CLASS MUSCI. 



SERIES II. Order YI. AN H JLH lEACEJE. 



anrDRSAIA Ehrhart, 



1. A. petrophlla Ehr. 



Shady rocks on the mountains — rather common. Fr. April and May. 

 Ranges from 700 to 2000 feet. 



Down — Granite rocks of Slieve Donard, and on slate near the summit of 

 Slieve Croob ; S.A.S. Rostrevor, and Shanslieye ; C.H.W. 

 Common on the Moume Mountains ; H.W.L. 

 Antrim — Abundant on Slemish, and other mountains in the county ; 

 D.M. Sparingly on trap rocks at base of the cliffs north of 

 the caves of the Cave Hill, and on trap at 900 feet on north- 

 east side of Divis ; S.A.S. Basalt rocks of Sallagh Braes; 

 H.W.L., and C.H.W. 

 Derry — On Clontygeragh Mountain ; D.M. On trap at summit of Slieve- 

 gallion, and on Mullaghmore Mountain ; S.A.S. 

 Yar. /3 acuminata Sehhnper. 

 Down— Slievenabrock, and on Rocky Mountain near Hilltown ; H.W.L. 

 Yar. y GRACILIS Schimper. 

 Granite rocks between Slieve Dermot and Hilltown ; H.W.L. 



2. A. alplna [Linn.) Smith. 



Mountainous rocks— frequent. Fr. April and May. Ranges from 

 1000 to 2500 feet. 

 Down— Granite rocks of Slieve Donard; S.A.S. Slievenamady ; H.W.L. 



Thomas Mountain, and Pigeonrock Moimtaia ; C.H.W. 

 Antrim — Slemish Mountain ; D.M. Trap rocks on north side of Divis, 



and abundant on Slemish ; S.A.S. 

 Derry— On Clontygeragh, and Dart Mountains at 1100 to 2000 feet; 

 D.M. Benbradagh; S.A.S. 

 n2 



