53. SCROPHULARIACEiE. 215 



in terms which either express or suggest considerable dis- 

 trust. Besides the counties above mentioned, it is reported 

 in Herts, Essex, Suffolk, Norfolk, Montgomery, Merioneth, 

 Caernarvon, Dumfries, Ayr, Lanark, Edinburgh, Fife or 

 Kinross, and Forfar. The authors of the Edinburgh Bo- 

 tanical Society's Catalogue question its nativity within 

 thirty miles of Edinburgh city ; and my own observations 

 in that vicinity would concur with them, or reduce the 

 doubt into conviction of the species not being indigenous 

 there. 



778. Digitalis purpurea, Linn. 



Area general. 



South limit in Cornwall, Isle of Wight, Kent. 



North limit in Orkney, Hebrides, Sutherland. 



Estimate of provinces 18. Estimate of counties 80. 



Latitude 50 — 60. British type of distribution. 



A. A. regions. Inferagrarian — Inferarctic zones. 



Descends to the coast level, in the Peninsula. 



Ascends to 650 yards, in East Highlands. 



Range of mean annual temperature 52 — 40. 



Native. Septal, &c. Unknown in Cambridgeshire, and 

 possibly also absent from one or two of the neighbouring 

 counties, as Huntingdon and Northampton; but not absent 

 from Suffolk and Norfolk, as was stated in English Flora. 

 Edmondston omits it from his Flora of Shetland. There are 

 some local peculiarities, apparently connected with the soil 

 or subjacent rock, in the habitats of this plant. Thus, Mr. 

 W. Cautrell stated that about Wirksworth, in Derbyshire, 

 the Digitalis is abundant on the gritstone, but not seen on 

 the limestone. (Mag. Nat. Hist. vii. 274.) And Mr. J. E. 

 Bowman wrote me to the following effect : — " The Digitalis 



