Author: PH (Orlin)

Description

Ckucc 8 IDDU I4PH (Orlin) Histoloica1 variations in Cosmos in relation to photoperiodisin: a dissertation submitted to (the University of chicago)...in candidacy for the degree of Doctor of Philosophy... l9..eprinted from the Botanical Gazette, Vol9 97, No 1, 1935 [With a biblioaphy.] pp. (2) + 139-l5, Il1ustration diagrams and tables. 8°., Chioago, l93.

Card ID: 165