PLATE III. 



Protopiceoxylon Edwarclsi, sp. nov. Woody branch. 

 Lower Greenland ; Berwick Green, Sussex. 



Fig. 1. Transverse section, showing the stem with the centre 

 of the axis preserved and surrounded by well-marked 

 growth-rings. No. V. 4859 (p. 81). 



Fig. 2. Enlargement of part of the centre of the stem, p., pith ; 

 px., protoxylera and primary wood ; te;., secondary 

 wood. No. V. 4859 a (p. 81). 



Fig. 3. Part of the secondary wood, showing the broad zone of 

 thickened autumn wood in the well-marked growth- 

 rings, r.c., resin-canals in the autumn wood. 

 No, V. 4859 a (p. 81). 



