512 



THE AMERICAN NATURALIST [Yoh. XL 



Myrica rotundiloba Sap., loc. cit., vol. 1, p. 200; vol. 2, p. 46, pi. 5, fig. 3, 

 1865. 



Schimp., loc. ext., p. 554. 



Includes leaves with poorly developed, rather irregularly 

 rounded lobes, Saporta's specimen from St. Zacharie showing 

 a few remote serrations. Both the form known as rotundiloba 

 Sap., and laharpii Ileer apparently represent anomalous leaves, 

 the former occurring only as a single fragment and the latter 

 consisting of very imperfect material whicli Ileer says is similar 

 to various Proteaceous leaves except for the thin niidril). The 

 type material of ohtmiloha is considered by Heer to be vei-y sim- 

 ilar to the Sotzka leaves of acutiloha, but I fail to see such a 

 resemblance. The laharpii form is very similar in ouUine to 

 Watelet's Compfonio pcchmnilaia from the French Eocene, and 

 Saporta notes the close similaritv between his roiundiloha and 

 Ileer's laharpii. 



The various remains which I have included in this species are 

 all somewhat indefinite in form and venation, and without uniform- 

 ity in lobal cliaracters, so that they shed but little light upon the 

 relations of the plants which bore tliem, to the other s[)ecies of 

 (^omptonia. 



Comptonia partita (Lescp) Berry 



Mijrica partita Lesq.. .1////. R<p. U. S. Ceol. Surv. Terr, for lS7-i, p. 

 412, 1874; Tert. FL, p. 134, i)l. 17, fig. 14, 1878. 



This subcoriaceous fragment, consisting of but two lobes on 

 each side, wa. collected by Profesvor (\)pe from tlie Eocene of 



except for the margin, which was detuicuhite on the lower border 

 of the lobes, with inci.^v of Ludwiu'. It is enriivly in<lefinite in 

 character and sinij)ly serves tn show that iheic wa- in tIh' Aineri- 



type as the speeie- ,/<,n>ln,'> Wrw. :l r..,ni<l m.h s \ n^,.,. and 

 dijormr Sternb., ^^hi<h an m. <,MMnH.n'in ihr Eiirn, ran Ter- 

 tiary. The Mioe,.n,' of Hriii.l, ( nhnnl)ia fiu'iuMi.'.l Dawson 

 a leaf that he .ailed Cnmplaum <nlumhiana uhich i> almost 



