. Our ferns in their haunts [microform] : a guide to all the native species. Ferns; Fougères. 212. THE BLADDER FERNS. striking and little attention is paid to them. The variety dcntata has narrow bipinnate fronds with blunt pinna; and pinnules, the latter toothed. The variety atigustata has broad, nearly tri- pinnatc fronds witli acute, rather lan- ceolate, pinnules with sharply toothed lobes. Variety laciiiiata has the pinnules cut into irregular narrow teeth. The author once collected this species in the mountains of a tropi- cal islan('. where it grew in the crevices of a ledge that interru
![. Our ferns in their haunts [microform] : a guide to all the native species. Ferns; Fougères. 212. THE BLADDER FERNS. striking and little attention is paid to them. The variety dcntata has narrow bipinnate fronds with blunt pinna; and pinnules, the latter toothed. The variety atigustata has broad, nearly tri- pinnatc fronds witli acute, rather lan- ceolate, pinnules with sharply toothed lobes. Variety laciiiiata has the pinnules cut into irregular narrow teeth. The author once collected this species in the mountains of a tropi- cal islan('. where it grew in the crevices of a ledge that interru Stock Photo](https://c8.alamy.com/comp/REMHC5/our-ferns-in-their-haunts-microform-a-guide-to-all-the-native-species-ferns-fougres-212-the-bladder-ferns-striking-and-little-attention-is-paid-to-them-the-variety-dcntata-has-narrow-bipinnate-fronds-with-blunt-pinna-and-pinnules-the-latter-toothed-the-variety-atigustata-has-broad-nearly-tri-pinnatc-fronds-witli-acute-rather-lan-ceolate-pinnules-with-sharply-toothed-lobes-variety-laciiiiata-has-the-pinnules-cut-into-irregular-narrow-teeth-the-author-once-collected-this-species-in-the-mountains-of-a-tropi-cal-islan-where-it-grew-in-the-crevices-of-a-ledge-that-interru-REMHC5.jpg)
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. Our ferns in their haunts [microform] : a guide to all the native species. Ferns; Fougères. 212. THE BLADDER FERNS. striking and little attention is paid to them. The variety dcntata has narrow bipinnate fronds with blunt pinna; and pinnules, the latter toothed. The variety atigustata has broad, nearly tri- pinnatc fronds witli acute, rather lan- ceolate, pinnules with sharply toothed lobes. Variety laciiiiata has the pinnules cut into irregular narrow teeth. The author once collected this species in the mountains of a tropi- cal islan('. where it grew in the crevices of a ledge that interrupted the flow of a mountain torrent. When the rainy season swells the volume of water, all the fronds arc washed away, but as soon as it subsides, a new crop is produced. Since there are two rainy seasons in this place the plant seems regularly to produce two sets of fronds each year. BUI.BIFRROUS BLADDER FERN. Cy/'tfl/'tfris hulii/cra. The Bulbiferous Bladder Ftrn, Wherever there is a line of shaded, dripping cliffs, especial- ly in limestone regions, one may look for the bulbiferous bladder fern {Cystopteris. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Clute, Willard N. (Willard Nelson), 1869-1950. Toronto : W. Briggs