PLATE CXX. 



Page. 



Fig. 1. Lauki.noxylo.v PULCHRUJI u. sp. Fossil Forest 765 



2. Quercixium lamarense n. sp. Specimen Ridge 771 



3-5. PLATAKINIUM iiaydeni Felix. Specimen Ridge 7(37 



1. Transverse section X 90 diameters, showing wood cells of two kinds, medullary rays, and 



large ducts. 



2. Transverse section X 320 diameters, through duct. 



3. Tangential section X 90 diameters, showing wood cells, scalariform ducts, and very large 



medullary rays. 



4. Transverse section x 90 diameters, showing short-celled medullary rays with black cell 



contents, wood cells in vicinity of annual ring, and numerous large ducts. 



5. Radial section x 90 diameters, showing narrow wood cells, numerous ducts, and short- 



celled medullary rays. 



