XXXVlll 



NATURAL SYSTEMS. 



[Bartlino. 



1830. BartlinGj Fr, Th. — (Ordines Naturales Plantarum, eorumque Characteres et 

 Affinitates, adjectd generum enumeratione). 

 In this work the Vegetable Kingdom is divided into 8 principal di\asions, and 60 sub- 

 divisions or AlUances, called by the author Classes. The latter are furnished with 

 detailed characters drawn up in the same manner as those of the Orders, and to the 

 whole is prefixed an abridgment of the plan of classification. The synonyms of the 

 AlUances are shghtly given ; but it is remarkable that they do not contain any allusion 

 to the anterior works of Perleb and Agardh. As this work is the first in wliich consi- 

 derable details are introduced into the characters of AlUances, it seems worth stating, 

 at length, its nature, which is as follows : — 



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