516 



THE AMERICAN NATURALIST 



[Vol. XL 



Dryandroides Mtummosa Sap., Exam. Arial. Fl. Tert. Provence, p. 22, 

 1861. 



Dryandra aventica Heer. loc. ext., p. I.s6, 153. hjr. 17. 

 Dryandra Rolleana Heer, Ibid., (footnote), pi. In.^, fig. IS. 

 Myricophyllum hituminomm Sap., Eludes, vol. 1, j). 221, pi. 8, fig. 1, 

 1863. 



Mynca (Comptoma) ividohoncn^ts lleev loc cit %ol 2 p 34 pi 70, 

 fig. 5, 6. 1S.56. 



Mynca iind I , > i 1 ti,n - ^ Heir loc (it ^()l 3 p 170, pi I'A 

 fig. 10, 17. is,-,',): /•■/, .1/7/., vol. 2, pt. 2. p. 27, pi. 3, fig. 4, 5, 



1809: Minr. l-lnllir / /.. p. .Vl. ])!. 7. fig. 4-10. 1S(»9. 

 Luchvig. rahnuL. vol. s. (11. |.l. 2S. fiir. 0. 7. ISfiO. 

 linger. Foss. Fl. v. Kuwi. p, L'J. 1. fi-. I'li iscT, 

 Khimp Pal T<7^/ \ 1 _ I 1 J 1S74 



Knowlt., Proc. U. S. .\nl. W Am,. Rep. 



U.S.Geol.Surv.,yu\. 17, i.i, 1, . -^-^ ; 



Engolh Tertfl Jt^ml / ,i K \ // i l'» pi 1 iig 40 



1SS3, \crh I k <ii I h III, ) p 2 1902 



Mynca (jrafliilloov l< / i 1 1 .0 ii. 20 (nonhg 19 which reft i- 



able to CompUmm larininUr^ 

 Mynca unqni H(<i I < / ] n i 11 .0 fm 21 {„<m fig 22), 1S39 



Luduig / < I \ ' 1 1 _ • h , 1 .(I lu J 3 1S60 



Mynca di, I ; 1 n , . / / A / / , 1_ }1 l,fig 7,1857 



This specie.s aj){)r()aclic.s ( (iiuptoum laviiiKita ((iiite closely in 

 Unger's leaves troiii the drecian ( )lig()ceiie. which also clo.sely 

 re-semhle that style of leaf of the modern sjjecies .shown on PI. 2, Fig. 

 5, a type which is not at all rare on certain of the modern plants of 

 Coniptonia. 



One ofthe figured lea\e> which Ih.i ( ilK 1///, , a qia j],, ^. niex- 

 able to vindohonen.sis and the other to Ideinuttd. which .show.s how 

 closely the.se two species are related. In the other direction vin- 

 dohonensis approaches quite near to on int/rnsis. such Ic^aves for 

 instance as tho.se of Heer from Switzerland and tliose of I-ttincr.s- 

 hau.sen from Koflach coming verv near tothe last-inentione<l species. 



