396 34. CRASSULACE.E. 



408. Sedum Rhodiola, De C. 



Area ****** 7 * * 10 11 12 13 14 15 16 17 18. 



South limit in Merionethshire and Yorkshire. 



North limit in Shetland, Orkney, Hebrides. 



Estimate of provinces 10. Estimate of counties 25. 



Latitude 52 — 61. Highland type of distribution. 



A. A. regions. Midagrarian — Superarctic zones. 



Descends to the coast level, in West and East Lowlands. 



Ascends to 1300 yards, in East Highlands. 



Range of mean annual temperature 48 — 34. 



Native. Rupestral and Littoral. Rather frequent on 

 rocks in the arctic region, and descending to those of the 

 sea coasts in Scotland, on which it must be referred to the 

 midagrarian zone. 



409. Sedum TELEteiUM, Linn. A /'^- ^'-y^- 4^J 



Area 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 * 18. 



South limit in Cornwall, Isle of Wight, Kent. 



North limit in Shetland, Orkney ? Highlands ? 



Estimate of provinces 17. Estimate of counties 70. 



Latitude 50 — 61. British type of distribution. 



Agrarian region. Inferagrarian — Superagraiian zones. 



Descends to the coast level, in the Peninsula. 



Ascends to 250 or 350 yards, in East Highlands. 



Range of mean annual temperature 52 — 43. 



Native. Rupestral, Septal, &c. Possibly the distribu- 

 tion is made too extensive in the formula above. The late 

 Author of the Flora of Shetland replied to my inquiry on 

 the point, that he had no doubt whatever as to this Sedum 



