368 70. CRTICACE^. 



North limit in Perth, Fife. 



Estimate of provinces 10. Estimate of coimties 25. 



Latitude 50 — 57. EngUsh type of distribution. 



Agrarian region. Inferagi'arian — Midagrarian zones. 



Descends to the coast level, iii the Peninsula. 



Ascends to 100 yai-ds, less or more, in England. 



Range of mean annual temperature 51 — 47. 



Native. Viatical, &c. Not a frequent plant in England; 

 very local, and doubtfully indigenous, in Scotland. I have 

 a specimen fi-om Burntisland, Fifeshire, by favour of Pro- 

 fessor Balfour ; and in Hooker's Flora Scotica it is said to 

 have been found in the parish of Aberfoyle, in Perthsliire, 

 by the Rev. Dr. Graliam. The Edinbm-gh Society's Cata- 

 logue allows it to be native in then* cuxuit, that is, in some 

 of the counties bordering the Firth of Forth. 



978. Urtica urens, Linn. 



Area general. 



South limit in Cornwall, Isle of Wight, Kent. 



North limit in Shetland, Orkney, Hebrides. 



Estimate of provinces 18. Estimate of comities 82. 



Latitude 50 — 6 1 . British type of distribution. 



Agrarian region. Inferagrarian — Superagi'arian zones. 



Descends to the coast level, in the Peninsula. 



Ascends to 400 yards, in the East Highlands. 



Range of mean annual temperature 52 — 42. 



Native. Agrestal, Viatical. A very common weed in 

 England ; and " frequent " even in the northern isles of 

 Shetland. 



