INDEX. 



[Names in italic are synonyms; figures in black face refer to descriptions.] 



A. Page. 



Acer, fruit of 89 



leaves of. 89 



Aceraceae 149 



Agathaumas sylvestris Cope 8, 25, 61 



Amber in the Laramie 87 



Anemia elongata (Newberry) Knowlton, PI . II, fig. 2 112 



haydenii (Lesquereux) Cockerell 112 



perpleza Hollick 112 



subcretaceaf (Saporta) Gardner and Ettingshausen 112,113 



superoretacea Hollick 112 



sp., Knowlton, PI. n, fig. 1 113 



sp 24,90 



Angiospermae 116 



Anodonta parallela White 85 



Anomia gryphorhynchus Meek .'. 85 



micronema Meek 76, 85 



Anona coloradensis Knowlton, PI. XVIII, fig. 4 91, 143 



oretacea Lesquereux 143 



glabra Linne 143 



robusta Lesquereux, PI. XVII, fig. 7 143 



spoliata Cockerell 143 



Anonaceae 143 



Apeibopsis? discolor Lesquereux 159 



laramiensis Knowlton, Pi. VTI, fig. 4 90,159 



Apocynaceae 161 



Apocynophyllum sordidum Lesquereux 161 



.jrilcoxensis Berry 162 



Apocynophyllum? taenifolium Knowlton, PI. XVI, fig. 2 90, 161 



Araha notata Newberry 73 



Araliaceae 160 



Arapahoe formation, fossils of 16-17 



naming and description of. 15-16 



Araucariaceae 114 



Araucarites reichenbachi Geinitz , 114 



Aiecales 119 



Aristolochia brittoni Knowlton, PI. XXIII, figs. 3-5 89, 90, 140 



clematis Linns' 141 



cordifolia Newberry 141 



esculapiHeer 141 



hirta LinnS '. 141 



tomehtosa Sims 141 



Aristolochiaceae - 140 



Aristolochiales 140-141 



Artocarpus dicksoni Nathorst 129 



dissecta Knowlton 129,130 



lessigiana (Lesquereux) Knowlton, PI. XII, fig. 1; PI. XXH, 



fig. 4 91,128 



lessigii (Lesquereux) Knowlton 91, 128 



liriodendroides Knowlton, PI. XXI, fig. 3 90, 129 



Aspidium fischeri Heer - - 109 



A spiiium goldianum Lesquereux 109 



(,Lastrea) pulebeUumT Heer 109 



Asplenlum coloradense Knowlton Ill 



martini Knowlton, PI. II, fig. 6 90,111 



Bauer, CM., on geology of San Juan Basin area 72 



on Lance formationin northeastern Montana 40 



Bear River formation, geology of 78 



Belly River region, Canada, geologic section in 44 



Bibliography of Laramie flora of Denver Basin 89 



Bignoniaceae 182 



Biologic relations of flora 96 



Black Buttes, Wyo., geology of 61 



Book Cliffs field, Utah-Colorado, geology of 55 



Bowen, C. F., on geology of Carbon County, Wyo 60 



on Judith River formation 78 



85344—22 — ^14 



Page. 



Bozeman coal field, Mont., geology of. .'. 49 



Brown, B arnum, Cretaceous-Eocene correlation by 37 



on dinosaurs in Ojo Alamo formation 71 



on Edmonton formation 47 



work of, in Hell Creek region, Mont 29 



Bulinus disjunctus White 85 



subelongatus Meek and Hayden 85 



C. 



Calvert, W. R., on the Lance formation in eastern Montana 35 



on the Livingston formation 54 



Campelomamultistriata Meek and Hayden 85 



Canada, Fort Union age of beds in, by Dawson 10 



"Laramie" in 43, 44 



Cannonball member of Lance formation 40 



Carbon County, Wyo., geologic section in 60 



Carpiteslakesil Knowlton, PI. XIX, figs.6-8 .' 90,164 



lesquereuxiana Knowlton 165 



marshallensis Knowlton 89 



rhomboidalis Lesquereux 165 



sp 23,24 



Cassia laramiensis Knowlton ,. 90 



Cassia? laramiensis Knowlton, PI. XIX, fig. 3 148 



"Castle conglomerate, "naming and description of 21 



Caulinitesfecmdus Lesquereux 107 



Ceanothus americanus Linne' 153, 154 



azureus 153 



eriensis Knowlton, PI. XXVI, figs. 3-6 90,152 



ovatus Desfontaine 153 



ovatifolius Knowlton, PI. XXV, fig. 3 91,163 



velutinus Hooker 153 



Celastraceae. ■. 148 



Celastrinites alatus Knowlton, PI. XXV, figs. 4, 5; PI. XXVI, 



fig. 1 148,149,190 



cowanensis Knowlton, PI. XVI, fig. 6 149 



eriensis Knowlton, PI. XXVI, fig. 2 90,149 



sp 91 



Celastrophyllum decurrens Lesquereux 124 



Celastrus cassinefolius Unger 149 



Ceratops beds.ageof 27 



reference of , to Laramie , 28 



Ceratops horridus Marsh 26 



Ceratopsia 25 



Ceratopsidae -. 26 



Cerciseocenica Lesquereux 148 



Cinnamomum afflne Lesquereux, PI. TIE, fig. 4; PI. XVII, fig. 6 



89,90,92,145 



cassia Blume 146 



lanceolatum auct 146 



laramiense Knowlton, PI. XXH, fig. 3 91, 146 



mississippiense Lesquereux 145 



Cissuslobato-crenata Lesquereux 24,25,153 



sp 91 



Clathropodium mlrabile (Lesquereux) Ward 116 



Coal Creek, Colo., Laramie flora at 90 



Coalville,, Utah, geology of 68 



Colgate sandstone, definition of 35 



Collier, A. J., on Miles City, Mont., coal field 30 



Colorado Springs, Colo., area, geology of 20 



Laramie flora from 91 



Comptonla grandifolia Unger 128 



Coniferales ■•- H* 



Converse County, Wyo., dinosaurs in 26 



Cope, E.D., on the age of Monument Creek group 20 



refers dinosaur beds in Wyoming to the Cretaceous 8 



refers beds in the Missouri River region to the Cretaceous 7 



171 



