Hakt — Flora of the Mountains of Mayo and Gahvay. 759 



Nephii^beg. 

 1325 feet. 

 Holcus lanatus (Linn.) — Birreencorragh, 1100. On upper pastures. 



Ceoaghpateick. 



1300 feet. 



Pteris aquilina (lAun.) — Eirreencorragh, 600; Delphi Mt., 800; Ben 

 Gorm, 750 ; Mweebea, 940 and 800 ; Maamtrasna, 800. JSTot 

 abundant, and apparently averse to quartzite. I have given all 

 the upper limits I observed, since this and Erica tetralix are 

 "Watson's test-plants for the upper margin of his '* sub-arctic 

 zone." 



IS'ephtn". 



1290 feet. 



Erica tetralix (Linn.) — Birreencorragh, 1200; Croaghpatrick, 1170; 

 Loughty Mt. (Glenlaur), 770; Ben Gorm, 800; Mweelrea, 1100 

 and "800; Maamtrasna, 800; Twelve Bens, 950 and 800. See 

 under Pteris aquilina. The mean of these levels places this plant 

 a hundred feet above Pteris, which is nearer the truth than their 

 relative position in this summary. 



LoTJGHir Mt. (Glenlatte). 



1250 feet. 



Bellis perennis (Linn.) — Birreencorragh, 1100; Maamtrasna, 900. 

 Earely ascending the mountains. 



Twelve Bens. 

 1250 feet. 



Ilex aquifolium (Linn.) — Delphi Mt., 600 ; Mweelrea, 450. Frequent 

 wherever any natural wood remains, and in rocky slopes lower 

 down. 



Teucrium scorodonia (Linn.) — Scarce till the valleys are reached. 



MwEELEEA (Lake Lijgaloughaun). 



1205 feet. 



Sahularia aquatica (Linn.) — Abundant in Derryclare and Ballinahinch 

 lakes. This lake is erroneously recorded in " Mora Hibernica " 

 at 1500 feet above the sea. 



11. I. A. rUOC, SEE. 11., VOL. III. — SCTENCK. 4 D 



