■ - 20 - 



ail toothed, the valves of the indusium often more sharply toothed, 

 and the réceptacle slender, subfiliform, at best inconspicuously 

 clavate in the smaller forms. 



Mindanao {Moimt Apo, Elmer No. 11799). 



Hymeiio|>li.yiiiiBi iiaiilotactiim. r.A.v.H» 



EuhymenophyUum. — E.. Blumeano affinis sed frondes majores, 

 ca 15 — 20 cm longae, ca 5 — 20 cm latae, angustissmiae lanceo- 

 latae, latissimae deltoideae et ad basin latissimae; pinnae erecto- 

 patentes vel horizontales; sori in planta adulta. partes superiores 

 pinnarum omnium occupantes, indusio profunde 2-valvo, valvis 

 oblongis, ovatis vel obovatis, apice angustatis, rotundatis vel 

 truncatis et saepe irregulariter eraarginatis vel crenatis; recepta- 

 culum lineare, non exsertum. 



Java {Mount Slamat, Backer No. 304). 



Hymeiiopliyiliini brevidens. r\A.t\Mi. 



Leptocionium. — Il. holochilo C. Chr. (forma typica) affine sed 

 stipites longiores, crassiores, decidue longe ferrugineo-pilosi ; frondes 

 majores, ovatae, ca 12 cm longae, ca 9 cm latae, 4 — 5-pinnatae, 

 rachidibus omnibus alatis et subtus decidue longe ferrugineo-pilosis, 

 segmentis ultimis numerosis, ca 1/2 mm latis, margine non vel 

 vix crispatis, remote brevi-serrulatis ; sori in pinnulis subaxillares, 

 indusio oblongo, 2-marginato, basi longitudinaliter cristato, lobis 

 subtriangularibus, integerrimis vel obsolète répandis. 



New Guinea [Johannes-Keyts Mountains, le Cocq d'Armandville 

 No. 238). 



Iieeaiio|)teriN Ciiiii^ii. Btk„ Journ. of Bot., XIX, 



366; Hk., Icon. PL, XVII, tab. 1607; this Buh., tab I, fig. 1; 

 Polypodium naviculare, v. A. v. R., Mal. Ferns, 627. 



Differs from the follov^nng in having the soriferous teeth 

 (lobes) erect or erecto-patent, laterally compressed and mostly 

 (not invariably) twisted with the mouth of the cavity facing towards 

 the apex or the margin of the pinna and more or less rounded 

 on the outer side, broadly sessile and the inner edge of the ca- 

 vity close to the line of the margin of the pinna or even sur- 

 passing this. 



Also in Java {Bantam Residency, C. A. Backer No. 755). 



