MESOZOIC PLA.NTS FROM KOREA. 47 



associated with Podozamites lanceolatus, Cladophlehis sp. {C. afï! 

 Dunheri) and C. sp, {C. aff. distans). 



Coniopteris Ileerianus and Podozamites Reinii are exclusively 

 Japanese Korean species ; the latter is especially widely spread in 

 the Japanese Tetori series ; Prof. Yokoyama^^ described it from 

 Okamigö, prov. Hida, Tanimura, prov. Echizen, Ozo, Yanagi- 

 dani and Shimamura, prov. Kaga ; at the last locality it is found 

 together with Co7iiopteris Ileerianus. The other fossils found in 

 association with these species are, according to the above author, 

 at Shimamura, Tliyrsopteris prisca, T. hagensis, Diohsonia gracilis, 

 D. acutiloha, D. nephrocarpa, Onychiopsis elongata, Adiantites 

 Kochibeanus, Asplenium Wliiibiense, A. argvtulum, A. distans, 

 Pecopteris exilis, P. Saportana, Äfacrotaeni opter is cfr. Richthofeni, 

 Anomozamites sp., Nilssonia nipponensis, Dioonites Kotoei, Zamitis 

 parvifolius, Podozamites lanceolatus, P. tenuistriatus, Dictyozamites 

 grossinervis, Cycadospermum jap)onicum, Ginhgodium Nathorsti, 

 Ginkgo sibirica, Taxites sp., Pinus prodromus, P. Nordenshjoldi, 

 Palissya sp., and Vallisnerites jurassicus (?) ; at Yanagidani, 

 Onychiopsis elongata, Asplenium Whitbiense, A. distans, Taenio- 

 pteris (?), Sagenopteris sp., Nilssonia ozoana, N. (?), Dictyozamites 

 falcatus, Czehanowshia rig i da, Taxites sp., Vallisnerites jurassicus (?) 

 and Carpolithes ginhgoides ; from Tanimura Thyrsopteris hagensis, 

 Onychiopsis elongata, Dioonites Kotoei, Podozamites lanceolatus, 

 Pinus. cfr. prodromus ; from Okamigö, Thyrsopteris Murrayana, 

 Dichsonia gracilis, Onychiopsis elongata, Asplenium argutulum, 

 Equisetum sp., Nilssonia nippone7isis, Podozamites lanceolatus, P. 

 tenuistriatus, P. sp., Ginhgodium Nathorsti, Ginkgo digitata, 

 Czekanowskia rigida and Taxites sp. 



1) YoKOYAMA : Jurassic Plants from Kaga, Hida and Echizen. 



