92 



PEOCEEDINGS OF THE 



LiTERATUEE. 



(1) Clement Eeid in Eeport Brit. Assoc. Portsmouth, 1911, 



pp. 573-577. 



(2) 0. Staff, ibid. p. 578. 



(3) E. r. fScHAEFF in ' The Irish Naturalist,' 1912, pp. 105-111. 



(4) A. ExGLEE,Versuch einer Entwicklungsgeschichte der Ptianzen- 



welt, vol. i. pp. 176-182. 



(5) T. G. Bonnet, Presidential Address in Eeport Brit. Af>soc- 



Sheffield, 1910, pp. 3-34. 



(6) E. PoRBES in Mem. Geol. Survey of Great Britain, vol. i. 



pp. 336-342. 



EXPLANATION OF THE PLATES. 



Plate 1. 



Fig. L The Distribution of Britieli Plants: SoutLern Element. 



Plate 2. 

 Fig. 2. The same ; Atlantic Element. 



Plate 3. 

 Fig. 3. The same; Mediterranean Element. 



Plate 4. 



Fig, 4. Corydulis claviculata, DC. 



5. Bubia peregrina, Linn. 



6. Erica cUiaris, Linn. 



7. Simethis bicolor, Kunth. 



Plate 5. 



Fig. 8. Arbutus Unedo, Linn. 



9. Daboecia Polifolia, D. Don. 

 10. Erica Mackaii. Hook. 

 IL Neotinea intacta, Eeichb. f. 



