NILSSONIA. 223 



Genus NILSSONIA, Brongniart. 

 [Ann. Sci. nat. vol. it. p. 200, 182S.] 



The characteristics of this genus have already been discussed at 

 length in the second volume of the Wealden Flora,^ and need not 

 ihe recapitulated. 



1. Nilssonia compta (Phillips). 



S. Nilssonia mediaua (Leckenby, ex Bean MS.V 



3. Nilssonia tenuinervis, Nathorst. 



1. Nilssonia compta (Phillips). 



[Geol. Yorks. p. 148, pi. vii. fig. 20.] 

 (PI. IV. Fig. 5 ; Text-figs. 39 and 40.) 



1828. JPterophtjllum Willimmonis, Brongniart, Prodrome, p. 95. 



1829. Cycadites comptm, Phillips, Geol. Yorks. p. 148, pi. vii. fig. 20. 

 1833. Fterophyllmn comptum, Lindley & Hutton, Foss. Flor. vol. i. pi. Ixvi. 

 1841. JPtet-ophyllmn comptum, Morris, Annals, vol. vii. p. 118. 



1848. Nilssonia compta, Bronn, Ind. Pal. p. 812. 



1849. Nilssonia compta, Brongniart, Tableau, p. 106. 



1850. Nilssonia compta, Unger, Gen. spec, plant, foss. p. 296. 

 1854. Pterophyllum comptum, Morris, Brit. Foss. p. 19. 



1856. Cf. Danaites Secri, Zigno, Flor. foss. Oolit. vol. i. pi. xxv. figs. 1-4. 



1863. Cf. Pterophyllum princeps, Oldliani & Morris, Pal. Ind. p. 23, 



pis. x.-xiii. 



1864. Fterophyllum comptum, Leckenby, Quart. Journ. Geol. Soc. vol. xx. 



p. 77, pi. ix. fig. 1. 

 1867. Cf. Nilssonia polymorpha, Schenk, Flor. Grenz. pis. xxix.-xxxi. 

 1870. Pterozamites comptus, Scliimper, Trait, pal. veg. vol. ii. p. 147. 

 1873. Fterophyllum comptum, Zigno, Flor. foss. OoUt. vol. ii. p. 20. 

 1875. Fterophyllum comptum, Phillips, Geol. Yorks. p. 227, pi. vii. fig. 20. 



1877. ? Anomozmnites Schmidtii, Heer (77"), pis. xxiii. and xxiv. 



1878. Cf. Nilssonia poh/morpha, Nathorst, Flor. Bjuf, p. 72, pi. xv. 



figs. 3-5. 

 1883. Nilssonia compta, Sehenk, in Richthofen's China, p. 262, pi. liv. 

 fig. 2. 



Seward (95), p. 50. 



