352 MK. HARDY ON SOME BERWICKSHIRE PLANTS. 



Hypnum swartzii, Turn. (H. praelongum, var. Hook.) Bog 

 at Greenside Hill. 



cordifolium. Greenside Hill and Braid Bog. 



filicinum, var. Ditch on Greenside Hill ; and at 



the Meikle Blakelaw. 



fluitans. Langstruther and Coldingham Moor. 



aduncum. Bogs on Coldingham Moor, especially 



near what are called " Well-heads." 



revolvens. (H. aduncum, var. Hook.) In swampy 



bogs ; Langstruther Bog ; Pyperton Hill, Bushiel Dean, 

 &;c. This Mr. Wilson considers distinct from the pre- 

 ceding. It may be readily known by its rusty tint, and 

 very falcate leaves. It is an upland species. 



uncinatum. Penmanshiel Wood, Kitchen Cleugh, 



Red Clues Cleugh, Bushiel Dean. 



commutatum, var. B. Wils. MSS. (H. rugosum, 



Dicks. H. aduncum, var. Hook) This alpine form, 

 which, according to Mr. Wilson, is very generally mis- 

 taken for the typical form of H. aduncum^ occurs on 

 Greenside Hill, and at the foot of the Meikle Blakelaw. 



cupressiforme, var. lacunosum. Greenside Hill in 



moist situations. The leaves are very much enlarged. 



HEPATIC^. 



Jungermannia tomentilla. Langstruther Bog. 



LICHENES. 



Verrucaria epidermidis. Common on oaks. Penmanshiel 

 Wood. 



Endocarpon weberi, var. aquaticum. In Reedy-burn, often 

 encrusting mosses. 



Parmelia conspersa. Rocks at Oldcambus West Mains ; and 

 on stone walls at Penmanshiel. 



Squamaria hypnorum. On rocks and mosses ; Dean in Pen- 

 manshiel Wood, behind the forester's house. Sea banks 

 to the east of Redheugh. 



Collema cristatum. Sea banks at St. Helen's Chapel, and to 

 the east from Redheugh. 



