396 55. DiPLAauM. § 1. eudiplazium. 



c. Texture ± herbaceous to papyraceous. (*) 



il. Under surface densely scaly on the veins. (4) D. chlorophyllum. 

 d.d. Under surface not densely scaly on the veins. 



e. Pinnae truncate, rounded or broadly cuneate at the base. 

 %. Stipes + scaly. 



;tc. Pinnae + 6 on each side, not hastate at the 



base. (5a) D. inconspicuum. 



:^.i^. Pinnae + 8 — 9 on each side, hastate at the 



base. (56) D. Weinlandii. 



$.$. Stipes naked, or scaly at the base. 



5)c. Main veins simple or forked. (6) D. camarinum. 



i^.:iii:.Main veins, pinnate. (7) D. silvaticum. 



e.e. Pinnae more narrowly cuneate at the base, or the lower 



base obliquely cut away Sf narrower than the upper. 



f. Stipe and rachis + scaly or' fibrillose, the scales or 



fibres persistent or deciduous. 



g. Fronds narrow, + 3 c.M. broad. Pinnae pro- 

 minently auricled at the base above. 



(8) D. acrotis. 



g.g. Fronds broader, ± 3'/j — 5 c.M. broad. Pinnae 



not auricled at the base. (9) D. biseriale. 



f.f. Stipe and rachis naked. (10) D. aequibasale. 



C.C. Texture ± chartaceous to coriaceous. 



d'. Rachis pubescent, at least on the upper [inner) side. 

 §. Pintae paudjugate, rather broad. 



X. Fronds small. (11«) D. barisanicum. 



x.x- Fronds middle-sized. (H^) D. tabacinum. 



$.$. Pinnae multijugate, rather narrow. (12) D. confertum. 

 <l.'<l'. Rachis ± naked, or sometimes slightly pubescent. 



e'. Pinnae unequal-sided at the base, i.e. the upper base ± 

 broadly, the. lower + narrowly cuneate. 

 >|c. Stipes stramineous. Fronds pale-green. 



(13) D. pallidum. 

 Hi:. ii/i. Stipes bluish-glaucous. Fronds saturate-green. 



(14) D. vacillans. 



(*) See also D. balblferam, Brack., Wllliamsi, Copel. 8f erammltol- 

 des, Pr. 



