CATALOGUE OE PERNS. 
67 
scandent ; ultimate segments cuneiform, entire, lobed or laci- 
niated. Veins dichotomously forked ; venules free, soriferOus on 
their apices. Sori simple or binate. Special and accessory in- 
dusia forming a vertical, urceolate or, by confluence, oblong, spo- 
rangiferous, marginal cyst. 
1. O. tenuifolia, J. Sm. Davallia tenuifolia, Sw. — East Indies 
and Malay Archipelago. 
2. O. acuieata, J. Sm. Davallia aculeata, Sm. ; Hook. Sp. Fil. 
t. 54. Adiantum aculeatum, Linn. ; Plum. Fil. t. 94. — 
West Indies. 
97. MICROKBPIA, Presl. 
(Davallise sp., And.) 
Vernation adherent, uniserial, sarmentose. Fronds pinnate or 
bi-tripinnatifid, 1-6 feet high. Veins simply or pinnately forked ; 
venules free, the exterior one or more soriferous. Indusium at- 
tached by its broad base only, or by its base and sides, consti- 
tuting a simple, cucullate or semi-urceolate, vertical cyst. 
1. M. crisfcafca, J. Sm. Fn. Fil. Philipp. Davallia lihasyana, 
Hook. Sp. Fil. t. 57. — East Indies. 
2. M. platyphylla, J. Sm. Davallia platyphylla, L>. Lon. 
Davallia Lonchitidea, Wall. ; Hook. Sp. Fil. t. 46 B . — 
East Indies. 
3. M. polypodioides, Presl ; Hook. Gen. Fil. t. 58. Davallia 
polypodioides, L. Lon. Polypodium nudum, Forst. Da- 
vallia rhomboidea, Wall. Davallia flaccida, P. Br. — East 
Indies, Polynesia. 
4. M. Movse-^elandise, J. Sm. Davallia Novse-Zelandise, Co- 
lenso ; Hook. Sp. Fil . t. 51 B. Davallia hispida, Hew . — 
~New Zealand. 
98. DEFAEIA ; Hook, et Grev. 
Vernation subfasciculate, decumbent. Fronds bipinnatifid, 
1-2 J feet long. Veins pinnate ; venules free. Sori terminal, 
