Contributions to the Upper Devonian Flora of New York |
Contents
STRATIGRAPHIC SETTING | 3 |
AGE OF THE NEW ALBANY SHALE | 8 |
MATERIALS AND METHODS | 14 |
Copyright | |
2 other sections not shown
Common terms and phrases
Albany shale Amer anatomy Aneurophyton Arnold arranged axes axis band Banks base Beck branching Callixylon Campbell cells changes circular collected Comparison connected consists CORNELL UNIVERSITY cortex Cross described diameter divides elements elongated eupunctata Figure flora formation four fronds genera giving Hoskins Hueber interpretation Jour lateral layer leaves LIBRARY CORNELL LIBRARY UNIVERSITY lobed locality lower material mesarch protoxylem metaxylem Mississippian occur outer parenchyma peripheral loops petrifactions phloem pinnae pitting plants Plate present preserved primary xylem protostele protoxylem areas rachis radially Read Reimannia Reimanniopsis representing scalariform schmidtii second order secondary xylem shape showing similar simplex Slide species specimen Sphenoxylon spirally Stage stele stem Stenokoleos Stenokoleos azonalis strand Table Tetrastichia Tetraxylopteris Textfig Textfigure Thomas tissue trace tracheids Transverse section Triloboxylon Tristichia ultimate appendages UNIVERSITY LIBRARY Upper Devonian vascular walls wide writer York