394 



in right angle to the middle; intermediate ones in an acute angle of 

 divergence, curving up toward the point, and anastomosing with sec- 

 ondary veins, and their branches all caaiptodrome. 



This leaf is deeply convex toward the point of attachment of the 

 petiole far above the border-base, or nearer to the middle than to the base ;. 

 it is thus about exactly funnel-form, the tojD of the petiole being marked 

 by a hollow stalk penetrating the stone. Under the lowest pair of 

 veins, the nervation and areolation totally disappear, being only indi- 

 cated by short wrinkles at the mouth of the hollow of the petiole. 



In comparing this leaf with Aristolochifes dentafa, Heer, in Cretaceous 

 Flora (PI. XXX, fig. 6), the generic relation marked by form of leaves 

 and nervation is easily recognized. By the character of nervation, also, 

 this leaf has a great likeness to the one which is described above under 

 the name of Fo])ulus aristolochioicles. 



14. AHALIA TRIPARTITA, sp. IIOV. 



A three-palmately-divided, small leaf, cut to two-thirds of its length 

 in three nearly equal narrow, linear, obtuse lobes, about five centimeters 

 long, one centimeter wide, perfectly entire, the lateral ones diverging at 

 an angle of thirty degrees, and joined to the middle one by narrow, 

 obtuse sinuses; the leaf is three-nerved from the base; no trace of sec- 

 ondary veins or of areolation is distinguishable. 



The texture of this leaf is coriaceous. Though it has no distinct ner- 

 vation, it is referable to the genus AraJia, and comparable to living spe- 

 cies of the section of the Oreopanax. 



15. Aralia quinquepartita, Lsqx. 



This species, described and figured in the Cretaceous Flora (p. 90, PI. 

 XV, fig. 6), from a mere fragment representing only the lower part of a 

 leaf, is now known from large, nearly complete leaves, deeply five-lobed, 

 with long, narrow, linear-lanceolate lobes, distantly dentate from the mid- 

 dle to the point ; the base of the leaf is gradually narrowed and decur- 

 rent. 



The primary nervation is the same as in the following species; but the 

 subdivisions are totally obsolete, the substance of the leaves being sub- 

 coriaceous and polished. 



16. Aralia Saportana, sp. nov. 



Leaves very variable in siz ', palmately five-lobed, narrowed to a long 

 petiole ; lobes shorter than in the former species, cut to the middle of 

 the leaves, distantly and obtusely dentate from a little above the obtuse 

 sinuses, lanceolate, obtusely pointed ; i3rimary nerves three from a little 

 above the base of the leaves, the lateral ones forking, all of the same 

 thickness; secondary veins parallel, equidistant, entering the teeth; 

 nervilles in right angle, deeply marked, forming by divisions a quad- 

 rangular, small areolation. 



This species is represented by a number of fine leaves, variable in 

 size, from nine to eighteen centimeters long and from nine to twenty 

 centimeters broad, between the points of the external lobes. The lowest 

 pair of secondary veins is camptodrome, curving along and following 

 the borders near the base, where they are generally entire. 



17. Aralia concreta, sp. nov. 



Leaves small, very thick, coriaceous, palmately five-lobed to below the 

 middle, narrowed to a thick petiole, entire; primary veins three from 

 "-.he top of the petiole, or from a little above the border-base of the leaves, 



