370 



THE POTOMAC OR YOUNGER MESOZOIC FLORA. 



Table III. — Localities other than those of the Potomac formation at n-hich Potomac species or their allies 

 hax^e teen found, etc. — Continued. 



Geological formations, 



Potomac species (syateraatic nnmbers on the 

 left; page on which described on the right). 



Species with which compared. 



XV.— "Wealden of Germany- 

 Continued. 



XVI.— Wealden of England. 



XVII.— "Wealden ? (Neoco- 

 mian?) of Klin, Russia. 



XVIII.— Juraaaic? (Weal- 

 den? Neocomian?) of Ja- 

 pan. 



XTX.— Neocomian (Koota- 

 nie) of Brit.NW.T. 



XX.— Neocomian of Portu- 

 gal. 



XXI.— Neocomian of "Weat- 

 phalla. 



XXII.— N eocomian? of 

 France. 



XXIII.— XJrgonian of Green- 

 land. 



XXIV.— Urgonian of Aus- 

 trian Silesia. 



163. D. Bnchianns angustifolius Font 185 



244. Sphenolepidium Virginicum 259 



245. Sphenolepidium Kurrianum Heer 2G0 



246. Sphenolepidium Sternbergianum 261 



(Dunk.) Heer. 



2, Equiaetum Lyelli Mant 65 



39. Sphenopteris Mantelli Brongn 91 



164. Tyaonia Marylandica 193 



8. Cladophlebis falcata 72 



11. Cladophlebis oblongifolia 74 



17. Cladophlebis alata 77 



86. Thyraopteris rarinervis 123 



160. Podozamites acutifolins 181 



169. Nageiopais latifolia 198 



234. Tazodium Virginicum 252 



39. Sphenopteria Mantelli Brongn 91 



52. Aspidium Dnnkeri (Schimp.) Font 101 



244. Sphenolepidium Virginicum 259 



245. Sphenolepidium Kurrianum Heer 260 



246. Sphenolepidium Sternbergianum 261 



(Dunk.) Heer. 



246. Sphenolepidium Sternbergianum 261 



(Dunk.)Heer. 

 251. Araucaritea Virginicus 263 



4. Cladophlebis conatricta 68 



12. Cladophlebis crenata 75 



56. Polypodium fadyenioides 104 



78. Gleichenia Nordenakicildi? Heer 119 



79. Undetermined fern 119 



82. Thyrsopteris Virginica.. 120 



86. Thyraopteris rarinervis 123 



93. Thyraopteria insignia 127 



193. Frenelopais parceramosa , 218 



209. Torreya falcata 235 



219. Sequoia Reichenbachi (Gein.) Heer ... 243 



222. Sequoia ambigua Heer 245 



223. Sequoia rigida Heer 246 



225. Sequoia gracilis Heer 247 



234. Taxodium Virginicum 252 



247. Sphenolepidium Sternbergianum var. 261 



densifolium Heer. 



154. Glossozamites distana 176 



15G. Podozamites aubfalcatus 179 



161. Dioonitea Buchianus Schimp 182 



165. Nageiopais longifolia 198 



181. Baieropsis expanaa 207 



193. Frenelopsis parceramosa 218 



Identical (= Pterophyllumabietinum Gopp. 



and D. abietinus Miquel). 

 S. Kurrianum Heer. 

 Identical. 

 Do. 



Do. 



Do. 

 Bennettitea. 

 Mantellia. 

 Pecopteria Whitbiensia Brongn. 



Do. 

 Pecopteria exiliforrais Geyl. 

 T. elongata Geyl. 

 P. lanceolatus (L. &. H.) Brongn. 

 Podozamites Keinii Geyl. 

 Glyptoatrobus Gronlandicus Heer. 



Identical. 

 Do. 



S. Kurrianum Heer. 

 Identical. 

 Do. 



Araucaria cretacea Brongn. 



Pecopteria borealia Brongn. 

 Pecopteria borealis Brongn. 

 Nathorstia anguatifolia Heer. 

 Identical. 



Aaplenium Dicksonianum Heer. 

 Dicksonia Johnatrupi Heer. 

 Aaplenium Dicksonianum Heer. 

 Aaplenium Johnstrupi Heer. 



F. Hoheneggeri (Ett.) Schenk. 

 T. parvifolia Heer. 

 Identical. 



Do. 



Do. 



Do. 

 T. (Glyptoatrobus) Gronlandicum Heer. 

 Sequoia fastigiata (Sternb.) Heer. 



G. Zitteli (Scheuk) Schimp. 

 Zamites ovatus (L. &H.) Morr. 

 Z. affinis Schenk, 



Z. nervoaua Schenk. 



Identical. 



Zamites Goepperti Schenk ? 



Baiora cretosa Schenk. 



F. Hoheneggeri (Ett.) Schenk. 



