. British ferns and their varieties. Fig 3!7 &. v- Andrewsii. Andrewsii (Fig. 317).—Found in Ireland ; has narrower, morelance-shaped fronds, with longer stalks and more widely separatedpinnae. Dilatatum.—A very handsome, broad-fronded form introducedfrom Ireland by Messrs. Backhouse, of York. Proliferum.—A small-growing form, sent the writer many yearsago by Mr. Burbidge, of Dublin, as bearing bulbil plants on thefronds, a la Asplenium bulbiferum. Young plants were raised fromthese, but the parent eventually refused to develop more. Alatum.—Found in Ireland ; conspicuously winged stalks. Back


. British ferns and their varieties. Fig 3!7 &. v- Andrewsii. Andrewsii (Fig. 317).—Found in Ireland ; has narrower, morelance-shaped fronds, with longer stalks and more widely separatedpinnae. Dilatatum.—A very handsome, broad-fronded form introducedfrom Ireland by Messrs. Backhouse, of York. Proliferum.—A small-growing form, sent the writer many yearsago by Mr. Burbidge, of Dublin, as bearing bulbil plants on thefronds, a la Asplenium bulbiferum. Young plants were raised fromthese, but the parent eventually refused to develop more. Alatum.—Found in Ireland ; conspicuously winged stalks. Backhouseii.—Intermediate between dilatatum and Andrewsii. Crispum.—Found Killarney by Col. A. S. H. Lowe ; crispate andirregularly branched. Dissectum.—Finely cut, beautiful


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1912