V. SOHIZAEA.CEA.E. 



lO. LYOODIU»l- Swaff». 



1. EULYGODIUM. 



Barren pinnae forked, palmate, digitate or dichotomoiis. 

 1. Spikes in rows along the undivided margin of the fertile segments. 

 S. Hairs of the gemmiform apex of the rachis and primary 

 petioles brown or yellow. 



3. Divisions of fertile pinnae auricidate, at least on one side 

 at the base. (!) L. semihastatum. 



3.3. Divisions of fertile pinnae not auriculate at the base. 

 J. Divisions subtruncate at the base. 



(2) L. Teysmannii. 

 S:.M. Divisions cuneate at the base. 



S. Barren pinnae palmatifld, or dichotommis with 

 2Mlmalifi,d segments. (3) L. circinatum. 



S.S. Barren pinnae not palmatifid. 



(3a) L. borneense. 



2.S. Hairs of the gemmiform apex of the rachis and primary 



petioles blackish. (4) L. digitatum. 



1.1. Spikes in groups either on the incised margin of the segments or 



on variously divided fertile segments. 



• Spores not reticulate-crested. 



•$• Fertile pinnae not paniculiform. (5) L. trifurcatum. 



•j-f Fertile pinnae paniculiform. (5a; L. dimorphum. 



•9 Spores reticulate-crested. (bb) L. Moszkowskii. 



I. Barren pinnae pinnate, the pinnulae variously divided. 

 h., h.b., etc. 



