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5o fi long abaxial anticlinal anticlinal walls apical Araucaria Araucariaceae Athrotaxis axis bands Brachyphyllum mirandai sp Brit Cell surface cell walls Cheirolepis compressed conifers cutinised Cycadales decurrent distribution of stomata elongated cells encircling cells epidermal cells Flora fossil genus granules guard cells Hist holotype Hypodermal cells isodiametric Jurassic Ktalenia lamina leaves LIL PB longitudinal rows lower cuticle Lower cuticle showing male cones margins markedly elongated Material.—In addition Mesodescolea Mesozoic microsporophylls mouth of pit nucellus orientated oval papillae Periclinal pinnae pinnules Podocarpaceae Polar and lateral pollen grains pollen sacs rachis rectangular ridges rim of cutin round Ruflorinia sierra Santa Cruz Province Section of stoma seen shape similar Slide LIL Slide LIL 229 sometimes species specimens Stoma Stoma showing stomata Stomata present stomatal apparatus striae strongly sunken Taxodiaceae Text-figs thickened Ticoa harrisii gen Tomaxellia degiustoi gen transversely trichome bases trichomes typically monocyclic upper cuticle veins walls straight X5oo