182 AMENTIFER^. 



MYRZCA Linn. Bog Myrtlb. 



1. M. gale Linn. Sweet Gale. 

 Peat bogs— common. Fl. May and Jime. 



BSTUXiA Tournefort. Birch. 



1. B. grlutinosa Fries. 



Rocks, and glens, and by streams in billy districts — frequent. Fl. May 

 and June. Ascends to 1200 feet in Derry ; D.M. 



Down — Tollymore Park ; Templeton, 1794. By tbe Connswater ; S.A.S. 

 Antrim— Shores of Lough Xeagh, and in the park at Glenarm, and on 

 the mountain road above Camlough ; Templeton, 1810. Colin 

 Glen ; Flor. Belf. Bocks near Carrick-a-rede : T.H.C. 

 "WTiitewell, Glendun, and on the rocks and undercliff at Fair- 

 head ; S.A.S. 

 Derry — Common by mountain streams, and in glens ; D.M. Rathmelton ; 

 Flor. List. 

 Var. /3 B. pubescens Ehr. 

 On the basaltic cliffs of Sallagh Braes ; S.A.S. 



TVe have not seen any birches that' could be referred to B. verrucosa 

 Ehr. (B. ALBA Koch). The segregate fomis were not distinguished by 

 the older botanists, and we have placed their records to that species which 

 we know does exist here. The var. pubescens no doubt occiu-s in other 

 localities than that given above. Mr. Templeton says of the birch, 

 "There appear evidently two kinds, one with smooth leaves, toothed 

 to the peduncle, and smooth twigs. The other, the most common, having 

 downy leaves, entire at the base, and do^^-ny twigs. There is also a 

 variety, along the river at Tollymore, which I think like the var. pen- 

 dula." 



Aliirus Tournefort. Alder. 



1. A. grlutlnosa {Linn.) Gaert. 



In damp thickets, and by streams and lake shores— very common. Fl. 

 mid. Feb. till mid. April. 



QUERCUS Tournefort. Oak. 



1. Q. robur Linn. 



Woods, thickets, and mountain glens — common, an ancient native, 

 though often planted in places where now found. Fl. mid. April till 

 late in May. The former abimdance of the oak is shown by its frequent 



