182 FERNS I BRITISH AND FOREIGN. 





1. P. Brownii, J. Sm. ; Lowe's Ferns, 3, t. 29. Adiantum 



paradoxum, B. Br. Pelleea paradoxa, Hook. Fil. 

 Exot. t. 21 ; Sp. Fil 2, t. 3 A. Pellasa cordata, Fee (non 

 J. Sin.}. Australia. 



2. P. falcatum, J. Sm. ; Lowe's Ferns, 3, t. 30 A B ; Hook. 



Gen. Fil. t. 115 A (exd. name P. Brownii). Pteris 

 falcata, E. Br. Pteris seticaulis, Hook. Ic. PI. t. 207. 

 Pellsea falcata, Fee ; Hook. Sp. Fil. 2, t. Ill B East 

 Indies, Australia. 



3. P. rotundifolium, J. 8m. ; Lowe's Ferns, 3, t. 24 A 



Pteris rotundifolia, Forst. ; Sclik. Fil. t. 99 ; Hook. Ic. 

 PI. t. 422. Pellsea rotundifolia, Hook. Fil. Exot. 

 t. 48 New Zealand. 



93. ADIANTUM, Linn. 





Vernation distant, sarmentose or subfasciculate, decumbent 

 and caespitose. Fronds simple-reniform, pinnate or bi-tripin- 

 nate ; pinnas and pinnules articulated with the petiole ; costa 

 excentric or obsolete. Veins unilateral or radiating, forked ; 



Genus 93. Portion of mature frond, under side. No. 16. 



venules free, terminating in the axis of a reflexed orbicular or 

 elongated portion of the margin (indusium), which is altered in 

 texture, venose and sporangiferous on its under side, ultimately 

 becoming replicate. 



