150 46. ERICACE^. 



camea, probably through looking only at Herbarium speci- 

 mens, which are much alike ; although, in a living state, the 

 whole habit of growth of the two species, as well as their 

 climatal requirements, are widely dissimilar. 



694. Erica vagans, Linn. 



Area 1 ^). * * [5 6 * 8] . 



South limit in Cornwall, Devon ? 



North limit in Cornwall, or Glamorgan ? 



Estimate of provinces 1. Estimate of counties 1. 



Latitude 50 — 51. Atlantic type of distribution. 



Agrarian region. Inferagi-arian zone. 



Descends to the coast level, in the Peninsula. 



Ascends to 50 yards, more or less. 



Range of mean annual temperature 52 — 51. 



Native. EricetaL Only known with certainty in a few 

 localities in Cornwall, chiefly in the Lizard. Has also been 

 reported to occur in Devon (Miss Webster, in B. G.), 

 Gloucester (Mr. Thomas Hancock, in Proceed. Bot. Soc. 

 London), Worcester (Mr. E. Lees, in Mag. Nat. Hist. iv. 

 438, and N. B. G.), Glamorgan (B. G.), Notts (Mag. Nat. 

 Hist. V. 549 ; and Miss Bell, in N. B. G.) ; and, imder name 

 of E. multiflora, also in Derbyshire (Pilkington, quoted in 

 B. G.) The counties of Devon and Glamorgan are not 

 improbable in themselves, although confirmation may be 

 requisite. 



695. Calldna vulgaris, Salisb. 



Area general. 



South limit in Cornwall, Isle of Wight, Kent. 



North limit in Shetland, Orkney, Hebrides. 



