316 



LASTREA DTLATATA. 



Padley, of Bulwell Hall, Nottinghamshire; and Mr. Elworthy, 

 of Nettlecombe, for fronds. 



Fig. 263— Middle pinna. 



Gracilis, Loice. (Fig. 263.)— A lax slender form, found in 

 the island of Arran in September 1863, by Mr. P. Neill Fraser, 

 of Edinburgh. Length of frond two feet, of which ten inches 

 to twelve inches is the stipes, width nine inches in the middle of 

 the frond. Pinnae distant, opposite or subopposite, ascending, 

 acuminate, about ten or eleven pairs. Pinnules lax, sometimes 

 opj)osite, sometimes alternate, long, narrow, and rounded more 

 or less at the apex, and frequently dilated, or even forked. 

 A hemlock-looking variety when growing vigorously. Stipes 

 densely scaly. My thanks are due to Mr. P. Neill Fraser for 

 fronds. 



Fig. 264.— Middle pinna. 



Davalltoides, Loioe. (Fig. 264.)— An interesting, slender, 

 2>ara//m-looking form, found in August, 1864, at Callender, by 



