. British ferns and their varieties. Fig. 44. Asp. trick, multifidum. Fig. 45. Asp. trich. ramosum. Ramosum, Wollaston (Fig. 45 and Appendix No. II).—A prettilybranched form, the frond tip dividing into several. This belongsto the several forms of cristatum. Ramo-cristatum.—Several finds of this are recorded, in whichthe characters of ramosum and cristatum combine to form heavy-headed flat tassels of much beauty (see Appendix No. II). Troggyense, Lowe.—Found by Mr. Lowe in 1882 ; may bedescribed as a fertile form on incisum \splemuin mannum Aspleniuni viride THE ASPLENIA 81

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1912