12. CARYOPHYLLACEiE. 215 



Estimate of provinces 1. Estimate of counties 2. 



Latitude 52 — 53. Local type of distribution. 



Agrarian region. Inferagrarian zone. 



Descends nearly to the coast level, in Ouse. 



Ascends to 50 yards, or less, in same province. 



Range of mean annual temperature 49 or 48. 



Native. Rupestral or Glareal. An extremely local 

 plant, which might be referred to the Germanic type, if its 

 area were not so very restricted. Since it is said to grow 

 " on walls and thatched roofs," I presume this one to come 

 nearest to the ' glareal ' category ; though, for the most 

 part, wall plants are rock plants. 



174. Akenaria trinervis, Linn. 



Area 1 2 3 4 5 6 7 8 9 10 1112 13 14 15 * 17. 



South limit in Cornwall, Isle of Wight, Kent. 



North limit in Ross-shire and about Glasgow. 



Estimate of provinces 17. Estimate of counties 75. 



Latitude 50 — 58. British type of distribution. 



Agrarian region. Inferararian — Superagrian zones. 



Descends to the coast level, in the Peninsula. 



Ascends to 100 or 200 yards, in England. 



Range of mean annual temperature 51 — 46. 



Native. Sylvestral and Septal. Frequent, though 

 scarcely a common plant, in England ; in Scotland, it is 

 less frequent. The Rev. G. Gordon marks it common in 

 Moray. Has been found near Aberdeen, since publication 

 of the Flora Abredonensis. Though " not common " about 

 Glasgow (Hopkirk) I suppose it very likely to be not 

 wholly absent from the West Highland province, which 

 comes within some few miles of Glasgow. 



