206 12, CARYOPHYLLACE^. 



the commonest species, like the Ranunculus acris or Bellis 

 perennis. Probably of rare occurrence above the agrarian 

 region. 



163. Lychnis didrna, Sibth. 



Area, general. 



South limit in Cornwall, Isle of Wight, Kent. 



North limit in Shetland, Orkney, Hebrides. 



Estimate of provinces 18. Estimate of counties 81. 



Latitude 50 — 61. British type of distribution. 



A. A. regions. Inferagrarian — Midarctic zones. 



Descends to the coast level, in the Peninsula. 



Ascends to 850 or 900 yards, in East Highlands. 



Range of mean annual temperature 52 — 38. 



Native. Septal and Rupestral. A familiar and abun- 

 dant species in the hedge-rows of the chief part of Britain ; 

 but wholly wanting in the county of Cambridge, according 

 to Relhan's Flora. Perhaps by some misprint, the L. di- 

 uma is marked for the Cambridgeshire plant, in Henslow's 

 Catalogue. Very rare above the agrarian region ; but I saw 

 it luxuriant on the rocks of Canlochen Glen, floweiing in 

 July, and associated with Poa alpina, Cerastium alpinum, 

 Erigeron alpinus and other alpine or arctic plants. Mr. 

 Gardiner also records it, as seen by himself, on Stuich-an- 

 Lochan, probably about the same altitude. 



164. Lychnis vespertina, Sibth. 



Area 1 2 3 4 5 ^ * 8 9 10 11 * 13 14 15 * 17. 



South limit in Cornwall, Isle of Wight, Kent. 

 North limit in Ross-shire and about Glasgow. 



