INDEX. 
[Heavy-faced figures refer to pages on which descriptions are given, or to pages on which the 
pecies appear in their proper systematic position. Synonyms in italics.] 
ibies, type of pity ox y Ion 
Leer saskatchewense Dn 
anemia subcretacea (Sap.) Gard. & Ett.. 
k.simina eocenica? Lx., PI. XIV, fig. 3 — 
tsplenium sp., PI. Ill, fig. 11 
subcretaceum Sap 
tenellum n. sp,, PI. Ill, figs. 1 , 2 
tenerum Lx 
wyomingense n. sp., PI. Ill, fig. 12 — 
Jelly River flora, discussion of 
and its relation to the Montana flora. 
•etulasp 
Utter Creek Valley, localities in 
'.lack Buttes, brief account of geology of . 
irachyphyllum sp., Kn 
crassum Lx 
macrocarpum Newb., PI. IV, figs. 5, 6. . 
irasenia antiqua Dn 
'arpites triangulosus Lx. 
arya sp - 
'astalia sp.,Kn 
? duttonianan. sp., PL XIII, fig. 7 
'innamomum affine Lx.ex p. 
affine Lx., emend, PL XIV, fig. 2 
ellipsoideum Sap. & Mar 
mississippiense Lx 
polymorphum Heer 
?Stantonin.sp.,Pl.XV,fig.l 
oalville, Utah, and vicinity 
ollins, F. S. , quoted on fossil alga 
'olorado, Montana formation in 
'ornus Emmonsii "Ward 
impressa Lx 
orbifera Heer 
rhamnifolia O. Web 
Studeri? Heer 
unninghamites? sp.,Pl. V., fig 3 
'yperacites sp., PL V, fig. 8 
>iospyros brachycephala Al. Br., PL 
XVIII, fig. 3. 
•ombey opsis islandica Heer 
obtusa Lx 
trivialis Lx 
*ryopkyllum Bruneri Ward 
crenatum Lx 
falcatum? Ward, PL VIII, fig. 1 
subf alcatum Lx 
iuonymus Proserpinea Engl 
icus artocarpoides Lx 
asarifolia Ett., PL XI, fig. 4; PL XIII, 
fig.2 . 
^almatica Ett., PL VIII, fig. 4 
Page. 
15 
. 15,16 
20 
57 
20 
20 
19 
19 
19 
15-17 
9-11 
15 
5-7 
5-6 
29 
29 
29 
31 
74 
15 
54 
55 
42 
59 
60 
42 
60 
60 
7-9 
25 
9 
68 
68 
C8 
67 
68 
29 
32 
74 
47 
47 
46 
41 
42 
42 
41 
(6 
69 
Pa: r <'. 
Ficus hesperia n. sp., PL IX, fig. 5 45 
incompleta n.sp.,Pl.IX,fig.2 46 
irregularis Lx 51 
irregularis? Lx 43 
lanceolata? Lx 43 
latifolia (Lx.) Kn 49 
missouriensis n. sp. , PL I, fig. 5 12 
montana n. sp., PL XI, figs. 2,3; PL 
XII,fig.l 48 
multinervis Heer 43 
planicoslataLx.,Pl. X,fig.4; PL XII, 
figs. 2-4 48,52 
populoides n. sp. , PL VIII, fig. 3 44 
problematica n. sp., PL IX, fig. 3 46 
rhamnoidesn. sp., Pl.X, figs. 1-3; PL 
XI, fig. 1 47 
speciosissima Ward 52 
squarrosa n. sp. , PL VIII, fig. 2 45 
tilia?foliaALBr.,Pl.XIII,fig.l 52 
trinervis n. sp 42,57 
uncataLx _. 69 
Wardiin. sp.,Pl.IX, fig. 1 .'. 48 
Fucus lignitum Lx., PL III, fig. 4 17 
Geinitzia biformis (Lx.) Kn 28 
cretacea Ung 29 
formosa Heer, PL V, figs. 1,2 28 
longifolia (Lx.)Kn 28 
Ginkgo, fruits of ..- 15 
adiantoides (Ung.) Heer 31 
laramiensis Ward, PL IV, figs. 7-10; 
PL V, fig. 5 31 
type of G. biloba 15 
Glyptostrobus ? sp. , PL V, fig. 4 31 
europceus? Heer 27 
Grewiopsis Cleburni Lx 61 
20 
17 
17 
12 
49 
51 
Gymnogramma Haydenii Lx 
Halymenites major Lx 
minor? F.O 
Juglans? missouriensis n. sp., PL I, figs 
7-9 
Laramie, summary of history of 1-9 
Lathrcea arguta Lx 20 
Laurus sp., PL I, fig. 4 13 
canariensis Web 59 
prsBStans Lx., PL XVI, fig. 2 59 
primigenia Ung 68 
princeps Heer C9 
socialisLx 58 
Lemna scutata Dn 15, 16, 31, 53 
Liriodendron alatum Newb., PL I, fig. 6. . 13 
laramiense Ward 57 
Litsea macrophylla 58 
117 
