CHErSTENSEN— FEENS OF SEYCHELLES AND ALDABEA 417 



41. Adiantum rhizophorum, Sw. ; Kulm, Fil. Afr. 66 ; C. Clu-. Incl. S3.— A. caudatum, 



part., Baker, PL Maur. 474. 

 Seychelles, Pervllle, 212 (fide Kuhn, not seen). 

 Southern Africa and adjacent islands. 



42. AcTiNiOPTERis AUSTRALis (Linn, fil.), Link ; C. Chr. Ind. 21.—PteiHs dichotoma, 



var. elongata, Mett. ; Kuhn, Fil. Afr. 80. P. dichotoma. Baker, Fl. Maur. 481. AcH- 



niopteris dichotoma, Mett. ; Kuhn, Bot. v. Ost-Afr. 68. 

 Seychelles, Pei'Dille (fide Kuhn, not seen). 

 Distributed from Africa with the South-eastern islands to tropical Asia. 



43. Pteris BARKLYJ3 (Hook.), Mett. ; Kuhn, Fil. Afr. 77 (as BarMeym).—Pell(Ba 

 BarklycB, Baker, Fl. Maur. 477 ; C. Chr. Ind. 478. 



Seychelles, ^«'^" ! Lady BarMy\ Gardiner \ (Mahe). 



Endemic. A very distinct species, the proper place of wliich must be in the genus 

 Pteris. The essential difference between Pellcea and Pteris is the different habit ; in 

 soral characters the two genera agree. In Pellcea the sterile tips of the fertile segments 

 are entire, in Pteris nearly always distinctly serrated; in this character the present 

 species agrees with Pteris. It is perhaps nearest related to Ochropteris pallens (Sw.), 

 J. Sm., from the Mascarenes, resembling it closely in cutting, but the sori are truly 

 pteridoid and the rachis is purplish and polislied. 



44. Pteris biaurita, Linn. ; Baker, Fl. Maur. 481 ; C. Chr. Ind. 593. 

 Seychelles (fide Baker, not seen). 



45. Pteris biaurita, Linn., subsp. P. quadriaurita, Retz. ; Baker, Fl. Maur. 480. — 

 P. nemoralis, Willd. ; Kuhn, Fil. Afr. 86. 



Seychelles, Kersten, 20 (fide Kuhn). Mahe, Gardiner] 



P. biaurita, witli its subspecies quadriaurita, is cosmopolitan in the tropics. 



46. Pteris atrovirens, Willd. ; Baker, Fl. Maur. 482 ; C. Chr. Ind 593. 

 Mahe, Home, 652 (fide Baker, not seen). 



Spread through tropical Africa ; not found in the other islands of tlie Indian Ocean, 



47. Pteris tripartita, Sw. ; C. Chr. Ind. 608. — P. marginata, Bory ; Baker, Fl. Maur. 

 482. 



Silhouette, Gardiner \ Perville {&de Kuhn). 

 Spread througli the tropics of the Old World. 



48. Histiopteris incisa (Thunb.), J. Sm. ; C Chr. Ind. 352. — Pteris incisa, Baker. Fl. 

 Maur. 483. 



Mahe, Gardiner] Perville, 76 (fide Knhn). 



Through the tropics and the southern temperate regions. 



oS — '^ 



