I04 iBAKER's NORTH YORKSHIRE. 



Chlora perfoliata and Afiemone Pulsatilla ascend to the Mag- 

 nesian Limestone. Four species ascend to 50 or 100 yards in 

 the dales, Cajnpaimla patula, Epilobmm roseufti, Ruinex pratensis, 

 Carex axillaris ; and one, Orobanche elatior, to 100 yards upon 

 the limestone. Carex divulsa and Lamium Galeobdolon ascend 

 to 150 yards in the dales ; Galium eredurn^ Dipsacus pilosus and 

 Brachypodium pinnatuni to about the same height on the lime- 

 stone. Acorzis Cala/nus ascends to about 200 yards on the non- 

 calcareous, Carex digitata to 250 yards on the calcareous, 

 Festuca pseudo-niyiirus and Arenaria tenuifolia to 300 yards 

 on the non-calcareous slope. 



Periodic Phenomena of Vegetation. — A comparison of the 

 times of the various periodical phenomena of vegetation as 

 observed simultaneously in different localities may also be 

 employed usefully in illustration of their climate. The following 

 lists were made in the year 1856, the data for Thirsk resting on 

 my own observation and nearly all of the others having been 

 obtained through the help of kind correspondents resident in 

 ' the localities to which they refer. 



The leaf of the Oak was first noticed on the i8th of May at 

 Mickley and Cowesby, on the 19th at Thirsk, on the 20th at 

 Camphill near Kirklington, on the 22nd at Helmsley, on the 24th 

 at Great Ayton, on the 26th at Husthwaite near Easingwold, on 

 the 28th at Richmond, on the ist of June at Cotherstone and 

 at Eastholme near Aysgarth, and on the 2nd at Lythe near 

 Whitby. 



The leaf of the Ash was first noticed on the 21st of May at 

 Thirsk, on the 25th at Great Ayton, on the 26th at Eastholme, 

 on the 28th at Mickley, on the 30th at Camphill, on the ist of 

 June at Cowesby and Helmsley, on the 3rd at Cotherstone and 

 Thoralby near Aysgarth, on the 7th at Richmond and Lythe, 

 and on the 8lh at Aysgarth. 



The first crop of Hay was cut on the 25 th of June at Aske 

 near Richmond, on the 27th at Acomb, on the 28th at Hus- 

 thwaite, and on the ist of July at Thirsk, Camphill, Great 



