240 FLORA OF THE LAKE DISTRICT. 



the level of the large lakes up to 500 yards on Kirkstone 

 Pass. 



1387. Lastrea Filix-mas, Presl. (Male Fern). Native. 

 British type. Range 1-3. Everywhere common in woods 

 and amongst rocks, ascending to 650 yards on Scawfell Pike, 

 900 yards on Helvellyn. 



Vars. affinis, Borreri, and abbreviata are all of frequent 

 occurrence. A single plant of L. remota, which is just half- 

 way between this and spinulosa, was found by I. Hudhart 

 near Windermere in 1856, and Mr. Coward reports it from 

 Brathay Woods. 



1388. Lastrea rigida, Presl. Native. Xerophilous. 

 Intermediate type. Range 1. Abundant, along with Poly- 

 podium Robertianum, in the crevices of the limestone pave- 

 ment on Whitbarrow, Farleton Knot, Hutton-Roof, and 

 Arnside Knot. It has been gathered by Mr. Mason in 

 Lancashire near Grange. 



1390. Lastrea spinulosa, Presl. Native. British type. 

 Range 1. Shaded and damp woods in the lower zone. Not 

 infrequent. Whitehaven, Ullswater, Derwentwater, Winder- 

 mere, Coniston, Roudsey Wood, and in all the low mosses 

 about Witherslack, Meathop, and Milnthorpe. 



Var. uliginosa is recorded by Lowe as growing with 

 Osmunda, in a wood on the west side of Derwentwater, and 

 by W. Dickinson from Lowes Water. 



139 1. Lastrea dilatata, Presl. Native. British type. 

 Range 1-3. Woods and thickets; everywhere common, from 

 shore-level up to 600 yards on Coniston Old Man and 850 

 yards on Helvellyn. 



Var. dumetorum has been found at Mardale, Tilberthwaite, 



