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INDEX TO GENERA OF FOSSIL PLANTS. 





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PAOK. I PAGE 



... 54 Megalopteria '.... 61 



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Alelhopteris 



Anarthrocanna 27 Nematoxylon 



Aneimiteg 46 ' Nephropteris 



Annulwia 31 ' Neuropteris 



Antholithes 63 ! Noeggerathia 



Aporoxylon 20 ! Noeggerathia (Bynonym of Cordaites). 



Araucaroxylon (synonym ofDadoxylon)* 12 



Archaeopteris 45 



Arthrostigma 41 



Aspidites 56 



Asterophyllites 27 



Bornia (synonym of Calamites) 24 



Calamites 25 



20 

 47 

 49 

 66 

 46 

 Noeggerathia (synonym of Oyclopteris).. 47 



Orraoxylon 14 



Pachytheca 79 



Palaeopteris (synonym of Cyclopteris).... 47 



Pecopteris 66 



Piunularia 33 



Protopteris 69 



Calamodendron . 



24 I Prototaxites 16 



Callipteris 51 



Cardiocarpum 60 



Carpolithes 62 



Caiilopteris '■ 59 



Cordaites 43 



Cyathites 56 



Cyclopteris 45 



Cycloatigma 43, 76 



Cyperites 24 



Dadoxylou 12 



Didymophyllum 23 



Bophyton 19, 79 



Gyromices (synonym of Spirorbis) 44 



Hymenophyllites 53 



Lepidodendron 33 



Lepidophloios 36 



Leptophleum 36 



Lycopodites , 34 



Psaronius 58 



Psilophyton 37 



Pychaophyllum (synonym of Cordaites).. 43 



Rhachiopteris 67 



Sagenaria (syn. of Cyclostigma).. 22, 43, 76 



Sagenaria (synonym of Lepidodendron).. 33' 



Sigillaria 21 



Sphenophyllura 32 



Sphenopteris 26 



Spirophyton (J6 



Sporangites 63 



Sternbergia 21 



Stigmaria 22 



Syringodendron '. 22 



Syringoxylon .' 64 



Trichomanites 66 



Trigonocarpum 62 



Ulodendron (synonym of Lepidophloios). 30 



* A few titioeric terms, r^ectedior not uwd in the text, are introduced here to facilitate reference. 



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