182 



PEEKS : BRITISH AUD rOEEIGU. 



1. P. Brownii, /. 8m.; Lowe's Ferns, 3, t. 29. Adiantum 



paradoxum, ii. Br. Pellasa paradoxa. Hook. Fil. 

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

 J. 8m.). — Australia. 



2. P. falcatlim, J. 8m. ; Lowe's Ferns, 3, t 30 A B ; Sooh. 



Gen. Fil. t. 115 A {excl. name P. Brownii). Pteris 

 falcata, iJ. Br. Pteris seticaulis, Soolc. le. PI. t. 207. 

 Pellsea faloata. Fee ; Booh. 8p. Fil. 2, t. Ill B.— East 

 Indies, Australia. 



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



Pteris rotundifolia, Forst. ; 8chlc. Fil. t. 99 ; SooTc. Ic. 

 Fl. t. 422. Pellasa rotundifolia, Hook. Fil. Fxot. 

 t. 48. — ^New Zealand. 



93. ADIANTUM, Lvm. 



Vernation distant, sarmentose or subfascicnlate, deotlmbent 

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

 nate ; pinnae and pinnules ari;icnlated with the petiole ; costa 

 excentric or obsolete. Veins unilateral or radiating, forked ; 



Genus 93. — Portion of mature frond, under side. Ko. \i% 



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

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

 texture, venose and sporangiferoua on its under side, ultimately 

 becoming replicate. 



