38 84. JUNCACE.E. 



Estimate of provinces 1. Estimate of counties 2. 



Latitude 54 — 55. Local (Scot.) type of distribution. 



Agrarian region. Superagrarian zone. 



Descends nearly to the coast level (Windei-mere). 



Ascends to 150 yards (Thirlmere, Cumberland). 



Range of mean annual temperature 47 — 46. 



Native. Paludal. A very local plant, known certainly 

 on tlie margins of Windermere, Thirlmere, and Derwent- 

 water, only. Has been said to grow near London 

 (Cooper's Flo. Metrop.), in Cheshire (Mr. Bradbury, in 

 B. G.), on Ben Lawers (Mr. Dickson), in several i^arts of 

 Scotland (Mr. George Don), and in Orkney (Lowe's List) ; 

 but all these are too uncertain foi> reliance, while the in- 

 different authorities for them remain unsupported by the 

 testimony of more accurate or more faithful observers. 



1151. JuNCus coNGiiOMERATus, Linn. 



Area general. 



South limit in Cornwall, Isle of Wight, Kent. 



North limit in Shetland, Orkney, Hebrides. 



Estimate of provinces 18. Estimate of counties 83. 



Latitude 50 — 61. British type of distribution. 



Agrarian region. Inferagrarian — Superagrarian zones. 



Descends to the coast level, in the Peninsula. 



Ascends to 250 yards, or upwards, in E. Highlands. 



Eange of mean annual temperature 53 — 44. 



Native. Paludal, Inundatal, &c. In my earlier tours 

 into the Highlands, while a young botanist, I made various 

 notes which would seem to trace this species up to 400 or 

 500 j^ards of altitude. But I have since seen reason to 

 doubt whether I then correctly distinguished between J. 

 effusus and the species here under consideration ; the 



