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would not shrink from the delightful task of being 

 still a teacher; nor does he resign the hope of afibrd- 

 ing some future assistance to his fellow-labourers, 

 though for the present, " a change of study," to use 

 the expression of a great French writer, may be re- 

 quisite " by way of relaxation and repose." 



The student of the Phaenogamic Plants of Britain 

 will, it is hoped, find this publication sufficient for 

 his purpose. The numerous and very curious addi- 

 tions, received by the author during its progress, and 

 announced at the end of the 23rd Class, encourage 

 him to think the subject is far from exhausted, and 

 to look for still more discoveries to enrich his future 

 volumes whenever they may appear. 



