traduction :woti1<| be worse than useless. Henfrey's Budif 

 ments of Botany, ed. 2, was ■vyritten as a companion volume 

 to this Manual, and is strongly recommended to persons 

 commencing the study of Botany; Oliver's Lessons ifn,,^ler 

 mentary Botcmy will also be found of much use ; JDljt thej; 

 should afterwards make themselves acquaiated with tl*^ 

 contents of :Some more elaborate treatise, such as B.9|lfouir'| 

 Manual or Class-book, or Henfrey's Elementary Course^ ^ 

 It is hoped that those who use this book wiU favour, the 

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

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

 saryj 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, May 1, 1867. 



