THE MIOCENE PERIOD. 



309 



In Britain, the Lower Miocene strata of Bovey Tracy have 

 yielded remains of Ferns, Vines, Fig, Cinnamon, Proteacece, 



Palms A, Chamterops Helvetica ; B, Sabai major. 

 of Switzerland and FYanr_e. 



Fig. 234. Miocene Palms A, Chamcprops Helvetica ; B, 

 Lower Miocene of Switzerland and France. 



&c., along with numerous Conifers. The most abundant of 

 these last is a gigantic pine the Sequoia Couttsice which is 



F,g. 235. Plataims nceroides, an 

 Upper Miocene Plane-tree, a, Leaf; 

 b, The core of a bundle of fruits ; c, 

 A single fruit. 



Fig. 236. Cinnamo- 

 IHUIII polymorphum. a, 

 Leaf; b, Flower. Upper 

 Miocene. 



very nearly allied, to the huge Sequoia ( WeUingtonia) gigantea 

 of California. A nearly-allied form {Sequoia Langsdorjfi} has 

 been detected in the leaf-bed of Ardtun, in the Hebrides. 



In Greenland, as well as in other parts of the Arctic regions, 

 Miocene strata have been discovered which have yielded a 

 great number of plants, many of which are identical with 

 species found in the European Miocene. Amongst these 



