69 121 
13. Stipe at base with many long, brown 
scales. "ye T E a 75. D. Rimbachii Ros. 
13. Stipe at base with a few scattered 
short scales. 
14. Rachis and cost: beneath short- 
ly setose 130. D. Pavoniana (Kl.) C. Chr. 
14. Rachisand costz villous by long, 
pluricellular hairs 
170. D. multiformis n. sp. 
. 12. Several pairs of distant gradually or ab- 
ruptly reduced pinne. 
13. Stipe very densely clothed with 
woolly hairs........ 166. D. lanipes C. Chr. 
13. Stipe glabrous or sparsely pubescent. 
14. Lamina gradually narrowed 
downwards 
98. D. Galanderi (Hieron.) C. Chr. 
14. Lamina abruptly narrowed 
80. D. lustrata (Hieron.) C. Chr. 
6. Rachis (and coste beneath) more or less scaly. 
7. Scales rather few, small and narrow-subulate, brown. 
8. Whole leaf throughout hairy by short pseudo-stellate 
hairs, i. e. the hairs are often found in bundles of 
2—5 originating from the same epidermal cell 
100. D. phacelothrix C. Chr. et Ros. n. sp. 
8. Leaf with ordinary simple hairs. 
9. Lamina coriaceous. Segments broadly triangular 
101. D. caucaensis (Hieron.) C. Chr. 
9. Lamina firmly herbaceous. Segments oblong 
102. D. Funckii (Mett.) O. Ktze. 
7. Scales of rachis very numerous, broad, yellowish, 
glandinloserks sq dU EOM cec 103. D. velata (Kze.) O. Ktze. 
5. Lower pinne petiolulate. 
6. Pinnz entire or subentire, '/2—1'/2 cm long. Indusium 
pexsistenbedenselyasetose to Hr 54. D. pusilla (Mett.) O. Ktze. 
6. Pinne 2— em long, deeply lobed or pinnatifid. Indusium 
absent or minute. 
7. Pinnz with a truncate base. Sori oblong-linear 
104. D. aspidioides (Willd.) C. Chr. 
7. Pinnz with a cuneate base. Sori oblong-linear or round 
105. D. ptarmica (Kze.) O. Ktze. 
3. Pinne 2—5 em broad, 10—15 cm long, the lower 3—5 pairs as a 
rule reduced (type III). Most species large. 
4. Sori all round. 
5. Rachis without scales. Segments rarely 5 mm broad. 
6. Leaf-tissue glabrous, at least not densely pubescent by 
adpressed hairs. 
7. Lamina papyraceous or membranous. 
8. Pinnz pinnatifid only; most segments entire. 
9. Rachis glabrous beneath or deciduously hairy. 
10. Lamina beneath with large, red glands. Sori 
medial, indusium large, glandulose. 
106. D. pachyrachis (Kze.) O. Ktze. 
