TO 



MKS. GRIFFITHS, 



OF 



TORQUAY, DEVON, 



A LADY WHOSE LONG-CONTINUED RESEARCHES HAVE, MORE THAN 



THOSE OF ANY OTHER OBSERVER IN BRITAIN, CONTRIBUTED TO 



THE PRESENT ADVANCED STATE OF 



MARINE BOTANY, 



AND WHOSE NUMEROUS DISCOVERIES, COMMEMORATED IN THE GENUS 



GRIFFITHSIA, 



ENTITLE HER TO THE LASTING GRATITUDE OF HER 



FELLOW-STUDENTS, 



THIS VOLUME, 



WHICH OWES MUCH OF WHATEVER VALUE IT MAY POSSESS TO HER 



LIBERAL DONATIONS OF RARE SPECIMENS, AND HER ACCURATE 



OBSERVATIONS UPON THEM, 



IS RESPECTFULLY INSCRIBED, 

 BY HER FAITHFUL AND OBLIGED FRIEND, 



THE AUTHOR. 



Trinity College, Dublin, 

 June 30, 1849. 



