116 THE ROYAL SOCIETY OF CANADA 



Plate IV. 



Figure 1. Cyclostigma Kiltorkense Haughton. Stem of half grown 

 example; showing surface of bark with interrupted longitudinal 

 striœ and minute scattered leaf scars. Reduced | diam. 



làGURE 3. Ginkgophyllum Kiltorkense, Johnson. Showing branches of 

 leaf and forking venation. Magnified ? After T. Johnson. 



Figure 4. G. Grasseti, Saporta. Nat. size. After Johnson. 



Figure 5. G. Kiltorkense, Johnson. Seedlike bodies of this species, 

 Enlarged. After Johnson. 



Plate V. 



Himantophyton Johnsoni, n. sp. showing branched rhizome with leaves 

 attached. 



(a) Leaves extending outward from rhizome. 



(b) Bases of leaves, one geniculate. 



(c) Rhizome, branched. 



{d toward dd) Stigmarioid scars on rhizome; about four in the space 

 of an inch. Reduced | diam. 



