), hairy; leaves two to four situations pinnately compound, glabrous or hairy; sori generally marginal or submarginal, discrete or in a very roughly uninterrupted line, the indusium cup-shaped or lateral and elongate, from time to time also While using the section margin reflexed; sporangia Together with the annulus vertical; spores https://balloonarchframe19753.worldblogged.com/42851806/the-basic-principles-of-ballon-arch