. British ferns and their varieties. Fig. 263. P. aq. PLATE vulgare SCOLOPENDRIUM VULGARE 225 and a heavy - headed grandiceps, with large bunch crests; thefronds indeed being a collection of such, and connecting barestalks. The latter only grows about two feet high, the former fouror five. Polydactyla (Fig. 263), in which the terminals of the sub-divisions are branched into numerous slender points. Revolvens.—Found at Windermere and near Chepstow by thewriter; a robust, handsome form, with fronds convexly curvedand tips and side divisions terminating spirally.
. British ferns and their varieties. Fig. 263. P. aq. PLATE vulgare SCOLOPENDRIUM VULGARE 225 and a heavy - headed grandiceps, with large bunch crests; thefronds indeed being a collection of such, and connecting barestalks. The latter only grows about two feet high, the former fouror five. Polydactyla (Fig. 263), in which the terminals of the sub-divisions are branched into numerous slender points. Revolvens.—Found at Windermere and near Chepstow by thewriter; a robust, handsome form, with fronds convexly curvedand tips and side divisions terminating spirally. SCOLOPENDRIUM VULGARE (The CommonHartstongue)(Plate XXXV) With the exception of the little Adders-tongue Fern (Ophio-glossum vulgatum), the Hartstongue Fern is the only Britishspecies in which normally the fronds are quite undivided. Inthe Hartstongue they consist of a stalk of about one-third of thewhole length, surmounted by a long, leafy portion, commencingwith two rounded lobes of a semi-heart shape, whence the frondcontinues with smooth parallel edges for
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1912
