﻿93. DIPLAZIUM. § 1. EUDIPLAZIUM. 399 



a.a.a.a. Fronds copiously 2-pinnate to 3-pinnatifid (*). 

 h. Pinnulae lobed at best ^j^-way down to the casta. 

 c. Rachis naked or glahrescent. 



d. Fronds herbaceous or membranaceous. 



+. Lobes sharply toothed. (36a) D. cyatheifolium. 



+.+. Lobes obscurely denticulate. (36ft) D. davaoense. 



d.d. Fronds papyraceous to coriaceous. 



e. Stipes smooth. (37a) D. latifolium. 



e.e. Stipes at length sparingly muricate (376) D. dolichosorum. 

 C.C. Rachis tomeniose or scaly. 



X. Pinnulae entire to serrate; main rachis scaly. 



(38) D. manilense. 

 • x.X. Pinnulae broadly and shallowly lobed; main rachis tomentose. 



(39) D. vestitum. 

 b.h. Pinnulae pinnatifid at least ^j^-ivay down to the casta. 



■ 1. Fully developed fronds under 50 c.M. long. (40) D. deltoideum. 

 1.1. Fully developed fronds more than 50 c.M. long. 

 2. Main rachis smooth, unarmed. 



3. Sari reaching nearly to the edge. 



+. Texture thinly coriaceous. (41a) D. Meyenianum. 

 +.+. Texture nearly woody. (^l'^) D. atratum. 



3.3. Sari not reaching nearly to the edge. 

 4. Rachises not ebeneous. 



5. Pinnae 30 — 45 c.M. long; pinnulae + J?'/^ — 5^2 

 c.M. broad. (42) D. amplissimum. 

 5.5. Pinnae 20 — 30 c.M. long; pinnulae + i — 2 

 c.M. broad. 



S. Pinnae paucijugate. (43a) D. oligosorum. 

 6.6. Pinnae multijugate. 



(436) D. polypodioides. 

 ■S:.4L. Rachises ebeneous. (44) D. ebeneum. 



2.2. Main rachis ± asperous, muricate or aculeate. 

 •J-. Costae and costulae not paleaceo-asperous. 



+. Ultimate lobes + rounded. (4Sa) D. asperum. 



+.+. Ultimate lobes truncate. (456) D. fructuosum. 



(*) See also D. crlnltum, C. Chr. 



