﻿598 53. DIPLAZIUM. § 1. EUDIPLAZIUM. 



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

 3.3. Rachis more or less scaly or hairy. 



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



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

 f. Pinnae 2—iO c.M. long. 



+. Stipes scaly or fibrillose throughout. 



X. Pinnae ± 2—3^j^ c.M. long, 7j— 1 



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



x.x. Pinnae to + iO c.M. long, + 2 



C.M. broad. {%lb) D. Woodii. 



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



the upper {inner side), sometimes scaly 



at the base. 



X. Surfaces villose or short-hairy. 



(28a) D. Petersenii. 

 x.x. Surfaces naked, except on the costulae 

 beneath. (286) D. Burchardi. 



f.f. Pinnae iO — 20 c.M. long in the fully develop- 

 ed fronds. (29a) D. sorzogonense. 

 (296) D. brachysoroides. 

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



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



a.a. Stipes not muncate. 

 /3. Rachis + naked. 



y. Lower pinnae reduced. 



(51a) D. brachypodum. 

 7.7. Lower pinnae not reduced. (316) C. Bolsteri. 

 jS.p. Rachis scaly. (52) D. crinitum, 



±.1. Texture rather coriaceous. 



•f . Rachis hairy or tomentose. (53) D. tomentosum. 



•f-.f. Rachis naked or + scaly. 



+. Lateral pinnae commonly ± 6 — iO-jugate, lobed. 



(34) D. bulbiferum. 

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

 tifid. 

 t. Fronds ± G—i5 c.M. broad. (55a) D. Wbitfordi. 

 .»..'. Fronds ± 20—35 c.M. broad. 



(556) D. speciosum. 



