No. 2.J SCUDDER ON PALEONTOLOGY OF FLORISSANT, COLORADO. 297 



near Planeri Ungeri [Ettingsb.], and perhaps another si)ecies of the 

 same genus." The Juglandaceae are represented by single specimens 

 of Juglcms thcrmalis* and Pterocarya americana, besides species of Pal- 

 aeocarya and Engelhardtia. The six Cupuliferae recorded are all Euro- 

 pean species, viz: Quercus neriifolia Al. Br., Q. drymcjaUng., Q. saUcina 

 Sap., Q. antecedens Sap., Carpinus grandisTJng., and CpyramidalislIeeT. 

 The Myricaceae are the next most abundant type alter Planera, being 

 represented especially by Myrica acuminata Tjiig., and CalUcoma micro- 

 pliylla Ettingsh. (a true Myrica), both European species; there are, be- 

 sides, no less than seven other species of Myrica, one of them referable 

 to the European species, M. Ludmigi Schimi3., another to a variety, acuti- 

 loha, of another European species, M. latiloha Heer; but the others 

 new and either considered allied to M. Zacchariensis Sap. and 31. arguta 

 Sap. of the beds at Aix in Provence, or described under the names 

 M. Copea7ia, M. Bolanderi, and M. insignis ; of the last, two specimens 

 are mentioned ; of the other two, only one. Of Betulaceae, Betula and 

 Alnus are represented by a single species each, Betula dryadum Brongn. 

 and J-Zwws Kefersteinii Gopp., both again European forms ; cones of the 

 latter are found. Salicaceae are tolerably abundant, Salix and Poi^ulus 

 being represented by four species each ; the four species of Salix are all 

 identified as belonging to forms previously described from Europe or 

 Alaska, viz : ^S'. Lavateri Heer, iS. Integra Gopp., S. media Heer, and ;S^. 

 varians Gopp. ; one species of Populus is referred to P. latior Al. Br., of 

 the variety represented by Heer as denticulata ; two others are consid- 

 ered new, one belonging to the section of P. glandulifera Heer ; while the 

 fourth, represented by a large number of leaves, very variable, espe- 

 cially in size, is considered as identical with P. Heerii Sap. of the gypsum 

 beds of Aix. Finallj", of undetermined plants in this group, there is a 

 species of Trilobium, and a Carijites, described as (J. Pealei. 



Among the Coniferae there is considerable variety, five species occur- 

 ring, of four genera, all but one of the species represented in the Euro- 

 pean flora. There is, first, Pinus palaeostroMis f Ettingsh.; next, well- 

 preserved branches of Taxodium disticlium miocenicum Heer ; and abun- 

 dant remains of Glyptostrohus Europaeus Heer ; as well as two species of 

 Sequoia, S. Langsdorffii Brongn., and S. affinis Lesq. Tlie presence of 

 the last-named genus is also well attested by the remains of gigantic 

 silicified trunks in an erect position. 



Finally, in the lower orders of plants, the following have been found: 

 Of the Palms, a large specimen of a Sabal related to Sahal major Ung. 

 of the European miocene ; of the Araceae, Acorus bracJiystachys Heer, first 

 described from Spitzenberg ; of the Tj-i)haceae, finely-preserved leaves 

 of a Typha ; of the ISTaiadaceae, two species of Potamegeton ; of the 

 Iridaceae, well-preserved leaves of an Iris ; of the Gramineae, two frag- 

 ments of leaves of Phragmites ; of Eilices, numerous specimens of a 



* "Hot Springs, Middle Park," is the locality givan in the text of Lesquereux's Ter- 

 tiary Flora, but in the table, p. :i27, it is also credited to Florissant. 



