60a. PHEGOPTEBIS. § 3l GONIOPTERIS. 49S 



4.41. Pinnae auricled on the upper side at the base. 

 S. Lateral pinnae + 4 on each side. 



(26) Ph.'borneensis. 

 S.S. Lateral pinnae many to numerous. 



e. Pinnae + herbaceous, the lower ones gradually re- 

 duced. (27) Ph. debilis. 

 e.e. Pinnae + coriaceous, the lower ones not reduced. 



(28) Ph. aortisora. 

 3.3. Pinnae more than 5 c.M. long in the fully developed plants. 

 §. Pinnae paucijugate. 



•^. Surfaces pubescent. (29a) Ph. xiphioides. 



•^.r^. Surfaces naked. 



X. FUiizome wide-creeping. Pim i ao 7~^ iO eJ i L.Jsmgi 



(296) Ph. firmula. 

 x.x. Rhizome short-creeping/.' Pinnao 43 ! iS.aiM,_Jm^. . 



(29c) Ph. Ramosii. 

 §.$. Pinnae multijughte. 



:^..' Stipes naked like the rachis. Fronds middle-sized. 



(30) Ph. ruhida. 

 ifi.if.. Stipes scaly, rachis pubescent or furfuraceous. Fronds 

 large. " (31) Ph. arfakiana. 



3.2. Pinnae toothed or lobed. 



a. Fronds under 150 cm. long. 



h. Pinnae irregularly toothed, or lobed at the very apex. 



(32) Ph. granulosa. 

 b.b. Pinnae irregularly lobed. f35) Ph. diversiloba. 



b.b.b. Pinnae regularly toothed or lobed. 



c. Lower pinnae g t tadmfMy reduced. (54) Ph. pennigera. 

 c.c Lower pinnae hardly, if at all, reduced, but the fronds 

 sometimes with a single pair of reduced pinnae at the base. 

 d. Lowest pinnae broadest at the 'base. 



>|<. Texture + coriaceous. (38a) Ph. prolifera. 

 ^.if. Texture ± herbaceous. (5S6) Ph. Merrillii. 

 d.d. Lowest pinnae not broadest at the base. 



e. Pinnae rather short, ovate, obovale or rhomboidal. 

 f. Sori submarginal. (36a) Ph. acromanes. 

 f.f. Sori not submarginal. ■ 



(366) Ph. chamaeotai'ia. 



