382 GEOLOGICAL SURVEY OF THE TERRITORIES. 



Populus monodon, Lesqx. 



Populus mutabilis var. repando-crenata, Heer. 



8alix Worthenii, Lesqx. 



Salix tabellaris, Lesqx. 



Quercus Moorii, Lesqx. 



Quercus Lyellii, Heer. 



Quercus retracta, Lesqx. 



Quercus chloropliylla, Ung. 



Celtis brevifolia, Lesqx. 



Ficus Schimperi, Lesqx. 



Ficus cinnamomoides, Lesqx. 



Laurus pedatus, Lesqx. 



Cinnamomum Mississippiense, Lesqx. 



BanJcsia Helvetica, Heer. 



Persea lancifolia, Lesqx. 



Ceanothus Meigsii, Lesqx. 



Sapindus undulatus, Al. Br. 



Bhamnus marginatus, Lesqx. 



Juglans appressa, Lesqx. 



Juglans iSaffordiana, Lesqx. 



Magnolia Hilgardiana, Lesqx. ' 



Magnolia laurifolia, Lesqx. 



Magnolia Lesleyana, Lesqx. 



Magnolia oralis, Lesqx. 



Magnolia cordifolia, Lesqx. 



Asimina leiocarpa, Lesqx. 



Ph yllites truncatus, Lesqx. 



Species collected by Dr. J. Leconte :* 

 Bhamnus obovatus, Lesqx., upper end of Purgatory Canon, Colorado. 

 Arundo, fragments, Purgatory Canon, Colorado. 

 Berchemia parvifolia, Lesqx., Eaton Pass, Colorado. 

 Cinnamomum affine, Lesqx., Eaton Pass, Colorado. 

 Abietites dubius, Lesqx., Eaton Pass, Colorado. 

 Juglans Leconteana, Lesqx., Eaton Pass, Colorado. 

 Echitonium Sophice, (?) Web., Eaton Pass, Colorado. 

 Acer, (?) numerous small fragments undeterminable. 



Species from Dr. Hay den's specimens : 

 Comus incompletus, Lesqx., Marshall Coal, Colorado. 

 Bhamnus salicifolius, Lesqx., Marshall Coal, Colorado. 

 Cinnamomum affine, Lesqx., Marshall Coal, Colorado. 

 Lygodium, fragment, Marshall Coal, Colorado. 

 Phyllites sulcatus, Lesqx., Marshall Coal, Colorado. 

 Echitonium Sophias, (?) Web., Marshall Coal, Colorado. 

 Juglans Leconteana, (?) Lesqx., Marshall Coal, Colorado. 

 Quercus Lyellii, (?) Heer, Marshall Coal, Colorado. 

 Quercus chlorophylla, (?) Heer, Marshall Coal, Colorado. 



Dr. Leconte obtained from the same locality fragments of Acer allied 

 to A. strictum, Gopp.; of Juglans allied to J. acuminata, Heer; of Cor- 

 nus, Banksia, &c; all too small and broken for satisfactory examination. 



* These species and the following ones of Dr. F. V. Hayden have been figured and 

 described for the final report of Dr. Hayden, but the descriptions have n ot been pub- 

 lished as yet. 



