372 



THE POTOMAC OR YOUNGER MESOZOIG FLORA. 



-Localities other than those of the Potomac formation at which Potomac species or their allies 

 have heenfoundj etc. — Continued. 



Geological formations. 



Potomac species (systematic numbers on the 

 left; page on which described ou the right). 



Species with which compared. 



XXX— Dakota Gronp, 

 United States— Continued. 



XXXI — Senonian of Patoot, 

 Greenland. 



XXXII.— Senonian of l 

 British America. 



XXXIII.— Senonian of Qued- 



linburg. 

 XXXIV.— Senonian (Gosau) , 



of Tyrol. 



XXXV.— Senonian of TVest- 

 pbatia. 



XXXVI.— S e n n i a n of 

 Aachen. 



XXXVII. — Laramie group.. 



XXXVIII.—Eoceue of Eng- 

 land. 



Platanophyltnm crassinerve 



Araliiephyllnm obtusilobum 



Aralisepiiyllum acutiiobum 



Arali^phyllum magnifolinm 



Arali.-ephyllum aceroides 



Sequoia dubulata Heer 



Sequoia rigidaHeer 



Sequoia delicatula 



Spbenolepidium parceramosnm 



Sphenolepidium Sternbergianura, var. 

 denaifolinm Heer. 



Ficophyllum serratum 



Sequoia cycadopais 



Sequoia Reichenbachi (Gcin.) Heer... 



Ficophyllum crassinerve 



Sequoia Reichenbachi (Gein.J Heer ... 



316 Hedera phitanoi<lea Lx. 



Sassafras recurvatuoj Lx. 

 Liqaidambar iutegrifolium Lx. 



Identical. 



Do. 

 S. suhulata Heer. 

 Sequoia concinna Heer. 

 261 Sequoia fastigiata (Sternb.) Heer. 



L'94 Qaercus Johnatrupi Heer. 

 24:[ Cycadites Qnjiga Daw. 



Identical. 

 291 Ficua maxima Daw. 

 243 Identical. 



219. 



.Do . 



243 



223. Sequoia rigida Heer 246 



233. Taxodium ramosum 251 



235. Taxodium espansura 252 



219. Sequoia Reicheubachi {Geiu.) Heer... 243 



244. Spbenolepidium Virginicum 259 



245. Spbenolepidium Kurrianum Heer 260 



246. Spbenolepidium S t o r n b e r g i a n n m 261 



(Dunk ) Heer 

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



Do. 



Do. 

 ■Widdringtonites Reichii (Ett.) Heer. 

 Sequoia heterophylla. 

 Identical. 



Spbenolepidiam Kurriannm Heer. 

 Identical. 



Do. 



Do. 



219 Do 243 I Do. 



230. Araucaria podocarpoides 249 | Podocarpus incerta Ett. & Gard. 



304. Rogersla loDgifolia 287 j Glossochlamys transmutans Ett. tfc Gard. 



