208 22. DRYOPTERIS. § 2. NEPHRODIUM. 



•{•. Sori submarginal, or terminal on the veins. 

 :^. Pinnae + 6 c.M. long, cut '/^ — \-way down. 



(105) D. Benoitiana. 

 >tc.)(c. Pinnae + T'/^ — 9 c.M. long, cut ^l^-way down or 

 more. (106). D. didymosora. 



•{•.•{•. Sori medial, or lower on the veins. 



(107) D. microchlamys. 

 a.a. Lower pinnae conspicuously reduced or dwindling down into mere 

 auricles. 

 |3' Lower pinnae gradually reduced. 



:^. Stipe and rachis glaucous. (108) D. glaucostipes. 



:4c. ;tc. Stipe and rachis not. glaucous. 



+. Fronds under 75 'c.M. long. (109) D. perakensis. 



•J-.f. Fully developed fronds more than 75 c.M. long. 



(110) D. sumalrana. 

 P'.j3'. Lower pinnae suddenly reduced. 



y'. Pinnae cut. less than ^j^-way down to the costa (*) 



<5'. The lowest veins anastomosing. Pinnae provided with a 



short, thick gland at the base beneath. (Ill) D. stipellata. 



S'.S'. The 2—6 lower veins anastomosing, or pinnae without 



a gland at the base. (112) D. truncata. 



y'.y'. Pinnae cut mare than ^j^-way ifown to the costa. ^ 



ii/:. Veins 3 — 4 on each side of the coslulae. 



(113) D. hispidula. 

 if..-)(.. Veins 6 — dO on each side of the coslulae. 

 X. Stipe and rachis hairy. (H^) D. heterocarpa. 



x.x. Stipe and rachis scaly. (US) D. crinipes. 



(63). D. Bakeri, Copeh, Philipp". Journ., II, 40S ; D. canescens, C. 

 Chr., var., C. Chr., Ind. Fil. ; Aspidium canescens, Christ, Ann. Btz., XV, 130, 

 p.p.; Nephrodium Bakeri, Harr., Copel., Polypod. Philipp., 27; Hk., Icon. PI., 

 XVII, tab. MDCLXIV. 



Stipes clustered, light-brown, villose or scaly, 5 — 13 c.M. long. Fronds 

 7 — 15 C.M. long,l— aVi c.M. broad, oblong-oblanceolate, obtuse, coarsely crenate, 

 the segments extending about ^s ^^^ distance to the midrib, with usually 

 2 — 4 distant, oblong-ovate, sessile pinnae at the base, rather smaller than the 



(*) See also D. abortiva 0. Ktze, & megaphylla, C. Chr, 



