35. SAXIFRAGACE.E. 415 



the snow probably lies till July, at 1200 yards of elevation. 

 Mr. Don enumerates it among the plants of Forfarshire. 



/^^.///[y 430. SaXIFRAGA TRIDACTYLITES, Zi««. 



Area 1 2 3 4 5 6 7 8 9 10 11 12 * 14 15 * 17. 



South Hmit in Devon, Isle of Wight, Kent. Cd-f^uy^x. 



North limit in the east of Sutherland and Cromarty. 



Estimate of provinces 16. Estimate of counties 60. 



Latitude 50 — 58. British type of distribution. 



Agragarian region. Inferagrarian — Superagrarian zones. 



Descends to the coast level, in the Peninsula. 



Ascends to 300 yards, in North Wales. 



Range of mean annual temperature 51 — 45. 



Native. Glareal and Rupestral. Frequent in England; 

 much less so in Scotland, and apparently absent from the 

 western provinces of that part of Britain ; although it 

 may eventually prove that this inconspicuous and early- 

 flowering species has merely been overlooked in the less- 

 examined western side of Scotland. The station of Dun- 

 robin, in Sutherland, is just above the line of 58°. 



y^. ///. / /^^ 431. Saxifraga hypnoides, Linn. 

 / &c. &c. &c. 



Area 1 (2) * * 5 6 7 8 * 10 11 12 13 14 15 16 17 18. 

 South-east limit in Somerset, Derbyshire, Yorkshire. 

 North limit in Orkney and Sutherland. 

 Estimate of provinces 14. Estimate of counties 30. 

 A. A. regions. Midagrarian — Superarctic zones. 

 Latitude 51 — 60. Highland type of distribution. 

 Descends to the coast level, in the East Highlands. 



