16. HYPERICACE.E. 251 



be misled, in some degree, by a peculiarity in its distribu- 

 tion ; namely, that its localities seldom extend over much 

 space singly, and the specimens themselves are often thin- 

 ly scattered in its localities. Still, it is so generally spread 

 through Britain, that I cannot name any county from 

 which it is more probably absent than present. Tried by 

 counties, its census must be general or universal. 



•W. ^f/./. O^C . 221. Hypericum hirsutum, Linn. 



Area 1 2 3 4 5 6 7 8 9 10 11 * 13 14 15. . //. 



South limit in Devon, Isle of Wight, Kent. 



North limit in Aberdeen and Moray. 



Estimate of provinces 15. Estimate of counties 60. 



Latitude 50 — 58. British type of distribution. 



Agrarian region. Inferagi'arian — Superagrarian zones. 



Descends to the coast level, in the Channel province. 



Ascends to 150 yards, in the East Highlands. 



Range of mean annual temperature 51 — 46. 



Native. Sylvestral. Probability appears so far in fa- 

 vour of this species being found in the provinces of the 

 Lakes and West Highlands, that I have added one pro-.- 

 vince in the estimated census, and might, perhaps, have 

 ^ earned the estimate up to 16. Enters within the High- 

 land valleys ; having been observ^ed at Aberfeldie, by Miss 

 Twining ; at Finlarig, by Mr. W. Wilson ; and also near 

 Killin, by myself Should the range of temperature be 

 brought down to 45 ? 



