94 



LARAMIE FLORA OP THE DENVER BASIN. 



result is yet or ever will be entirely free from 

 errors of the kind detailed above. This should 

 not be interpreted, however, as meaning that 

 all the older work was 1 uniformly of poor 

 quality, for it was not, but it was pioneer work, 

 with all the handicaps incident to such work, 

 and as such it is to be judged. Whether good 

 or bad, it is the foundation upon which all 

 subsequent effort must be built. 



SYNONYMS AND CHANGES OF INTERPRETATION. 



During the half century that the flora of 

 the Laramie formation has been under consid- 

 eration by geologists and paleontologists it has 

 naturally happened that there have been many 

 changes in nomenclature and in interpreta- 

 tion. As the literature is more or less widely 

 scattered and difficult of consultation, I have 

 thought it might be of use to have all these 

 changes brought together. The users of this 

 literature will have no difficulty in noting and 

 collating the changes that have taken place by 

 consulting the following alphabetically ar- 

 ranged list : 



Acer, fruit and leaves of, Lesquereux, Am. Jour. Sci., 2d 

 ser., vol. 45, p. 208, 1868; Hayden, U. S. Geol. and 

 Geog. Survey Terr. [Third] Ann. Rept., p. 96, 1869 

 [reprint, p. 196, 1873]. Not subsequently recognized. 



Anemia haydenii (Lesquereux) Cockerell= Anemia elongata 

 (Newberry) Knowlton, n: comb. . > 



Araucarites reicfienbachi Geinitz=5'eg , wo'ia reichenbachi 

 (Geinitz) Heer. 



Aspidium goldianum Lesquereux=Dri/op£ms lesquereuxii 

 Knowlton, n. name. 



Aspidium fiseherif Lesquereux, 187 Q= Dryopteris laramien- 

 sis Knowlton, n. name. 



Aspidium (Lastrea) pukhellumt Heer, Lesquereux, 1870= 

 Dryopteris laramiensis Knowlton, n.-name. 



Caulinites fecundus Lesquereux= Onocleafecunda (Lesque- 

 reux) Knowlton. 



Clathropodium mirabile (Lesquereux) Ward — Cycadeoidea 

 mirabilis (Lesquereux) Ward. 



Cornus incompletus Lesquereux, Am. Jour. Sci., 2d ser., 

 vol. 45, p. 208, 1868; Hayden, U. S. Geol. and Geog. 

 Survey Terr. [Third Ann. Rept.], p. 96, 1869 [reprint, 

 p. 196, 1873]. Not described, figured, or subsequently 

 referred to by Lesquereux. 



Cornus orbiferd Heer, Lesquereux= Cornus suborbifera 

 Lesquereux. 



Cunninghamites? sp. Knowlton, U. S. Geol. Survey Bull. 

 163, p. 29, pi. 5, fig. 3, 1900=Sequoia longifolia Les- 

 quereux. 



Cycadeoidea zamioslrobus Solms= Cycadeoidea mirabilis 

 (Lesquereux) Ward. 



Echitonium sophiae 0. Weber. Lesquereux, Am. Jour. 

 ' Sci., 2d ser., vol. 45, p. 208, 1868; Hayden, U. S. Geol. 

 and Geog. Survey Terr. [Third] Ann.jRept., p. 96, 

 1869 [reprint, p. 196, 1873]. Not subsequently rec- 

 ognized from this locality [Marshall, Colo.]. 



Equisetum laevigatum Leaquereux= Equisetum perlaevi- 

 gatum Cockerell. 



Ficus irregularis (Lesquereux) Lesquereux=.FwMts colora- 

 densis Cockerell. 



Ficus lanceolata HeeT=Fieus navicularis Cockerell. 



Ficus lanceolata Heer, U. S. Geol. Survey Bull. 152, p. 

 102, l8Q8=Ficus arenacea Lesquereux. . 



Ficus planicostata latifolia Lesquereux =Ficus cockerelli 

 Knowlton, n. sp. 



Ficus spectabilis Lesquereux= Ficus denveriana Cockerell. 



Ficus spectabilis Lesquereux, in Peale, U. S. GeoL and 

 Geog. Survey Terr. Rept. for 1873, pp. 203, 393, 1874 

 = Ficus denveriana? Cockerell. 



Ficus tiliaefolia Al. Braun. Lesquereux, U. S. Geol. and 

 Geog. Survey Terr. Rept. for 1872, pp. 326, 275, 1873 

 , = Ficus coclerellif Knowlton, n. sp. 



Ficus uncaia Lesquereux, Knowlton, U. S. Geol. Survey 

 Bull. 152, p. 105, 1898=.Fiaw crossii Ward. 



Goniopteris polypodioides Ettingshausen=Dn/op£eris {Las- 

 trea) polypodioides (Ettingshausen) Knowlton. 



Gymnogramma haydenii Lesquereux=-4ne?»Ha elongata 

 (Newberry) Knowlton, n. comb. 



Juglans rugosa Lesquereux (in part)= Juglans praerugosa 

 Knowlton, n. sp. 



Juglans smithsoniana Lesquereux=i ? ieus? smithsoniana 

 (Lesquereux) Lesquereux. 



Lastrea (Goniopteris) goldiana ~Lesquereux=Dryopteris 

 lesquereuxii Knowlton, n. name. 



Lastrea (Goniopteris) intermedia Lesquereux =Dn/op Sens 

 laramiensis Knowlton, n. name. 



Lastrea (Goniopteris) polypodioides (Ettingshausen) Les- 

 quereux, Tertiary flora: IT. S. Geol. Survey Terr. 

 Rept., vol. 7, p. 57, pi. 4, figs. 11, 12, 187 '8= Dryopteris 

 (Lastrea) polypodioides (Ettingshausen) Knowlton. 



fLaslrea arguta Lesquereux, Am. Jour. Sci., 2d ser., vol. 

 45, p. 207, 1868=Anemia supercretacea Hollick. 



Lauras ocoteoides liesquere\ix= Laurus wardiana Knowlton. 



Myricat lessigiana Leaqaeieux—Artocarpus lessigiana (Les- 

 quereux) Knowlton. 



Myrica? lessigii. LesqueTev.x= Artocarpus lessigiana (Les- 

 quereux) Knowlton. 



Nelumbium James= Cycadeoidea mirabilis (Lesquereux) 

 Ward. 



Nelumbium tenuifolium Lesquereux= Nelumbo tenuifolia 

 (Lesquereux) Knowlton, n. comb. ^ 



Paliurus sp. Lesquereux, in Peale, IT. S. Geol. and Geog. 

 Survey Terr. Rept. for 1873, pp. 203, 393, 1874= 

 Zizyphus coloradensis? Knowlton, n. sp. 



Phragmites oenmgensis Al. Braun. Lesquereux=Pftraj- 

 mites laramianus Cockerell. 



Phyllites sulcatum Lesquereux, Am. Jour. Sci., 2d ser., 

 vol. 45, p. 208, 1868; Hayden, U. S. Geol. and Geog. 

 Survey Terr. [Third] Ann. Rept., p. 96, 1869 [reprint, 

 p. 196, 1873]=nomen nudum. Neither described, 

 figured, nor subsequently referred to by Lesquereux. 



Platanus haydenii Newberry. Lesquereux, U. S. Geol. 

 and Geog. Survey Terr. Rept. for 1872, pp. 326, 375, 

 1873. Not subsequently recognized. 



Pteris gardneri Lesqnere\ix=Gymnogramma gardneri (Les- 

 quereux) Lesquereux. 



Quercus angustiloba Al. Braun. Lesquereux =Quercus prae- 

 angusliloba Knowlton, n. sp. 



