44. COMPOSITE. 51 



568. HiERACiUM PiLosELLA, Linn. 

 568, b. HiERACiUM Peleterianum, Mer. 



Area general. 



South limit in Cornwall, Isle of Wight, Kent. 



North limit in Orkney, Hebrides, Sutherland. 



Estimate of provinces 18. Estimate of counties 81. 



Latitude 50 — 60. British type of distribution. 



A. A. regions. Inferagi-arian — Inferarctic zones. 



Descends to the coast level, in the Peninsula. 



Ascends to 750 yards, in East Highlands. 



Range of mean annual temperature 52 — 39. 



Native. Pascual, Glareal. Almost within the midarctic 

 zone on the hills about Braemar, in Aberdeenshire. In 

 estimating the county census I have not included the Shet- 

 land Isles, because Edmondston has not enumerated the 

 species in his Flora of Shetland. It occurs in Orkney and 

 Faroe, and over the whole of Scandinavia (Fries Summa) ; 

 and thus, notwithstanding its omission from the probably 

 incomplete catalogue of Shetland plants, the estimate might 

 be more true if carried up to the highest number of comi- 

 ties. Incomplete data may readily be expressed so long 

 as we keep to general (that is, vague or inexact) terms ; but 

 in attempting to give them a numerical or statistical form, 

 where units are required, the imperfect state of our infor- 

 mation becomes apparent. This, under existing circum- 

 stances, is far from undesirable; since, by showing the 

 want, it may lead to the void being filled up in some in- 

 stances. 



V. '1 



