WILLIAMSOHIA. 105 



•exception of the fossil originally described by Buokland as 

 Podocarya} Buckland's type-specimen cannot be found, but there 



is practically no doubt that it must be assigned either to the genus 

 Williamsonia or to Bennettites. 



Genus WILLIAMSONIA, Carruthers. 



[Trans. Liim. Soc. vol. xxvi. p. 680, 1870.] 



Williamsonia Bucklandi (linger). 



[Gen. spec. foss. plant, p. 327, 1850.] 



1837. Podocarya, Buckland, Gaol, and Min. vol. i. p. 503 ; vol. ii. p. 101, 

 pi. Ixiii. figs. 2-10. 



1849. Fodocarya, Brongniart, Tableau, p. 106. 



1850. P. Bucklandi, Uuger, Gen. spec. foss. plant, p. 327. 



1872. P. Bttclclandi, Schimper, Trait, pal. veg. vol. ii. p. 477. 



1873. P. Bucklandi, Zigno, Flor. foss. Oolit. vol. ii. p. 5. 



1878. P. Bucklandi, Lyell, Elements Geol., 2nd ed., p. 335, fig. 350. 

 1891. WiUiiimsonia Bucklandi, Saporta, Pal. Fran9. vol. iv. p. 127, 

 pi. ccxxxviii. figs. 1-3 ; pi. ccxxxix. fig. 1. 



1894. Podocarya Bucklandi, "Woodward, Lower Ool. p. 598. 



1895. Williamsonia Bticklandi, Seward, Wealden Flora, ii. pp. 147, 151, 154. 



1902. W. Bucklandi, Nathorst, K. Svensk. Vet.-Akad. Hand. vol. xxxvi. 



No. 4, p. 15. 



1903. TF. Bucklandi, Lignier, Mem. Soc. Linn. Normandie, vol. xxi. 



pp. 22, ,29. 



It is unfortunate that Buckland's type-specimen is not forth- 

 coming. I made an unsuccessful search among the Jurassic fossils 

 in the Oxford Museum, and Professor SolLas, who kindly undertook 

 to make every effort to find the fossil, was also unable to trace 

 Buckland's specimen. Buckland's specimen was obtained from 

 rocks of Inferior Oolite age at Charmouth, in Dorsetshire. He 

 ■describes it as an " unique and beautiful fruit," which he regarded 

 as closely allied to the recent Pandanaceee. Its size is described 

 as being that of a large orange. It consists of a thick central axis 

 • or receptacle extending rather more than half-way through the 

 middle of the ' fruit ' ; from the axis are given ofi crowded and 

 slender stalks, some of which appear to be terminated by oval 



1 Buckland (37). 



