BRISTLE FERN. 81 



many cases, however, so small as to be scarcely 

 recognizable. 



SCOLOPENDRIUM VULGARE MULTIF1DUM has the 



fronds forked, either near the apex or sometimes near 

 the base. They are strap-shaped below, and then cut 

 out into irregular fan-shaped expansions at the top. 

 Sometimes they are cut into more acute lobes, and it 

 is then known as Scolopendriwn lobatum. 



BRISTLE FERN. 



TRICHOMANES RADICANS. 



[Swartz, Hooker, Babington, Newman, and entham.] 

 (Fig. 36.) 



SYNONYMS. 



TRICHOMANES BREVISETUM. Brown and Smith. 

 TRICHOMANES SPECIOSUM, EUROPEUM, PYXIDIFERUM, 

 and ALATUM of authors. 



THIS beautiful fern exists only in the close vicinity 

 of water. It is of a semi-membranous texture. The 

 fronds are three or four times pinnatifid; the seg- 

 ments alternate, linear, entire, or two-cleft and obtuse. 

 The fronds are from six to eight inches high, includ- 

 ing the rather long stalk. The root is very fibrous 

 and creeping, as is the stem, which is wiry, black- 



Q 



