174 



BAKER S NORTH YORKSHIRE. 



West Swale and Derwent, these three being considerably above 

 any of the others. The district contains only a very limited 

 tract of the Central Valley and for plants of the Hygrophilous 

 category is below all the others except West Tees and Esk ; and 

 for the Rarer Ascending Species it is below West Swale, East 

 Tees, East Swale and Derwent. 



GEOGRAPHICAL ANALYSIS OF 



THE FLORA OF THE YORE DISTRICT. 



AREA 260 SQUARE MILES. 



CATEGORY. 



Number of Species. 



Per Centage of 

 total native flora. 





58 



49 



2 



37 

 362 



"5 

 II 



S3 

 19 



9 

 8 



6 



57 



18 



2 









5 General Ascending Species 



6 Scattered Ascending ,, 



7 Local Ascending ,, 



8 Colonists 





Total number of the species. 



706 





