PLATE 9. 
1. 65. 2 . Phytopsis cellulosum. (Pag- 39.) 
1. Base or root of one of these fossils, with its diverging and slightly ascending branches. The surface, not 
being worn, presents no marks of structure. 
1 a. A part of the specimen presents the longitudinal fibres, with very distant transverse fibres. 
1 6. A longitudinal section, passing nearly through the centre of the stem, showing the longitudinal and trans¬ 
verse fibres. 
1 c. Portion of two stems with the cuticle removed, showing the structure. 
1 d. Oblique sections near the termination of branches, presenting stellate or cruciform cells. 
1 a (in part), presents quadrangular cells, arranged diagonally to the direction of the stems. These forms may 
arise from weathering, or solution of cellular partitions in forms like 1 d. 
