﻿396 • 53. DIPLAZIUM. § 1. EUDIPLAZIUM. 



c. Texture + herbaceous to papyraceous. (*) 



d. 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. 



>|c. Pinnae + 6 on each side, not hastate at the 



base. (5a) D. inconspicuum. 



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



base. (56) D. Weinlandii. 



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



:^. Main veins simple or forked. (6) D. camarinum. 



if. ^. Main veins pinnate. (7) D. silvaticum. 



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



base obliquely cut away ^ 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. 



ff.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. 

 §. Piniae paucijugate, rather broad. 



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



x.x. Fronds middle-sized. (116) D. tabacinum. 



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

 d,'d'. Rachis + naked, or sometimes slightly pubescent. 



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

 broadly, the lower + narrowly cuneate. 

 ^. Stipes stramineous. Fronds pale-green. 



(13) D. pallidum. 

 >tc.)i<. Stipes bluish-glaucous. Fronds saturate-green. 



(14) D. vacillans. 



(') See also D. bulblferum, Brack., Wllliam^i, Copel. 8f Grammltoi- 

 des, Pr. 



