TOJOHN LINDLEY , Ph.D. F.R.S.PROFESSOR OF BOTANY IN UNIVERSITY COLLEGE, LONDON ;VICE-SECRETARY OF THE HORTICULTURAL SOCIETY,&C. &C. &C.Cfet ^econU part of tf)tO OTorfe to Drtrttatrtr,AS A TESTIMONY OFADMIRATION OF HIS BRILLIANT TALENTS ANDEXTENSIVE BOTANICAL ACQUIREMENTS,BY HIS OBLIGED FRIEND,THE AUTHOR,