CONTENTS. 





Page 



I. Remarks on the Physical Geography of Britain : 



1. Extent and Position - - - 1 



2. Elevation of Surface - 2 



3. Climate - - - 20 



Temperature - - - 21 



Rain - - - 33 



Progress of the Seasons, indicated by that of 



Vegetation - - - 36 



II. General Remarks on the Flora and Vegetation of 



Britain : 



1. Numerical Estimate - - - 38 



2. Botanical Character - - -44 



III. Remarks on the Data for determining the Dis- 



tribution of Plants in Britain - 48 



IV. Remarks on the Distribution of Plants within 



Britain : 



1. Distribution in Ascending Regions - - 54 



Region of the Plains - - 58 



Upland Region - - 61 



Median Region - - 64 



Subalpine Region - -66 



Alpine Region - - 68 



2. Distribution in connection with Altitude - 72 



In the Highlands of Scotland - - 73 



In Cumberland - - 79 



