308 LOWER EOCENE FLORAS OF SOUTirEASTERN XOKTII AMERICA. 



This species was identifieil by IloUick with Leaves narrow mul olDii^aU'd: 



Andromeda delicatula LesciUOrOUX,' a small Ovcrl7 centimeters Ion-, apex bluntly pointed. 



species of the Green River formation in i- , ,„ • , ^V«7a»r/™ puryearcn^. 



', . p 1 1- • 1 Under 1/ centimeters long, acuminate: 



V\ yommg. 1 he two are perfectly distmct and gj^^^giy acuminate at both ends, connnunlv fal- 



have no characters in common except for their cate, secondaries numeron.'*. 



general similarity of outhnc and long pt^tioles. .\<Ttitn<h-a pseinhroriarea. 



The western form is not onh- nmch A'onnger Relatively wide.-, loss acuminate, fewer second- 



than the WHcox species, but" it is only about ^""^ NeHandra lowii. 



half its size, the petiole, leaf substance, and 



venation arc more delicate, and the secondaries Nectandra Lancifollv (Lesquereux) Berry, 



are less numerous and more ascendmg, especiaUy vv^c LXXX V (i-ure ' 

 in the basal part of the leaf, which is also less 



1 i Peraca lancifolia. Lesquereux, Am. Philosf. Six?. Trans., 



rpi ■ ■ • • , ,-1 ^l, ^1 ivi ^'"'- 13> P- 419, pi. 19, fiK's. 3, 4, lS(i9. 



lliis species is not uulikc the other vvucox ^ t ,r-ii „ t„ ,• *\ a t>i,-i 



" Querent Lye.un lleer. Lesquereux (in part). Am. Philos. 



species of Mespilodaplme, but is perfectly dis- Soc.Trans., vol. I3,p.4l5, pl.l7.%s.l,2(notfig.3), 



tinct from any of them. It is about the same 1809. 



size as Mespilodaphne paeudoglauca Berry, Loughridge, Report on the geological and economic 



wllich has, however, more ascendmg basal f''^'"'''*' "^ *''"' Jackson's purchase region, p. 198, 



fio" 10 18SS 



secondaries and a more acuminate tip. It also , L^,^,:\aroHn^ms Michaux. Lesquereux, m Safford, 



differs in the same particulars and in its long j. m.. Geology of Tennessee, p. 426, pL K, fig. lo, 



petiole from the existing Mespilodaphne glauca 1869. 



of northern South America. It is much like Tthamnus Eridani. Lesquereux (not linger), U. S. Nat. 



Oreodaphne puryearensis Beny m size and Mus. Proc, vol. il, p. 2.5, 1888. 



length of petiole but is a broader, less acuminate Description. — Leaves medium sized to Itirge, 



leaf and has a different venation. There is a ovate-lanceolate in outluie. Apex narrowed 



fine specimen in the National Museum that mto a bluntly pointed acumen. Base equally 



was collected many years ago in northeastern narrowed, pomted. Length about 12 centi- 



Ai-kansas. Among foreign fossil species it is meters. Maximum width, midway between 



closely comparable with a form from the the apex and the base, about 4 centimeters. 



Ypresian of the Paris Basin wliich was de- Margins entire and full, slightly undulate, 



scribed ])y Watelet - as Perinea regidaris. Petiole short and stout, tumid, 1 centimeter or 



Occurrence. — Wilcox group, Hardys Mill, near less in length. Midi-ib stout, more or less 



Gainesville, Greene Comity, Ark. (collected by curved, prominent on the lower surface of the 



J. C. Branner); IJ miles northeast of Mansfield, leaf. Secondaries stout, prominent on the 



Dc Soto Parish, La., and Shreveport, Caddo lower surface of the leaf; 7 to 10 subopposite 



Parish, La. (collected by G. C. Matson and to alternate pairs, somewhat irregularly spaced, 



O. B. Hopkins) ; and one-fourth mile above diverge from the midrib at angles of ai)out 40°, 



Coushatta, Red River Parish, La. (collected by curve slightly ujjward at first but more abruptly 



G. D. Harris). Lagrange formation (in beds of toward the margin, and arch in a camptodrome 



Wilcox age), Puryear, Ilemy County, Tenn. mamier close to the margin. Terti:>ries tliin, 



(collc(;ted by E. W. Berry). distmct but not prominent, immersed in the 



Collections. — New York Botanical Garden. leaf substance, percm-rent or reticulating to 



Genus NECTANDRA Roland. ^^"^ ^'"'^''^ quadrangular or polygonal meshes. 



Texture coriaceous. 



Leaves large and relatively very liroad: Poorly preserved specimens of this Wt'll- 



Over 20 centimeters long Nectandra sp. , ," • 11 , j 1 tt-i 1 j 



,. ,„„,.,, mark(>d species collected ny Hiigard were de- 



Under 20 centimeters long: -i 1 , t fi 7 ■ r t t 



Secondaries remote Nectaridm glenni. scribed by Lesquereux as / ersea lancifolm. It 



Secondaries closer, subparallel, leaf relatively resembles somewhat the associated Wilcox 



wider Nectaiidra lancifolia. species, Nectandra glenni Berry, but isbrtjiider, 



~77~ J ,,,,, „, , „ „ , ,„ „., , „ „, „ ,-. 777 and the secondaries are more numerous, 



* Lesquereux, Leo, The Cretaceous and tertiary floras, p. L5, pi. 34, ^ ^ ^ ' 



figs. 10, 11, 1SS3. stouter, and less ascending. It is practically 



."M^il'^slJS''^"'''"''"''''''''''''*''"''''''''"''"'''"''''''^''''''' identical with the existing Nectandra antiUana 



pl. 51, lig. 4, looo. o 



