TO 



SIR W. J. HOOKER, K.H., F.R.S., 



LL.D., D.C.L. OXON., ETC. ETC. ETC., 



TO WHOM THE AUTHORS ARE INDEBTED FOB THEIR EARLIEST 



INSTRUCTION IN THE SCIENCE OF BOTANY, 



FOR THAT ASSISTANCE AND ENCOURAGEMENT WHICH ALONE HAS 



ENABLED THEM TO PURSUE IT IN AFTER LIFE, 



AND IN WHOSE UNRIVALLED HERBARIUM AND LIBRARY 



THE ' FLORA INDICA' HAS BEEN COMMENCED, 



GHjfe Motft ts BetJtcatrti 



BY HIS AFFECTIONATE SON, AND PUPIL, 



JOSEPH D. HOOKER 



AND 



THOMAS THOMSON 



Royal Gardens, Kew, 



February, 1855. 



