URTICAI.ES. 197 



species J'sciiJoliiiedla sjiuria Cirisehaeh, which Ficus PSEUDoct si'idata P.cri-y, ii. sp. 



has leaves exactly lik(! tlu)se of the fossil species, ^, , t.-,,.,,, , 

 with the same stout ri<:;ht-an<>;le(l secondaries, 



flat lateral arciies, ami tertiary venation. Tiie D< scrl pii(iii.— ]A-.iy>'<. small, lanceolale in 



apical point lias the same sha])(> as in the fossil .icciieral outline, widest in the middle and acu- 



and is similarly extended, hut tiu^ ultimate minate at hotli ends. Mari;ins regular and 



point is not as acute as in the fossil. Tiie entire. Texture subcoriaceous. Lenirth ahout 



genus Tseudolmedia comprises at)out 5 species 'H ci'iitimcters. Maxinnini width ai)out 2 



in tiie existin<j flora, wiiicli iidiahit tlu^ West <'entimeters. Petiole sliort and very stout , not 



Indies, Central America, and tropical Soutli over .5 millimeters in len>z;th. Midrihslout and 



i\aiierica. straiglit, iiromincnt on tiie lower surface of tiie 



Occwr/rnre.— Lagrange formatiou (in beds of l''i'f- Secondaries stout, prominent on tiie 



Wilcox age), Puryear, Henry County, Tenn. J^'^^i'i" surface of (he leaf, widely but regularly 



(collected by E. W. Berry). spaced, alternate except in tlie l)asc of tlie leaf; 



Collection.— V. S. National Museum. ^'"'.v <liverge from tlie midrib at wide angles, 



approximately of tpiite 9(J°, pursue a straigiit 



Genus FICUS Linr.e. ^^^^^^^ ,^,,,, -j^.^^.^, ^^^^-^ ^.^^^j^ connected by 



Broad leavra i)almately veiiicnl: broad flat cainptodrome arches. Tertiaries 



Verylarfre: ... . oi)solcte. 



Over li) centimeters in width Finis si). „■.! ■ ^ . ■ .■ i-..i • • i 



T „ T- .■ , ■ n, this characteristic little species is named 



Less than lo centimeters in widtii. . ... 



FinitsmopJiJiiinKiiiid. f>'""i its resemblance to the existing oriental 



Under 12 centimeters in width: Ficus ctispidatd Bluiue. It may also be coni- 



Prirnaries 5, liasilar Finis ■pmitdopopuhis. psired with a number of existing species of 



Primaries 3, b;isilar Fims Imrrmumi. northern South America. Among the members 



Primaries 3, supraba-silar: ^ ,, ■.-.rj n •. \ \ n i i i- 



, , ' „. , ■ , , ot the Wilcox ilora it resembles rseudolrncdM 



Largeleaves I' icas punacostata nmxima. • -n i ■ i-i i- • 



Small leaves Fkus ocddentalk. focemca Berry but IS readily distinguishable, 



Ficus rinmmomoidcs. especially in its venation characters, as is ob- 



Narrower and more elongated leaves with pinnate vena- vious when the figures of the two are compared. 



t-"*"- Occurrence. — Lagrange formation (in beds of 



Leaves broadest below the middle: iht-i,„,, \ -n ti <-< * ti 



., . ., Wilcox age), Puryear, Henry County, lenn. 



Not over/ centimeters wide: / n i , t-. -nr t. ^ ' 



Secondaries remote Fims .chimperi. ("'U<'ct<>d by E. W. Berry) . 



Secondaries clo.ser Ficus dmimana. C'oJhcUon.—V. S. National Museum. 



Over 7 centimeters wide: 



OutUne regular, secondaries numerous. Ficrs OfCiDENTALis (Lesquereux) Lesquereux. 



„ , . , , ,. , , . I'lulc XW III, figure 3. 

 (Jonstricted medianly, secondaries remote. 



Ficus vciuijhani. Donibeyopsis occidenlalis. Lesquereux, U. S. Geol. and 



Leaves broadest modianly, tapciiiig to both ends: Geog. Survey Terr. Ann. Kept, for 1872, p. 3S0, 



Nearly as wide as long Ficu.s artocarpoides. 1873. 



Much longer than wide, pointed at both ends: Ficus occidenlalis ('Lesfiuereu.x). Lehtiuercux, The Tcr- 



Large leaves with numerous subparallel sec- tiary flora, p. 200, ]>!. 32, fig. 4, 1878. 



ondaries less than 5 millimeters apart. t-i • ■ 



Ficus eolir/nitira. Description. — This species was described by 



Linear-lanceolate, tip more pointed than Lesquereux in the following terms: 



b:i.sc, secondaries close, conspicuous margi- Leaves comparativelv (hick, coriaceous, truncate-cor- 



, "'*' '7"'''^ ^"■"'' ^"W'iJoluis. ,]^,^. .^, „,,, ,,.,„^._ narrowed upward into an obtuse acumen, 



Lanceolate or oblong-lanceolate, equally j,^],„at(.lv triple nerve.l: lateral veins equi.listant, parallel, 



pointed at both ends: ramptodn.me. 



Secondaries close Ficus wilcoxeiis-i's. 



Secondaries remote: The specics is found in the Denver formation 



Largeleaves. at Golden, Colo., and occurs sparingly in (he 



Ficus puryearensii elongata. Ackerman formation of nordiei'ii Mississippi. 



Small narrow leaves: rpi i t i\ t t ■»«-•••• 



,,,, , , , llie leaves of the form from Mississippi arc 



Oblong-lanceolate. , ^ ,, , , . , t. , 



Ficus pscudolmediafolia. so'ne^-hiit Smaller than thos(>. from the Rocky 



Acuminate-lanceolate. Mountains, averaging about 8 centimeters in 



Ficus pscii/locuspi</(,iu. length by G centimeters in maximum width, 



