292 Bibliographical Notice. 



has been surveyed afresh, and the distribution of the plants is sepa- 

 rately exhibited in a table, where each species is traced through the 

 eight districts into which the county has been divided for botanical 

 purposes ; these districts are further elucidated by some clear topo- 

 graphical remarks and a serviceable map. All descriptions of genera 

 and species are intentionally omitted, as out of place in a local Flora, 

 but room is given for the * kind of places " where the plant grows, 

 its duration, and period of flowering. Then follow the localities, 

 arranged under their proper districts ; and here the stations which 

 rest upon ancient authority only, are distinguished by being printed 

 in italics. 



Great attention has been paid to the introduced plants ; and, in 

 addition to the recognized marks of possibly (-f) and certainly (*) 

 introduced, we have for the first time a separate brand (£) reserved 

 for the intermediate cases of ■ ' probably naturalized." Several of 

 the " colonists," or weeds of cultivation, receive the brand of " pos- 

 sibly introduced ;" and, while we think this will be acknowledged as 

 a step in the right direction, we could have wished to have seen the 

 mark of exotic origin even more freely bestowed on this class. 



Arenaria leptoclados (Guss), Lotus tenuis (Sm.), and Triticum 

 pungens (Pers.), now appear as species. The last, Godron (Flore de 

 France, in. p. 606) has already noticed as British ; and there is 

 reason for believing that the late Mr. E. Forster considered he had 

 gathered it in Essex. Some alterations also occur among the Rubi y 

 about which we are promised more information when Mr. Babington's 

 long-expected Monograph appears. In other respects, the arrange- 

 ment and names correspond with the fourth edition of the • Manual.' 



In an Appendix occur some valuable critical remarks, amounting 

 to so many distinct essays : upon Thalictrum flexuosum and T. sacca- 

 tile ; upon two plants confounded under the name ofPapaver dubium; 

 on Viola canina, Linn. ; on three forms of Arenaria serpyllifolia ; 

 on several Brambles ; on Serrafalcus ; and on Triticum. 



The paper on the Vegetation of the Fens is extremely interesting ; 

 so is the list of lost plants, which amount to nearly fifty species ; 

 among these, Sonchus palustris, Senecio palustris, Sturmia Loeselii, 

 and Caucalis latifolia are the most remarkable. 



The last few pages are devoted to the enumeration of such plants 

 as find (within Great Britain) their western, northern, or southern 

 limit in the county ; and the negative features of the Cambridgeshire 

 flora are illustrated by a comparison with the list given in the sixth 

 chapter of the * Cybele Britannica ' (vol. iv.), from which it appears 

 that out of the 718 species most widely distributed in Britain, 61 are 

 absent from Cambridgeshire. 



Enough has been said to show the general plan and arrangement ; 

 those who wish for details respecting the species must refer to the 

 work itself. "We are sure that Mr. Babington's volume will be highly 

 appreciated, as it deserves to be most carefully studied, especially by 

 those who are engaged in similar labours. Would that we had many 

 other such County Floras ! 



