450 



BOTANY. 



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31 



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 J'2'3'4'5'54321 



introduce the student to their 

 study. For further details, 

 he is referred to De Bary's 

 admirable treatise, " Ver- 

 gleichende Anatomie der 

 Vegetationsorgane der Phan- 

 erogamea und Fame," in 

 which copious references are 

 given. The publications of 

 Russow will also be found to 

 be of great value to the stu- 

 dent. 



549. The systematic 

 arrangement of the An- 

 giosperms is by no means 

 settled. The one mostly 

 followed in England and 

 this country is a modifi- 

 cation of De Candolle's 

 system (A.D. 1813), 

 which was itself a modi- 

 fication of Jussieu's (A.D. 

 1789), which in turn was 

 based upon the general 

 system proposed by Eay 

 (A.D. 1703). In the 

 * ' Genera Plantarum, ' ' 

 now publishing by Ben- 

 tham and Hooker, and 

 in the English edition of 

 Le Maout and Decaisne's 

 " General System of Bot- 

 any," we have the most 

 recent modifications of 

 the Candollean system. 

 On the continent of Eu- 

 rope other systems have 

 been used more or less, 

 and it is probable that 

 among these are to be 

 found the best groupings 

 of Angiosperms to indi- 



