DESCRIPTION OF SPEOIES. lOi) 



Habitat: Ellswortli County, Kansas. No. 57 of the museum of the 

 University of Kansas ; A. Wellington, collector. 



Order ARISTOLOCHIE^. 



Akistolochites dentata Ileer. 



Phyll. Orct. du Ndbr., p. 18, PI. ii. Figs. 1, 2 ; Lesquereux, Cret. Fl., p. 87. PI. xxx, 



Fig. 6. 



Apocynophyllum sordidum, sp. nov. 

 PI. LXIV, Fig. 11. 



Leaf subcoriaceous, lanceolate, equally naiTowed upward, acuminately 

 and downwai'd to the enlarg'ed median nerve, wliicli is j>radually thiinier 

 above and scarcely visible toward the apex; borders entire; secondaries 

 oblique, camptodrome. 



The surface of the leaf- is mostly covered with iron or yellowish crust, 

 and few of the secondaries are distinct ; they are at an acute angle of diver- 

 gence, camptodrome. 



The leaf is comparable to those figured and described as A. laiiccoUttioii 

 Ung., and is described by Weber in his Tertiiirfl. Niederrh. Braunkohleu- 

 form., p. 74, PI. iv, Fig. 1. 



Habitat: Ellsworth County, Kansas. No. 1187 of the collection of 

 Mr. R. D. Lacoe. 



Order EBENACE^. 



DiosPYKOS PRIM^TA Heer. 

 PJ. XX, Figs. l-d. 



Phyll. Cret. du Nobr., p. 19, PI. i, Figs. 6, 7; Fl. Foss Arct., vol. 6, 2 Abth., p. SO, PI. 

 xviii, Fig. 1 ; vol. 7, p. 31, PI. LXi, Fig. 5a, b, c; Newberry, Later Ext. Fl., j). s, 

 Illiistr. Cret. aud Tert. PI., PI. in. Fig. 8; Lesquereux, Cret. and Tert. Fl., p. 50. 



Leaves of medium size, subcoriaceous, oblong, oval, entire, narrowed 

 or rounded downward, and declined to the petiole at the very base. Tlie 

 median nerve is thick, secondaries parallel, ('(juidistaiit, connected bv strong 

 nervilles at right angles, camptodrome, and following tlie boi"ders in rejjcated 

 bows. 



These leaves clearly represent Heer's species, especially as figured in 

 Phyll. Cr(^t. du N^br., PI. i. Fig. 6. In the specimens figured in Fl. Foss. 



