Maryland Geological Survey 209 



Sagenopteris variabilis Velenovsky 



Salix flexuosa Newberry 



Salix lesquereuxii Berry 



Salix matteioanensis Berry 



Salix meekii Newberry 



Salix purpuroides Hollick 



Sapindus apiculatus Velenovsky? 



Sapindus imperfectus Hollick 



Sapindus morrisoni Heer 



Sapotacites knowltoni Berry 



Sassafras acutilobum Lesquereux 



Sassafras angustilobum Hollick 



Sassafras progenitor Newberry 



Sequoia ambigua Heer 



Sequoia concinna Heer 



Sequoia fastigiata (Sternberg) Heer? 



Sequoia gracilis Heer? 



Sequoia heterophylla Velenovsky 



Sequoia reichenbachi (Geinitz) Heer 



Smilax raritanensis Berry? 



Spharrites raritanensis Berry 



Sterculia cliffwoodensis Berry 



Sterculia minima Berry 



Sterculia prelabrusca Hollick 



Sterculia snowii Lesquereux? 



Sterculia snowii bilobatum Berry 



Sterculia sp. Hollick 



Strobilites inquirendus Hollick 



Strobilites perplexus Hollick 



Thuja cretacea (Heer) Newberry 



Thyrsopteris grevilleoides (Heer) Hollick 



Tricalycites major Hollick 



Tricalycites papyraceus Newberry 



Tricarpellites striatus Newberry 



Viburnum hollickii Berry 



Viburnum integrifolium Newberry 



Viburnum mattewanensis Berry 



Widdringtonites fasciculatus Hollick 



Widdringtonites reichii (Ettingshausen) Heer 



Widdringtonites subtilis Heer 



Williamsonia delawarensis Berry 



Williamsonia marylandica Berry 



Williamsonia problematica (Newberry) Ward 



Zizyphus cliffwoodensis Berry 



Zizyphus elegans Hollick 



Zizyphus groenlandicus Heer 



Zizyphus lewisiana Hollick? 



Zizyphus oblongus Hollick 



