226 ORTHOTRICEACE^. 



DoTSTi — Abundant on trees at Rostrevor, and on the ground, forming a 

 carpet on a path in the wood ; S.A.S. Drumcro, and by the 

 waterworks at Rostrevor ; C.H.W. Frequent ; H.W.L. 



Antrim — On blocks of limestone near Grogan's Glen ; Templeton. At 



Cherr^^-alley, and the waterfoot near Crumlin, also Shane's 



Castle, Shawsbridge, Cave Hill, Kilroot, and roadside north 



of Magheramome ; S.A.S. 



There is no specimen of Templeton' s plant, but it is probable that it 



should be placed xinder the preceding species. 



3. Z. conoldeus (Dicks.) Hook. ^' Tayl. 

 On trees— very rare, and not found recently. Fr. May (Berk.). 

 Down — Belvoir Park ; T. Drummond, op. cit. 



Antrim — On pear and apple trees in Cranmore orchard ; Templeton, 1800 

 [spec, in Belfast Mus. Herb.'). Rare, only observed on trees 

 in Glenarm Deerpark ; D.M. 

 First found in Ireland by Templeton. 



ORTHOTRZCKUM Hedwig. 

 Sect. I. — Gymnoporus. 



1. O. rupestre SchUich. 



Rocks — very rare. Fr. early summer. 

 Antrim— On rocks at Doneygregor Head near Ballycastle ; Colby^s Stcrv. 

 Zondonderry. Rocks near Ballycastle, and beside the larger 

 lake on Fairhead ; D.]\I. On basaltic rocks near the Giants' 

 Causeway ; Moore, Froc. R.I. A., 1872. 

 Var. /3 0. Sturmii Hopp. et Hornsch. 

 Rocks, and stones — very rare. Fr. April — June, 

 Antrim — Fairhead ; Moore, op. cit. Abundant on stones in a boggy 

 moor on Knocklayd, and on a large boulder by Lough Neagh 

 at Sandy Bay south of Glenavy ; S.A.S. 



2. O. affine Schrader. 



Trunks of trees and bushes, occasionally on stones — very common. Fr. 

 April and June. 



3. O. Sprucel Mont. 



On trees and bushes overhanging water — extremely rare. Fr. April — 

 June. 



Down — Plentiful on trees at the bye- wash of the canal immediately above 

 Drumbridge ; /. H. Lavies, 1878, 



The only Irish locality. 



