Dryopteridaceae

Veins free

Ridges of the upper surface of the main rhachis never continuous with margin of the frond. Channel of the main rhachis glabrous or clothed with scales. Costae and costules without oblong or rounded, glandular hairs

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Indusia orbicular-reniform, attached by a deep sinus, rarely interspersed with a few peltate indusia. Basal acroscopic pinnule or lobe of the middle primary pinnule much closer to the main rhachis than the basal basiscopic pinnule or lobe. Lamina often basiscopically produced. Rhizomes long-creeping. Main rhachis without scaly buds Arachniodes

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Indusia orbicular-peltate. Basal acroscopic pinnule or lobe of the middle primary pinnae not distinctly closer to (Fig. 10) or slightly more remote from the main rhachis than the basal basiscopic pinnule or lobe. Lamina not basiscopically produced. Rhizome short and erect. Main rhachis with scaly proliferous buds in some species Polystichum