SAPINDALES. 265 



aceous. Potiolo short and stout. Midrib stout, Petiole short and stout, 1 to 2 iniUiniotors in 



curved, proniiuent on tlie lower surface of tiie length. Midrib stout, narrowed distad on the 



leaf. Secondaries thin, al)out six ojijiosite to upper surface of the leaf, more or less projuinent 



alternate pairs, diver<;in,t': from tlie midrib at on the lower surface. SiH-ondaries tiiin, four 



acute angles and curving; upward in wide loops or five subopposite to alternates pairs; they di- 



lo join the adjacent superior secondaries a con- verge from the midrib at angles of 4.")" or more, 



siderable distance fi'om the inargins. Ter- curving outward and then slightly upward, 



tiai-ies very tiiin, arciiing in the marginal eacli forming a camptodronuA arcli approxi- 



rc<rion. matelv iiarallel witli tlie margin and close to il. 



This well-marked small leaf in its general Tertiaries imnu'rsed in the leaf substance and 



outline, niai-ginal crenation, texture, and xcna- obsolete. 



tion is strictly comparable to some of tlu' This characteristic species, with its snuill 



modern species of Maytenus, especially Mat/- leathery and nearly orl)icular sliort-pelioled 



tciuis lurficilhilus (Ruiz and Pavon), Jlfaijteniis leaves, resem])les a great many um'elat(Ml mod- 



boaria Molina, and Mdnlnms cMlensis De ern forms. It is somewhat suggestive^ of the 



Candolle of tropical and subtropical South Wilcox species Bumdia psiudoliorr'ida B(M-rv, 



iVinerica. It also resembles several West which has leaves of this size and more or less 



Indian species of the genus Myginda Jaccjuin. orbicidar form, but they are sliglitly narrowed 



Among fossil forms it may be compared with proximad and more or less refuse distad and 



Maijtenus europn-a Ettingshausen ' from tlie carry nunierous thin ascending lateral veins. 



Bohemian Tertiary. The genus Maytenus Heer has described a Miocene upland form 



includes about 70 existuig species of the West from Switzerland as Vaccirmim reticulatum,- 



Indies, Central Anu'rica, and tropical South which has leaves similar to the present species 



America. and wliich because of its coastal habitat in a 



Occurrence. — Lagrange formation (in beds of warm Eocene climatic zone can scarcely be re- 



Wilcox age), Puryear, Henry County, Tenn. ferreil to Vaccinium. ^Vjiother European Mio- 



(collected by E. W. Berry). cene type whose leaves are comparable to those 



Collection. — U. S. National Museum. of the species under discussion is Rhamnus hre- 



vi foil us Alexander Braun,^ and I was at first 



Genus CELASTRUS Linne. • ,• , , . ^, . ^^., • . m 



mcuned to refer this Wilcox species to Rham- 



Leaves small and entire margined: nus, several modern as well as fossil species of 



Orbicular Cdastrus bn(cl:ma7inifolia. which have small elliptical coriaceous leaves. 



Lanceolate. ... Cdastrus minor, -phe venation , however, is not that of Rhamnus 



Larger with toothed mai-gms: ,, ,, .\ ^ t r^ -i ^ i ■, , 



T, 1 «■ 1 11 1 -I 111 I ^ '>ut ratlicr that of Celastrus, and it may be 



Relatively small leaveswith rounded baseandcrenate- , u, » ^ j '".y --"^ 



serrate margins ( vinstrtis eo!if,nit!c(i. compared with CelaMrus hruchman ni iVIexander 



Larger, etiually pointed at both ends, margin ere- Braun, a widespread form of tlic European 



nate Celastrus veatchi. Miocene that also occurs in the Chesapeake 



Very large and broad, base truncate or subcordate, ^^roup of Atlantic North America. It is as a 



margin prominently serrate. . .rc/ns/n/s ?ai(rinf?iS!.s. i i j. i j- i i 



rule a somewhat larger form and has more 



Celastrvs BiiucKMANNiFOLiA Bcrry, n. sp. ascending secondaries and well-marked per- 



„, , „, ^ current tertiaries. In addition a number of 



Plate LXI, figure 1. rp ,■ • j- i .i ii t 



tertiary species referred to the genus Legunu- 



Descri ption. — Leaves small, elliptical or nosites, for example, Lrguminosites Jcrtllctus 



orbicular in outline, many specimens slightly Saporta, ^ from the Sannoisian of France, 



incfpiilateral. Length about 1.2 centimeters, resemble Cetos^rt/s 6rMc^mam?i/bZia to a greater 



Maximum width, in the middle part of the leaf, or less degree. The venation and sum of the 



about 1 centimeter. Apex and base about characters, however, convince me that tiie pres- 



ecpiaUy and broadly rounded. Margins entire, ent species is not a leguminous leaflet, but a 



generall\^ full, and rather evenly rounded, 



T » , , il • 1 m • Ulecr, Oswald, Flora tertiaria Helvetiir, vol. 3, p. 10, pi, ini, figs. 



Leal substance thick, lexture coriaceous. 30a-g, issg. (See especially fig. 300 



■ — — ndcm, p. 7S, pi. 12'!, figs. 27-30, 1.S59. 



I Ettingshausen, C. von, Die fossile Flora des Tertiiir-Beckens von < Saporta, O. de. Etudes sur la ve^gt'tation du sud-est do la France k 



Bilin, Theil 3, p. 31, pi. 48, figs. 10-13, 1869. IMpoque lerliairp, vol. 3, pi. I.S, figs. 23, 24, 1K07. 



