322 



LASTREA DILATATA. 



Pinnules distant on the rachis, and ovate-oblong, the basal 

 pinnules only, profoundly cut. Lobes brief, obtuse, and coarsely 

 dentate, with acuminately aristate teeth. Sori abundant, in two 

 lines near the midrib. 



Fig. 270.— Second pinna from base. 



Odontomanes, Moore. (Fig. 270.) — Fronds one foot to 

 eighteen inches in length, four to six inches in breadth, broad, 

 triangular, blunt; pinnae triangular, obtuse; pinnules . broad, 

 deeply toothed. Distinguished by the large teeth of the pin- 

 nules and a somewhat crispy appearance. Gathered in the Vale 

 of Todmorden in 1862. 



Fissa, Monkman. — Found near Malton, in 1862, by Mr. C. 

 Monkman. There was a batch of plants all pretty uniformly 

 cleft at the apices of the fronds. The pinnae are normal. 



Fig. 271. — Second pinna from base. 



Lata, Moore. (Fig. 27L) — A Lowland Scotch plant. One 

 of the broad-fronded forms, having large pinnules, and coarse 

 broadly confluent lobes, which give the fronds a peculiar leafy 

 character. 



