LASTREA SPINULOSA. 329 



variety is described by Dr. Deakin in his *'Florigraphia 

 Britannica." 



Interrupta, Moore. — Found at Malton, Yorksbire, by Mr. 

 C. Monkman. Pinnules irregularly developed, occasionally 

 depauperated, some much larger and broader than usual. 



Tripixnata, Moore. — Locality uncertain. It was brought 

 into notice by Mr. F. C. Wilson, of Stamford Hill. A handsome 

 Fern. Fronds narrow, erect, and stiff. Pinnae short. Pinnules 

 small, the anterior and posterior ones unequal in size. The 

 pinnules distinctly divided into pinnulets, which are oblong, 

 obtuse, lobate-serrate, or biserrate. 



Strigosa, Moore. — Found in Pett*s Wood, St. Paul's Cray 

 Parish, Kent, by Mr. E.. Sim. Differing in having the spiny 

 teeth longer and more bristly than usual. When growing 

 wild its pinnules were somewhat depauperated, distant and 

 confluent, but under cultivation these pecidiarities have 

 disappeared. 



