Introduction to structural and systematic botany and vegetable physiology : being a fifth and revised edition of The botanical text-book / by Asa Gray.
License information
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Introduction to structural and systematic botany and vegetable physiology : being a fifth and revised edition of The botanical text-book / by Asa Gray. Credit: Wellcome Collection. Public Domain Mark