Archive image from page 162 of Denkschriften der Kaiserlichen Akademie der. Denkschriften der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe denkschriftender23kais Year: 1864 C. V. Ettingshausen. Beiträge zur Kenntniss der Flächea-Skelete der Farnkräuter. Taf. I. atuselbstduck. Denkschnlkn der inath(ü.iturw. Cl. XXIII. Bd. Aui der k. k. Iluf- uqJ StaatiJruckerci.

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