VI 11 PREFACE. 



to the absence of any recognized English terms which have 

 been applied to them. It does not seem desirable to invent 

 or adopt new English names, known only to botanists, for 

 the few genera which have them not, the Latin name being 

 sufficient in those cases, and better in the original than in 

 <m Anglicized form. . . . 



It is hoped that those who use this book will favour the 

 author with information of any (even the slightest) addi- 

 tion, correction or alteration that may appear to be neces- 

 sary, in order that it may be employed in the preparation 

 -of a future edition, as it is only through such assistance 

 that the flora of an extensive country can attain to even a 

 moderate degree of perfection. 



Cambridge, July 15, 1881. 



