. British ferns and their varieties. Ferns. THE POLYPODIES 169 Fern, but with a less delicate shade of green, while its developing fronds (Fig. 190) do not divide at the outset into three ball-hke pendants, but form a crozier-shaped pendulous hook. It imitates. P. calcareum (jiinna). the Oak and Beech Ferns exactly as regards its creeping rootstocks and general habit of growth, but differs from them in its confine- ment, as its name indicates, to limestone soils, which, under culture, necessitates an admixture of old mortar, chalk, or other form of lime, in the station assigned to it. Treated
. British ferns and their varieties. Ferns. THE POLYPODIES 169 Fern, but with a less delicate shade of green, while its developing fronds (Fig. 190) do not divide at the outset into three ball-hke pendants, but form a crozier-shaped pendulous hook. It imitates. P. calcareum (jiinna). the Oak and Beech Ferns exactly as regards its creeping rootstocks and general habit of growth, but differs from them in its confine- ment, as its name indicates, to limestone soils, which, under culture, necessitates an admixture of old mortar, chalk, or other form of lime, in the station assigned to it. Treated thus, it is equally easy to grow. It has yielded no varieties. PoLYPODiUM Dryopteris (The Oak Fern) (Plate XXIV) This most beautiful little Fern, whose name is equally difficult to explain as that of the Beech Fern, and for the same reason, differs markedly in the make of its fronds from P. phegopicris, these being triangular in outline, and practically consisting of tliree branches, each of which is again triangular and pinnate. ""' The. 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.
Size: 2074px × 1204px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectferns, bookyear1912
