572 71. POLYPODIUM. § 1. EnPOLYPODIHM. a. INTEGBIFOLUE 



X. Rhizome shori - eroopingi R- jZi/<to. (9a) P. locellatum. 

 x.x. Rhisomo oro G t. F-<^'nCSo ^e^i^Au.i^V) P. paucisoram. 

 *.». Fronds 5— 15 m.M. broad. 



3. Sori medial between the midrib, and edge. 



(10) P. Slanleyanum. 

 3.3. Sori nearer the midrib than the edge. 

 S:. Fronds sessile or subsessile ('). 



S. Veins simple. (11) P. diminutum. 



S.S. Veins forked. 



e. Fronds tufted. (12) P. malaicum. 



6.€. Fronds scattered or approximate. 



7. Sori rather close. (13) P. australe. 



7.7. Sori rather distant. (14) P. adspersum. 

 4.4. Fronds decidedly stalked. 



§. Fronds short, to + i5 c.M. long. 



(15) P. subselligueum. 

 §.$. Fronds longer, more than i5 c.M. long. 



X. Rhizome scales broad. (16o) P. fasciatum. 



X.X- Rhizome scales narrow. (166) P. subfasciatum. 

 1.1. Stipes or fronds more or less distinctly hairy, lomentose, furfuraceous 

 or scaly, at least on the midrib or the margin (*). 

 S". Fronds narrow, to + 5 m.M. broad. 

 3'. Fronds short, to 5 c.M. long. 

 A'. Fronds not densely hairy. 



S. Fronds minute, under 3 c.M. long. 

 «'. Under surface slightly pubescent. 



(17) P. vittariifolium. 



€'.€'. Both surfaces covered with brown, scattered 



hairs. (18) P. Merrillii. 



S'.S. Fronds somewhat larger, ± S'/j — 5 c.M. long 



when fully developed. 



)(c. Fronds sessile. (19) P. universe. 



i(..ifi. Fronds stalked. 



(20) P. sucklingianum. 

 A'.M:'. Fronds densely hairy. 



•h awy ,. (21) P. lasiosorum. 



(') See also P. sabfasclatnm, Rst. 



(*) See also P. aastrale. Melt. & omatlsslmum, RsL 



