85. CTPERACE^. 75 



dentally introduced through human agency into a place 

 of that kind. Found in Faroe, according to Sir W. C. 

 Trevelyan. 



1191. SCIRPUS SYLVATICUS, Lijin. 



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



South Hmit in Cornwall, Isle of Wight, Kent. 



North limit in Banff, Aberdeen, Argyle. 



Estimate of provinces 16. Estimate of comities 60. 



Latitude 60 — 58. British type of distribution. 



Agrarian region. Inferagrarian — Sujjeragrarian zones. 



Descends to the coast level, in the Peninsula. 



Ascends to 100 or 200 yards, in England. 



Range of mean annual temperature 51 — 47, 



Native. Paludal. Its early northern limit, and its 

 comparative scarcity in Scotland, place it intermediate 

 between the English and British types of distribution; 

 though perhaps nearer to the latter, than to the former. 

 Even in England, where it makes an approximation to 

 comital generaUty, it still cannot be deemed a common 

 plant ; and it was actually included among the " plantse 

 rariores " in Turner and Dillwyn's ' Botanist's Guide ' ; 

 but was not retained in the New Guide. 



1192. SciRPUS PALUSTRIS, Liiin. 



Area general. 



South limit in Cornwall, Isle of Wight, Kent. 

 North limit in Shetland, Orkney, Hebrides. 

 Estunate of provinces 18. Estimate of counties 80. 

 Latitude 50 — 61. British type of distribution. 



