TEICHOMANES RADICANS. 



283 



BRISTLE FERN, {halj the natural size). 



Genus. — Teichomanes. All the veins prominent, wiry ; 

 midvein distinct ; lateral veins branched ; the anterior branch 

 is continued through the margin of the leaf, and on its naked 

 projecting portion are seated the capsules, inclosed in an urn- 

 shaped involucre : caudex a creeping hairy rhizome. 



Species. — Radicans. Stipes about as long as the frond : 

 frond pendulous, deltoid, twice or thrice pinnate. 



