262 THE POTOMAC OR YOUNGER MESOZOIC FLORA. 



ing, falcate or subfalcate, comparatively closely placed, strongly decur- 

 rent ; midnerve distinct ; facial leaves ovate to elliptical, apparently obtuse 

 and smaller than tlie lateral ones, closely appressed, with often no midnerve 

 visible, sometimes removed by maceration ; cones not seen. 



Localities : Near Telegraph Station ; hill-side near Potomac Run ; 

 72d mile-post ; Fredericksburg. 



This plant is rare at all the localities except the 72d mile-post, where 

 it is quite common. Plate CXXXI, Fig. 1, shows a number of undevel- 

 oped branches and buds. This plant is a good deal like Sequoia fastigiata. 

 It has the leaves more crowded, straighter, and less diverging tlian the nor- 

 mal S. Stcrnhcrgiannm, and tlie facial leaves, probably owing to compres- 

 sion, seem to be blunt and elliptical in form. 



GYMNOSPERMOUS FRUITS. 



The following fruits of Gymnosperms, not being connected with leafy 

 twigs, probably in some cases belong to plants described from their leaf 

 branches under other names. In some cases, owing to their imperfect 

 preservation, it is not possible to place them with certainty in their true 



position. 



ABIETITES Mantell. 



Under this head I group certain cones that have in the main the char- 

 acter of some forms of Abies. 



Abietites macrocakpus, sp. nov. ? 



Plate CXXXII. Eiga. 7. 



Axis thick ; scales long, thin, and closely appressed, imbricated, nu- 

 merous. 



Locality: Fishing lait above Dutch Gap Canal; very rare. 



This cone, although very imperfect and wanting the base and the 

 apex, was evidently very long. Only the bases of the scales are preserved, 

 aud those on the upper face have been stripped off. It seems to be more 

 like that of Abies than that of any other conifei'. It resembles Ounning- 

 hamites Oxycedrus Ettingshausen, from the Cretaceous flora of Nieder- 

 schona. 



