THE MIOCENE PERIOD. 309 
In Britain, the Lower Miocene strata of Bovey Tracy have 
yielded remains of Ferns, Vines, Fig, Cinnamon, Proteacee, 
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Fig. 234.—Miocene Palms A, Chamerops Helvetica; B, Sabal major. 
Lower Miocene of Switzerland and France. 
&c., along with numerous Conifers. The most abundant of 
these last is a gigantic pine—the Seguota Couttste—which is 
Fig. 235-—Platanus aceroides, an Fig. 236. — Cinnamio- 
Upper Miocene Plane-tree. a, Leaf; mune polymorphun. a, 
6, The core of a bundle of fruits; c, Leaf; 4, Flower. Upper 
A single fruit. Miocene. 
very nearly allied to the huge Seguoza (Wellingtonia) gigantea 
of California. A nearly-allied form (Seguota 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 
