. British ferns and their varieties. Ferns. BRITISH FERNS Fig. 307. S. 7'. spirale. Spirale (Fig. 307).—Found in several places ; a dwarf, undulate form, twisted like a corkscrew, and with very thick, leathery fronds ; really a very congested, undulate form of the Fig. 308. S. V. iiih-i-oriiutuvt. Fig. 309. .S". -'. sitpia-liiieato-)nul/ifiiii(in Stansfieldii (Plate XXXVIII).—A splendid form raised from spores of 5. v. undulatum rigidiim (see Fig. 314) ; fronds frilled and fringed, a most unexpected result from such a Please note that these images are extracted from sca
. British ferns and their varieties. Ferns. BRITISH FERNS Fig. 307. S. 7'. spirale. Spirale (Fig. 307).—Found in several places ; a dwarf, undulate form, twisted like a corkscrew, and with very thick, leathery fronds ; really a very congested, undulate form of the Fig. 308. S. V. iiih-i-oriiutuvt. Fig. 309. .S". -'. sitpia-liiieato-)nul/ifiiii(in Stansfieldii (Plate XXXVIII).—A splendid form raised from spores of 5. v. undulatum rigidiim (see Fig. 314) ; fronds frilled and fringed, a most unexpected result from such a 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 Druery, Chas. T. (Charles Thomas), 1843-1917. London : G. Routledge and Sons, Limted ; New York : E. P. Dutton and Co.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectferns, bookyear1912
