m. N. SCOTLAND. WALES. 



343 



III. UPPEIl LIMITS ELSEWHERE. 



(West Sutherland, Hebrides, Shetland, Carnarvon). 



Solidago Virgaurea 36.55 fahr. 2.90 cent. 970 Suthd. 



Gnaphalium Jiocuui 36.95 fahr. 3.10 cent. 930 Suthd. 



Arbutus alpina 37.25 fahr. 3.25 cent. 900 Sulhd. 



Hymenophyllum Wilsoni 37.15 fahr. 3.25 cent. 950 Hebr. 



Luzula sylvatica 38.25 fahr. 3.75 cent. 800 Suthd. 



Seduin anglicum 37.80 fahr. 3.80 cent. 1110 Cam. 



Polypodium vulgare 39.25 fahr. 4.25 cent. 700 Suthd. 



Erica cinerea 41.25 fahr. 5.25 cent. 500 Suthd. 



Ranunculus Ficaria 40.90 fahr. 5.35 cent. 800 Carn. 



Banunculus hederaceus 41.20 fahr. 5.50 cent. 770 Carn. 



Seilla verna 42.16 fahr. 5.60 cent. 300 Shetd. 



Plantago lanceolata 41.40 fahr. 5.60 cent. 750 Carn. 



Chrysanthemum Leucanlh. 41.90 fahr. 5.85 cent. 700 Carn. 



Meconopsis cambrica 41.90 fahr. 5.85 cent. 700 Carn. 



Ulex europxus 41.90 fahr. 5.85 cent. 700 Carn. 



Lonicera Periclymenum 42.00 fahr. 5.90 cent. "600 Dur." 



Hymenophyllum Wilsoni 42.40 fahr. 6.10 cent. 650 Carn. 



Asplenium Trichomanes 42.40 fahr. 6.10 cent. 650 Cam. 



Adoxa Moschatellina 42.40 fahr. 6.10 cent. 650 Cam. 



Lonicera Periclymenura 43. (i5 fahr. 6.45 cent. 260 Suthd. 



Mercurialis perennis 43. 10 fahr. 6.45 cent. 580 Carn. 



Ilex Aquifolium 44.15 fahr. 6.70 cent. 210 Suthd. 



Cotyledon Umbilicus 45.40 fahr. 7.60 cent. 350 Cam. 



Jasione monlana 45.40 fahr. 7.60 cent. 350 Carn. 



Moenchia glauca 46.60 fahr. 8.20 cent. 230 Carn. 



IV. EXPLANATIONS OF THE UPPEB LIMITS. 



The preceding lists will appear somewhat complex on first view. 

 Attention to the following explanatory observations will soon render 

 them intelligible. The names of the plants succeed each other in 

 accordance with the highest points or places at which they have been 

 noted. The figures used to denote the altitudes always intend English 

 yards of three feet. The measurements are here seldom carried to the 

 units below ten yards ; that sort of minuteness being unnecessary, and 

 tending greatly to confuse the figures. Tiie assumed temperature for 



