266 
Proceedings of the Royal Irish Academy. 
mountain tarns, with a fair extent of woods. Being so diversified, it 
presents most favourable conditions for tlie growth of those plants 
which formed the object of my researches. 
The following list contains 275 Mosses, 64 Hepatics, and 84 Lichens. 
Of these, 28 Mosses are not included in S. A. Stewart's " IS'orth-East of 
Ireland Flora." These are : — 
Sphagnum acutifolium, var. deflexum. 
n 17 7i 
teres. 
cuspidatum, ,, 
,, cymbifolium, 
Dichodontium pellucidum ,, 
Dicranella heteromalla, 
n 7 7 7 7 
Dicranum scoparium, ,, 
77 77 77 
77 >> 77 
Campylopus paradoxus. 
Pottia littoralis. 
Grimmia orbicularis. 
,, obtusa. 
77 77 77 
,, affinis. 
77 77 77 
Polytrichum attenuatum. 
Pohlia ( Webera) acuminata. 
Thuidium recognitum. 
Brachythecium salebrosum. 
Hypnum eugyrium. 
,, stellatum, ,, 
Hylocomium flagellare. 
purpureum. 
arctum. 
plumosum. 
congestum. 
serratum. 
sericea. 
stricta. 
alpestre. 
turfosum. 
spadiceum. 
subsimplex. 
gracilescens. 
protensum. 
All these, except the last (which has been omitted from Stewart's 
list by an oversight), are new to the North of Ireland, while the fol- 
