LASTREA. 117 



tivation. It is rather rare, or at least local in its occur- 

 rence. 



The variety coUina, the Lastrea colllna of Newman, is 

 a distinct-lookins; plant. The form of its fronds is ovate, 

 drawn out to a long narrow point, or narrow oblong lan- 

 ceolate ; the pinnules, which are obtusely ovate, and have 

 a broad attachment at the base, have tlie serratures on 

 their margin broader and less spinulose than in the com- 

 mon form. It has narrow scales with a darker centre. It 

 was first noticed by the Ptev. G. Finder on the hills of 

 Westmoreland, and has been found elsewhere. 



The variety glandulosa, another form of this plant, is 

 of larger growth, and its surface is covered with glands ; 

 the scales of its stipes are broader and paler, and it has a 

 somewhat creeping habit, so that it approaches near to the 

 spinulosa form of L. cristata. Tliis INIr. Newman pro- 

 poses to name Lastrea fflandulosa. It is intermediate 

 both in character and aspect, between spinulosa and 

 dilatata ; and was originally found in the Forest of 

 Dean. 



The variety dunietoriim is of comparatively small size, 

 and has oblong-ovate or ovate-triangular fronds, covered 

 \Yith glands ; the stipes is covered with narrow, pointed; 



