By: by Ladema Mary Langdon ...
Published: 1920
Place of publication: [Chicago
Language: eng
Number of pages: 125
Subjects: Stele (Botany); Dioon spinulosum.
Notes: "Literature cited" : p. 124.
Thesis (PH. D.)--University of Chicago, 1919.
"Private edition, distributed by the University of Chicago libraries, Chicago, Illinois."
"Contributions from the Hull botanical laboratory 270."
"Reprinted from the Botanical gazette, vol. LXX, no. 2, August 1920."