330 



LOWER EOCEXK FLORAS OF SOfTHEASTERN XORTK AMERICA. 



remarkable. The digitate speeic« of Oreopanjix 

 grade iinpereeptibly into the lobate forms 

 whieh are commoner than the furmer in Cen- 

 tral America and are also abundant in tropical 

 South America. The genus Macropanax Miquel 

 embraces three or four species of the Malayan 

 region which also somewhat resembles Oreo- 

 panax oxfordensis. 



arc very much like those of Orcopanax. Sub- 

 sequent to its original description Velenovsky 

 transferred Anilia coi'iacea to the genus Dewal- 

 quea,- although his attempted restorations arc 

 not particularly happy. The Bohemian species 

 has been recognized by Engelluirdt ' in the Upper 

 Cretaceous of Saxony and l)y Ilollick ' in that of 

 eastern North America, but the American mate- 



FiGUKE 18.— Restoration of a leaf of Oreojnnai oxfordensis Berry. (One-half natural size.) 



The only antecedent form worth mentioning 

 m the present connection is Amlia cotiacea, 

 described by Velenovsky ' from the Cenoma- 

 nian of Bohemia. In the discussion of Bom- 

 hacites formosus Berry I have ah'eady mentioned 

 the ressmblance of the wider leaves of Aralia 

 coriacea to Bombacites. The narrower leaves 



i Velenovsky, Josef, Die Flora derbohmischen Kreideformation,pt. 3, 

 p. a, pi. 1, flgs. 1-9; pi. 2, fig. 2, 18*4. 



rial is not very convincing, so that there is con- 

 siderable doubt in the suggestion that Aralia co- 

 riacea may bo ances t i;d t o Oreo pa imx oxforde nsis. 

 Occurrence. — Holly Springs sand, raikoad cut 

 (common), ravine (rare) O.xford, Lafayette 



' Velenovsky, Josef, Kvftena iesk^ho cenomanu, p. 23, pi. 4, flgs. 1-6, 

 1S89. 

 "Engelhardt, Hermann, Xaturwiss. Gesell. Isis in Dresden Abh., 



1S91, Abh. 7, p. 99. 



< Uollick, Arthur, U. S. Gcol. Survey Mon. 50, p. 99, pi 3.S, riire. S, 6, 

 1907. 



