ASPI,F,N1U>[ ADIAXnM'M-N'IGlUM. 183 



broader lobes of the pinnules than acutum. Pinnules ovate- 

 lanceolate, profoundly pinnatifid, the lobes narrowly oblong- 

 cuneate. Sori crowded in the centre of the pinnules. 



FissuM, Moore. — Found at Combe Royal, near Kingsbridge, 

 South Devonshire, by Miss Hoseason. Very inconstant in 

 form, yet retaining the same general characters. Ijarge. 

 Fronds broadly ovate, occasionally oblong or ramose, or 

 irregular. Usually tripinnate at the base of the pinnules, 

 becoming more and more confluent in the upper parts. Pinnules 

 large, coarse, irregularly developed, having a narrowed cuneate 

 character below, more or less lobcd upwards, lobes unequally 

 cut into lengthy linear teeth. Sori confluent, elongate, and 

 sometimes more than half an inch long. Fronds often caudate. 

 The pinnules irregularly cut, and abnormal in appearance. 



Decompositum, 3Ioore, (Asplem'uni silcsiacum of Milde.) — 

 Found at Manaton, in Devonshire, by the'Hev. J. M. Chanter. 

 Quadripinnate. Resembling acutwn, except that the ultimate 

 parts, though narrow, are rounded ofi" and blunt, and the 

 texture is more coriaceous. The absence of the linear seg- 

 ments, and the blunt character of the few teeth, cause the 

 form to be distinct. 



Obtusum, Moore. — A wide-spread variety, which is well 

 represented by the figure 524 frariegatiim,) and therefore needs 

 no illustration. 



