THE MIOCENE PERIOD. 



309 



In Britain, the Lower Miocene strata of Bovey Tracy have 

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



Fig. 234. — Miocene Palms. A, Chamcerops Helvetica ; B, Sahal major. 

 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 



Fig. 235. — Platanus aceroides, an 

 Upper Miocene Plane-tree, a, Leaf; 

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

 A single fruit. 



Fig. 236. — Cinnanio- 

 mum polymorphtan. a. 

 Leaf; b. Flower. Upper 

 Miocene. 



very nearly allied to the huge Sequoia ( Wellingtofiia) gigantea 

 of California. A nearly-allied form {^Sequoia Langsdorffi) 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 



