250 



BRITISH FERNS 



a dwarf form, shaped like a trident, was found in N. Devon by Mr. 

 Dadds. 



S.-c. Hillmanii (Plate XXXVII). — Fronds arrow-shaped, with 

 crested barbs, and heavy terminal crest to frond. 



Sagittato-grandiceps. — Raised by the writer from a wild find 

 of sagittato-lobatum ; basal lobes densely and heavily crested, as is 

 also the frond tip, each frond consisting of three close-set bunches, 

 with bulbils on leafy portion. 



" S ^W 



Fig. 304. S. v. saggitato-projectum. 



Fig- 3°5 • S. v. sinum. 



S.-projectum (Fig. 304). — Found Tiverton by Rev. C. Padley, 

 and subsequently several very fine forms were found by Moly in 

 Dorset, Sclater in Sligo, Smithies in Westmoreland, Westropp 

 in Co. Clare, and Whitwell near Kendal ; the last-named is shorter 

 and muricate. 



Scalpturatum. — In this the surface is roughened like rugosum, 

 but on sharper and more file-like lines. 



Sinum ..(Fig. 305). — Really a form of pcrai evens, the frond ending 

 abruptly with a pocket and projecting thorn 



