98 55. DIPLAZIDM. § 1. EOTIPLAZniM. 



«.«. Fronds rather broad. (256) D. acuminatum. 

 a.3. Rachis more or less scaly or hairy. 



§. Pinnae acute at the base. (26) D. petiolare. 



$.$. Pinnae broadly cuneate to truncate at the base. 

 •{•. Pinnae 2 — iO c.M. long. 



+. Stipes scaly or fUrillose throughout. 



X. Pinnae + J2— ^'/a '^■^- ^^^9> Vj— 1 



C.M. broad. (27a) D. grammitoides. 



^ x.x. Pimme to ± iO c.M. long, + 2 



C.M. broad. (276) D. Woodii. 



+.+. Stipes villose or tomentose, at least on 



the upper {innar) side, sometimes scaly 



' ' - -- - » 



at the base. 



X. Surfaces villose, pilose or fibrillose. 

 '(28o)'D. Petersenii. 

 x.x. Surfaces naked, eoccept on the costulae 

 beneath. (286) D. Burchardi. 



•i-.f. Pinnae iO — SO c.M. long in the fully develop- 

 ed fronds. (29a) D. sorzogonense. 

 (296) D. brachysoroides. 

 2.3. Lower pinnae pinnate, at least at the base. 



a. Stipes muricate. (30) D. Prescottianum. 



a.a. Stipes not muricate. 

 p. Rachis + naked. 



■f. Lower pinnae reduced. 



(51a) D. brachypodum. 

 7.7. Lower pinnae not reduced. (516) C. Bolsteri. 

 |3.j3. Rackis scaly. (32) D. crinitum. 



1.1. Texture rather coriaceous. 



"f. Rachis hairy or tomentose. ' (53) D. tomentosum. 



i-.f . Rachis naked or + scaly. 



+. Lateral pinnae commonly + 6 — iO-fugate, lobed. 



(54) D. bulbiferum. 

 +.+. Lateral pinnae commonly + iO — 20-jugate, pinna- 

 tifid. 

 !. Fronds + 6—15 c.M. broad. (55a) D. Whitfordi. 

 !.!. Fronds + 20 — 35 c.M. broad. 



(556) D. speciosum. 



