278 The Irish Naturalist, December, 



The quartzite of which the scarp is formed is much jointed, 

 and is breaking down rapidly ; instead of hard persistent 

 rock-faces, with water trickling down them, such as alpines 

 love, we get shattered crags, with gaping joints which swallow 

 the rains, and eventually lead to the destruction of the rock- 

 masses. A northern savour is given to the Croaghaun flora 

 bj^ the identity or resemblance of two of its plants to Shetland 

 forms — a remarkable variety of Hypericuvi pulchriun^ var. 

 procumbens Rostrup; and an Eyebrightresemblingif not identi- 

 cal with ^?^/>^;^5z*« Fotdaeiisis ; as well as b}^ the occurrence 

 near the base of the mountain of Cochlcaria ^o^rcEulajidica. 



The total flora of Achill Island (Phanerogams and Higher 

 Cryptogams), as enumerated below, numbers 416 species and 

 sub-specieS; the standard list used in this estimate being that 

 of ' Irish Topographical Botany.' Plants reckoned as varieties 

 in that book are dealt with separately. Following the plan 

 adopted in my Clare Island paper, I first list the total flora, 

 with a brief indication of the frequency of each plant (i, 2, 3, 

 once, twice, thrice found ; r = rare, / = local, f = frequent, 

 c = common, v = very), and subsequently refer more fully 

 to the rarer plants. The list is not encumbered and artificially 

 enlarged by introduced plants unless these are now naturalized, 

 i.e., have by reproduction established themselves as pe?'ma?ie?it 

 members of the flora. 



Those plants which have been recorded from Achill which 

 I did not meet with (4 in number) are distinguished b}' being 

 printed in italic type. 



Ranunculus aquatilis, r. Nasturtium officinale, Capsella Bursa-pas- 



hedcraceus, /". /. toris,/. 



Flammula, c tBarbarea vulgaris, i. JSenebiera didyma, i. 



scoticus,/. Cardamine pratensis,/. Cakile niaritima, i. 



acris, /. hirsuta, r. Raphanus Raphanis- 



repens, c. flexuosa, i. trum,/. 



bulbosus. I. Erophila vulgaiis, 2. Viola palustris, r. 



Ficana, I. Cochlearia officinalis, ^. Riviuiana, f, 

 Caltha palustris,/ danica(graenlandica), arvensis, i. 



Nuphar luteum, /. i. Polygala vulgaris, 2. 



Nymphsea alba,/ Brassica campestris, r. serpyllacea, / 



Fumaria capreolata, i. Siuapis, c. Silene maritima,/ 



confusa, I. alba,/ Lychnis Flos-cuculi, r. 



