. British ferns and their varieties. Ferns. Fig. 181. L. j/?;??//i9M (part of pinna). refer to Fig. 181 and Plate XXII. There are no marked varieties which can be imputed to it. Lastrea Rigida (the Rigid Buckler Fern) (Plate XXI) This Lastrea is entirely confined to Limestone districts of some elevation. It roughly resembles a somewhat small, stiff-growing Male Fern, and hke that Fern the fronds (Fig. 182) arise in circlets. Fig. 182. Z. rigida (pinna). from an erect rootstock, but as its fronds have a somewhat mealy appearance, owing to numerous glands on their surface, it is easil}' distingu
. British ferns and their varieties. Ferns. Fig. 181. L. j/?;??//i9M (part of pinna). refer to Fig. 181 and Plate XXII. There are no marked varieties which can be imputed to it. Lastrea Rigida (the Rigid Buckler Fern) (Plate XXI) This Lastrea is entirely confined to Limestone districts of some elevation. It roughly resembles a somewhat small, stiff-growing Male Fern, and hke that Fern the fronds (Fig. 182) arise in circlets. Fig. 182. Z. rigida (pinna). from an erect rootstock, but as its fronds have a somewhat mealy appearance, owing to numerous glands on their surface, it is easil}' distinguished. In cultivation, the usual compost may be used, but with an admixture of limestone. It is deciduous. The only constant variety, cristata, was found by Mr. F. A. Barraud, we believe near Ingleborough, Yorks; a thoroughbred, prettily crested at all tips, but, unfortunately, it is not now in existence, and is only mentioned to stimulate further 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
