كتب ذات صلة

Untersuchungen �uber die anatomische Structur der Gramineenbl�atter in ihrem Verh�altniss zu Standort und Klima mit Versuche einer auf dieselbe begr�undeten Gruppirung der Gramineen.

Species and varieties, their origin by mutation lectures delivered at the University of California by Hugo De Vries Edited by Daniel Trembly MacDougal.

Plant structures : a second book of botany

Plant anatomy from the standpoint of the development and functions of the tissues, and handbook of microtechnic.

• Snake venoms an investigation of venomous snakes with special reference to the phenomena of their venoms.
  المؤلفون: Noguchi, Hideyo
• Sexual reproduction and the organization of the nucleus in certain mildews.
  المؤلفون: Harper, R.A.
• The relation of desert plants to soil moisture and to evaporation.
  المؤلفون: Livingston, Burton Edward