THE FLORA OF HALIFAX. 137 



Lastraea Oreopteris, Presl. — 102. Sweet Mountain Fern. 

 Native. British type. P. July-August. 

 1775. A . thelypteris in Warley Clough, just at the back of 

 the Gigg-mill. — -/. Bolton. 



1785. P. thelyptevis, at the bottom of a little wood near 

 the rivulet, directly below the cottages in Birks Lane, half 

 a mile from Halifax ; in the top of a corn field under 

 North Dean Wood, Norland ; and about Cob Clough, 

 Ripponden, plentifully. — /. Bolton; Fil. Brit. 



North Dean and other woods, frequent. — Hevh. Leyland. 

 1840. Lane House Farm, Luddenden. — Herb. S. King. 

 1867. Upper Shibden and Ogden, common. — /. Walker. 

 1888. Above Derby Inn, Rishworth. — F. A. Lees. 

 Common, in damp woods, field banks, stream sides and 



doughs ; numerous records from localities in the west ; but 



rare in the east, Wheatley, Coley Beck, Ogden 

 Lastraea Filix-mas, Presl. — 112. Male Fern. 



Native. British type. P. July-August. 

 1785. About the borders of woods, near rivulets, and in 



stony and rocky places about Halifax, abundantly. — /. 



Bolton, Fil. Brit. 1844. Luddenden Brook. — S. King. 

 1862. Several varieties about Todmorden. — T. S tans field ; 



Midi's Fl. 

 1867. Very common throughout the parish. — /. W. 

 Very common, in woods, moist banks, and by stream and 



dam sides, throughout the parish. 



Var. affinis, Bab. (incisa, Newm.) 



1862. Vale of Todmorden (T. Stansfield) ; Shibden 

 (L. Miall) ; Luddenden (C. Eastwood). — Midi's Fl. 



Var. paleacea, Moore. 



1862. Todmorden, plentiful. — T. Stansfield ; Midi's 

 Pecket Wood, Hebden Bridge, &c. [Fl. 



Lastraea spinulosa, Presl. — 83. 



Native. British type. P. July- August. 



Rare, in damp woods : Pecket Wood and Hardcastle Crags, 

 (J. Needham) ; Ainley Wood, (T. Halstead). No record 

 before 1892. 

 Lastraea dilatata, Presl. — 77. Buckler Fern. 

 Native. British type. P. July-August. 



