Tab. I. 



AfliaBiliiiii l>ocfer!«ii. v\ A. v. ti, 



a. Barren frond, small spécimen, 1 X- 



a. Barren leaflet, 3 X 



a". Portion of barren leaflet, 6 X- 



b. Portion of fertile branchlet, 1 X- 

 h'. Fertile leaflet, S X- 



h". Portion of fertile leaflet, 10 X. 



