80. GRAMINA. 169 



1289. Ageostis setacea, Curt. 



Ai-ea 1 2 [3] * * 6 [7 * * 10]. 



South limit in Cornwall, Isle of Wight, ? 



North limit in Glamorgan, Hants, ? 



Estimate of provinces 3. Estimate of counties 6. 



Latitude 50 — 52. Atlantic type of distribution. 



Agrarian region. Inferagrarian zone. 



Descends to the coast level, in the Peninsula. 



Ascends to 100 yards, or upwards, in England. 



Range of mean annual temperature 52 — 49. 



Native. Glareal, Ericetal. Certainly found in Corn- 

 wall, Devon, Somerset, Dorset, Hants, and Glamorgan ; 

 uncertain in Sussex and Surrey ; supposed to have been 

 erroneously reported in Oxford, Denbigh, and York. Ac- 

 cording to the Botanist's Guide, it grows plentifully on 

 Bagshot Heath, in Surrey (Mr. Curtis), and on wet 

 commons in Sussex (Mr. Borrer). The chief portion 

 of Bagshot Heath is situate in Berkshire, extending 

 somewhat into Surrey. I have walked over some part of 

 the Surrey poi-tion without finding Agrostis setacea ; but 

 as Curtis must have known the species well enough, it 

 may still be supposed likely to exist elsewhere upon that 

 wide tract. As it is a plant of dry and sandy ground, not 

 one adapted to " wet " commons, I suppose some error 

 about the habitat of Sussex ; more especially as the name 

 is left unmarked in a Catalogue of British Plants, obli- 

 gingly checked for me, for the county of Surrey, by Mr. 

 Borrer himself. Mr. Cooper, in his Botany of Sussex, 

 gives the vicinity of Heathfield as the only locality for 

 this grass in the county of Sussex. The authority for 

 Oxford, is Walker's Flora (See N. B. G. p. 606) ; that for 

 VOL. in. z 



