130 The Lower Cretaceous Floras of the World 



CladophleMs parva Fontaine 



Gladophlebis sp., Dawson 



Gycadeospermum rotundatum Fontaine ? 



Cycadeospermum montanense Fontaine 



Cyperites sp., Dawson 



DicJcsonia montanensis Fontaine 



Dicksonia pachyphylla Fontaine 



Dicksonia sp., Dawson 



Dioonites horealis Dawson 



Dryopteris angustipinnata montanensis (Font.) Knowlton^ 



Dryopteris monocarpa (Font.) Knowlton 



Dryopteris montanensis (Font.) Knowlton ^= Gladophlebis Ungeri (Dunk.) 



Ward ? 

 Dryopteris kootaniensis KJnowlton 

 ■ Equisetum PhilUpsii (Dunk.) Brongniart 

 Equisetum LyelUi Mantell 

 Ginkgo lepida Heer 

 Ginkgo nana Dawson 

 Ginkgo sibirica Heer 

 Ginkgo sp., Dawson (nuts) 

 Glyptostrobus groenlandicus Heer 

 Laricopsis longifolia latifoUa Fontaine 

 Lycopodites ? montanensis Fontaine 

 Nageiopsis longifolia Fontaine 

 Nilsonia schaumburgensis (Dunk.) Nathorst 

 Oleandra arctica Heer 

 Oleandra gramincefolia Knowlton 

 Onychiopsis brevifolia (Font.) Berry ? 

 OnycMopsis Goepperti (Schenk) Berry 

 Onychiopsis latiloba (Font.) Berry 

 Onychiopsis psilotoides (S. & W.) Ward 

 Osmunda dicksonioides Fontaine 

 Pagiophyllum sp., Dawson 

 Pecopteris m^ontanensis Fontaine 

 Pinus anthraciticus Dawson 

 Pinus susqucensis Dawson 

 Podozam,ites distantinervis Font. ? 

 Podozamites lanceolatus (L. & H.) Schimper 

 Podozamites latipennis Heer 

 Podoxamites incequilateralis (Font.) Berry 

 Podozamites nervosa Newb. 

 Protorhipis Fisheri Knowlton 

 Pterophyllum montanense (Font.) Knowlton 

 Sequoia aciitifolia Newb. 



^ The type of this variety has been referred by the writer to Gladophlebis 

 Albertsii (Dunk.) Brongniart. The writer has referred the Potomac- forms 

 usually referred to Dryopteris to the less definite form-genus Dryopterites. 



