94 



CONTRIBUTIONS TO PAL.EONTOLOGY 



Salioiphyllum wyoraingensis 

 Salix lancensis 

 Sequoia dalcotensis 

 Typha sp. 



Viburnum marginatum 

 Viburnum montanum 

 Vitis stantoni 



Locality P3858. Base of steep east bank of Lance Creek, southwest corncr of SW. \ sec. 19, 

 T. 37 N., R. 64 W. (See plate 3, fig. 1.) Leaves occur in large dull-gray siltstone concretions 

 embeddcd in beds of lighter-gray, sandy shalcs. Horizon cstimated to be slightly above the 

 stratigraphic level of Locality P3857, about 1800 feet above the base of the Lance: 



Asplenites tenellum 

 Cercidiphyllum ellipticum 

 Dryophyllum subfalcatum 

 Equisetum sp. 

 Filicites knowltoni 

 Fraxinus leii 



Laurophyllum coloradensis 

 Menispermites knightii 



Phyllites sp. 

 Pistia corrugata 

 Quercophyllum gardneri 

 Trapa? microphj-IIa 

 Typha sp. 

 Vitis stantoni 

 Woodwardia? crenata 



Locality P3651. Sandstone outcrops in small badlands area, western edge of SE. j sec. 2, 

 T. 37 N., R. 65 W. Scattered plant remains occur in irregularly bedded, grayish-buff, hard silt- 

 stone, estimated to be about 2000 feet above the base of the Lance: 



Apeibopsis? discolor 

 Aralisephyllum artocarpoides 

 Carpites lancensis 

 Carpites verrucosus 

 Celastrus? taurinensis 

 Cornophyllum wardii 



Dillenites cleburni 

 Dryophyllum subfalcatum 

 Fraxinus leii 

 Pistacia eriensis 

 Sequoia dakotensis 

 Typha sp. 



Locality P3652. West bank of deep guUy, northwestern corner of SE. \ sec. 15, T. 36 N., 

 R. 64 W. A small collection of excellent impressions was obtained from a grayish-buff, hard, 

 fine-grained sandstone, which lies 450 feet above the base of the Lance: 



Apeibopsis? discolor 

 Cercidiphyllum ellipticum 

 Dillenites cleburni 

 Dombeyopsis trivialis 

 Platanophyllum platanoides 



Quercus? viburnifolia 

 Sequoia dakotensis 

 Viburnum marginatum 

 Viburnum montanum 

 Vitis stantoni 



The following species were obtained from a massive, friable, coarse, buff sandstone just 26 feet 

 stratigraphically below the horizon above : 



Canna? magnifolia Salix lancensis 



Cinnamomum? afhne 



Locality P3859. North bank of wide gully, western edge of NE. \ .sec. 14, T. 36 N., R. 64 W. 

 (See platc 3, fig. 2.) Leaves occur in a thinly bedded, grayish-buff siltstonc 2 feet above a layer 

 of fine-grained gray sandstone concretions. Horizon lies 440 feet abovc the basc of thc Lance: 



Araucarites longifolia Laurophyllum wardiana 



Carpites verrucosus Pistacia criensis 



Cercidiphyllum cllipticum Platanophyllum montanum 



Dombeyopsis obtusa Quercus? viburnifolia 



Dombcyopsis trivialis Rhamnus? miiuitus 



Dryophyllum subfalcatum , Salix lanccnsis 



Equi.setum sp. Scquoia dakotcnsis 



Ficus? trinervis Typha sp. 



Grewiopsis saportana Viburnum marginatum 

 Laurophj-llum salicifolium 



In addition to tho .spccics obtaincd from thcse localities, the following species 

 were borrowcd from thc U. S. National Muscum: 



