178 WITHAMIA. 



sessile ; the veins are numerous and clearly shown. The irre- 

 gularity of the margin is probably an original character ; in some 

 other examples of these "leaves" the margin is much more indented, 

 and the form of the "leaf" longer and narrower: cf. V. 2134?, 

 V. 2798, etc. There is a distinct similarity between this speci- 

 men and an unusually entire Ginkgo leaf. Saporta's figure of a 

 Sphenozamites latifolius T leaf agrees very closely with the Wealden 

 specimen ; if this form of leaf were attached to Withamia ( Cycado- 

 racliis] armata it would make the resemblance between the French 

 and English species still more striking. Ecclesbourne. 



Ruffonl Coll. 



V. 2134^. PL V. Fig. 1. 



Axis 18cm. in length, and 9mm. broad. The longitudinal 

 striations very clearly shown, also the stout nature of the hooks. 

 Very incomplete fragments of the flat appendages in the spine 

 axils. The spines are less regularly placed than in V. 2134 

 (PI. II. Fig. 2) and farther apart. Cf. Cycadorachis armata, Sap. 

 Ecclesbourne. Rufford Coll. 



V. 2805. A short piece of an axis with two well-preserved 

 recurved spines. No leaves shown. 



V. 28050. 20 cm. long, showing seven spines. Traces of 

 flattened appendages in the axils of some of the spines. Eccles- 

 bourne. Rufford Coll. 



V. 21345. Portion of a large leaf, apparently about 7-8 cm. 

 in length. A good specimen of Sphenopteris Fontainei, Sew., 

 on the same piece of rock. 



V. 2134c, V. 2134^, V. 2134*, and V. 2134/. Portions of 

 "leaves," showing venation. Ecclesbourne. Rufford Coll. 



V. 2182, V. 2732, and V. 2798. Specimens of " leaves " Some 

 have a more cuneiform shape than the example figured (V. 2915, 

 PL II. Fig. 1). Ecclesbourne. Ru/ord Coll. 



1 Loc. cit. pi. cxiii. 



