BY W. W. WATTS. 793 



basalem alam mergentibus; rhachi atra, angusta, levi vel sublevi, 

 superficiebus levibus vel sublevibus; venis simplicibus, flexuosis, 

 evanidis; venulis paucis, indistinctis, evanidis. Sori parvi, 

 juventate elongati, obliqui vel subobliqui, immersi, depressione 

 elationem in antica facie efficiente, usque ad 5 in serie, raediales, 

 interdum a marginibus recurvis tecti. Sporangia numerosa ; 

 sporis raagnis, rotundatis, viridibus. Textura subcoriacea. 



On trees and the faces of boulders, Tully Falls; Watts and 

 Gordon; August, 1913. 



May be compared with P. Walleri Maiden ife Betche, from 

 which, however, it differs in its larger size, its more numerous 

 elongate sori, etc. By its elongate sori, and its naked or nearly 

 naked rhachis and surfaces, it appears to differ sufficiently from 

 any of its allies. P. fusco-pilosiwi Bak. et F.v.M., with which 

 this plant may be compared, differs in having a longer stipes, the 

 rhachis and surfaces covered with dark red hairs, the scales 

 setaceous, etc.; it also lacks the distinctly black rhachis of P. 

 Gordoni, as seen from the under side. 



P. Maideni, sp.nov. (Plate Ixxxix., figlla-d). 



Rhizoma robustum, repens, longe radiculosum, radiculis plus 

 minusve rubro-hirsutis, paleaceum, paleis sub-brunneis lanceo- 

 latis, cum rigidis fusco-brunneis setis prseditis. Stipites approxi- 

 mati, brevissimi, fere nulli, brunneo-setacei. Frons 15-25 cm. 

 longa, 3-5 cm. lata, lineari-lanceolata, cito ad basin et subcauda- 

 tum apicem angustans, pinnata vel profunde pinnatifida; pinnis 

 erecto-patentibus, multijugatis, alternantibus, linearibus, 1-5-2 

 cm. longis, 3-4 mm. latis, integris, sed apice subcrenatis et saepe 

 angustatis, basi confluentibus eb subcomplicatis, margine sub- 

 recurvis; rhachi et facie postica (interdum facie antica) setis 

 brevibus, rigidis, fusco-brunneis prseditis ; venis simplicibus, 

 solutis, non marginem attingentibus, plus minusve distinctis. 

 Sori pauci (1-8) pinnarum apices versus vel in superiore dimidio, 

 submarginalos, profunde immersi in receptaculis crateriformibus, 

 cum elatis setaceis marginibus, in pinnarum crenationibus, in 

 facie antica projicientes. Textura subcoriacea. 



Evelyn Scrub; R. F. Waller, December, 1908 (Hb. Syd., sub 

 P . fusco-pilosum Bak. et F.v.M.). 



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