376 



INDEX. 



Pag.-. 



Sagenopteris Pr 148 



latifoUa 148 



elliptica 149 



Virginiensis 150 



SaliciphyUum 302,303 



longifolium , 302 



ellipticum 303 



parvifolium 303 



Sapindopsis 296-302 



cordata 296 



elliptica 297 



magnifolia 297 



variabilis 298 



parvifolia 300 



brevifolia 300 



tenuiuerria 301 



oMusifolia 301 



Sasaafras liTees 289,290 



parvifolium 289 



cretaceum Ne wb. , var. lieterolobum 289 



bilobatum 290 



Scleropteris Saporta 150-153 



elliptica 151 



var. longifolia 152 



Virginica 152 



dentata 153 



Seed of Pinua ? sp. ? 272 



Sequoia Torrey 243-J48 



cycadopsia 243 



Keicbenbachi (Geinitz) Heer 243 



Tar. longifolia 244 



sublata 245 



ambigua Heer 245 



ligidaHeer 246 



denaifolia 246 



gracilis Heer 247 



dolicatulata 247 



sp.? 247,248 



Spbcnolepidium Heer (Spbc-nolepis Scbenk) 257-262 



parceraraosum 257 



deutifolium 258 



recurvifolium 258 



pachypbyllum 259 



1 259 



I Heer 260 



Steinbergiauuin (Dunk, sp.) Heer 261 



var. densifolium Heer 261 



SpbeDopteria Brongn 89-93 



tbyraopteroides 89 



acrodentata 90 



latiloba 90 



Mantelli 91 



sj)atulata 93 



pacUyphylla 93 



Stenopteris Sapoita 112 



Virginica 112 



SterculiaL 314 



elegans 314 



T. 



Tasodium Kicbard (G ly ptostrobna Endl. ) 250-257 



ramosum 251 



Yirginicum 252 



expansum 252 



fastigiatum 253 



Page. 



Taxodium denticulatum 253 



Brookense 254 



Tar. angusti folium 256 



Taylor, K. C, cited on fossil plants at Fredericksburg 4 



Telegraph Station {plant locality) described 22 



TLinnfeldia Ett 110-112 



variabilis 110 



granulata Ill 



rotundiloba Ill 



Tlirysoi»teria Kuuze 119-144 



Virgiuica 120 



brevifolia 121 



dentata 121 



nervoaa 122 



rarinervis 123 



brevipennis 124 



alata 124 



divaricata 125 



iMeekiana 125 



var. angustiluba 126 



crenata 127 



insignis 127 



var. angustipeuuia 128 



denaifolia 129 



crassinervia 130 



decurreua 130 



anguatifolia 131 



microphyUa 13i 



pachyracbis 132 



elliptica 133 



d istans 134 



angustiluba 134 



pachypbylla 135 



pecoptiToidea 135 



piunatifida 136 



beteromorpba 136 



varians 137 



rbombifolia 138 



beteroloba 139 



bella 139 



microloba 140 



var. alata 140 



nana 141 



inKquipinnata 142 



beteropbylla 142 



obtusiloba 143 



spbenopteroides 143 



squarrosa 143 



rhombiloba 144 



retusa 144 



Torreya Arnott 234.235 



Virginica 234 



falcata .- 235 



Trent's Keacb (plant locality) described 11,12 



Tyson, P., fossil cycada found by 5,30,31 



Tysonia 186-193 



Marylandica 193 



U. 



iniler,P.K., discovered fossil plants 5,6, 15.33 



acknow ledgments to 33 



Ulniipbylkim. 312,313 



Brootense 312 



tenuinerve 313 



crassiuerve 313 



