iv Preface. 



included in this volume was written, I have re-established Maingay's 

 manuscript genus Griffilliia ; and to it I have referred, as proposed by 

 him, the plant here named Polyalthia magnoliaeflora, H. f. and Th. 



It may also be useful to mention that, in the following pages, the 

 length given for a leaf is that of the blade only, the measurement of 

 the petiole being given separately ; and that the breadth given for a 

 leaf is that of its broadest part. 



Royal Botanic Garden, Calcutta, 

 Septemhev, 1893. 



