416 PERCY SLADEN TRUST EXPEDITION 



33. AsPLENiUM AFFINE, Sw. ; C. Chr. Ind. 100. — A. cuneatum, var. c0,ne, Baker, PI. 



Maur. 489. 



Ma]i6, Gardiner ! Thomasset ! 



Distribution. Common in the South-east African islands ; tropical Asia and Polynesia. 

 It may be a variety of A. cuneatum. Lam., the typical form of which is West Indian. 

 Some of the leaves are proliferous at the apex (conf. A. viviparioides, Kuhn). 



34. AsPLENiTJM BULBIFERUM, Porst. ; Baker, Fl. Maur. 489 ; C. Chr. Ind. 103. 

 Seychelles, Kirk (fide Baker, not seen). 



Whether this is the true A. bulUferum, Forst., I cannot say. Kulin did not list 

 A. bulbiferum as an African species. 



35. STENOCHLiENA Pervillei (Mett.), Underw. Bull. Torr. Club, xsxiii. (1906), 49, 

 fig. l.—Lomariopsis Fervillei, Mett. ; Kuhn, Pil. Afr. 53. Acrostichum sorbifolium. 

 Baker, Fl. Maur. 513. 



Mahe, Gardiner ! Thomasset ! ; common over 1000 feet. Silhouette, Gardiner ! ; rare 



epij)hytic climber. 



Endemic. The upper base of the sterile pinnae is commonly nearly parallel to the 

 rachis, and not so cuneate as shown in Underwood's figure quoted above. 



36. Stenochl^na tenuipolia (Desv.), T. Moore ; C. Chr. Ind. 626.— Acrostichum tenui- 

 folium. Baker, Fl. Maur. 513. Folybotrya tenuifolia, Kuhn, Fil. Afr. 52. 



Seychelles, Ferville, 464 (fide Kuhn, not seen). 



Distribution. Tropical and South Africa, with the adjacent islands. 



37. Ceropteris calomelanos (Linn.), Underw. ; C. Chr. Ind. 169. 

 Mahe, Gardiner ! 



An American species, probably introduced, as in several tropical countries in the Old 

 World. 



38. Pell^a Doniana, Hook. ; Baker, Fl. Maur. 477 ; C. Chr. Ind. 479. 



Mahe, Gardiner ! Thomasset I Silhouette, Gardiner ! " This fern occurs right 

 down in the mangroves at Grande Barbe." 



Spread through tropical Africa ; not known from the other islands. 



39. Pell^a viridis (Forsk.), Prantl ; C. Chr. Ind. 483. — P. hastata, Link; Baker, Fl. 

 Maur. 478. Pteridella viridis, Mett. ; Kuhn, Bot. v. Ost-Afr. 16. 



Seychelles (fide Baker, not seen). 



Through tropical Africa to the Cape and the South-eastern islands. 



40. Adiantum caudattjm, Linn. ; Baker, Fl. Maur. 474, part. ; C. Chr. Ind. 24. 

 Seychelles, Kersten, 9 (fide Kuhn, not seen). 



Tropical Africa and Asia. 



