63. POLYGONACEiE. 349 



951. RuMEx ACETOSA, Linn. 



Area general. 



South limit iu Cornwall, Isle of Wight, Kent. 



North limit in Shetland, Orkney, Hebrides. 



Estimate of provinces 18. Estimate of counties 82. 



Latitude 50 — 61. British type of distribution. 



A. A. regions. Inferagrarian — Superarctic zones. 



Descends to the coast level, in the Peninsula. 



Ascends to 1350 yards, in West Highlands. 



Range of mean annual temperature 52 — 33. 



Native. Pratal, &c. According to my own observa- 

 tions, this species ascends to a much higher elevation on 

 the mountains than its ally and almost namesake the R. 

 Acetosella ; while by Dr. Dickie's observations the reverse 

 holds true. I should almost fear that the name had been 

 inadvertently misapplied by one of us. 



952. RuMEX Acetosella, Linn. 



Area general. 



South limit in Cornwall, Isle of Wight, Kent. 

 North limit in Shetland, Orkney, Hebrides. 

 Estimate of provinces 18. Estimate of counties 82. 

 Latitude 50 — 61. British type of distribution. 

 A. A. regions. Inferagrarian — Midarctic zones. 

 Descends to the coast level, in the Peninsula. 

 Ascends to 700 yards (or 1200 yards ?), in E. Highlands. 

 Range of mean annual temperature 52 — 40 (or 35). 

 Native. Pascual, Ericetal. I have noted this species 

 as seen at 2140 feet of altitude in the pass between Glen 



