PLATE II. 



Ceossotheca Honinghausi, Kidston. 



(Lyginodendkon oldhamium, Williamson.) 

 Fig. 



1. Diagram explanatory of Plate I., fig. 1. s, stem, 1 cm. wide, showing 



sclerotic strands and a few emergences, r, rachis attached to stem, 

 and having in continuity with it the Calymmatotheca condition, b. 



2. Surface view of the stem, showing the sclerotic network and the hook- 



like emergences. Magnified. 



3. Diagrams to show (a) the relation of the pinnule segments to one another, 



(b) the pinnate venation and the lobation of a segment. Slightly 

 magnified. 



4. Pinnule segment, showing the venation and a few of the emergences as 



seen in surface view. Magnified. 



5. A portion of a eupular lobe, showing the venation. Magnified. 



6. A eupular lobe rosette and adjoining parts, r, rachis. Magnified. 



