BOTANICAL AND GEOLOGICAL. 723 



smaller vessels surrounding vessels of a larger diameter 

 nearly equal to those forming the vertical tissue. 



"Fig. 3ffl. Is an oblique section, which exhibits the 

 connection of these vascular cords with the vertical tissue." 

 Trans. Geol. Soc, 2nd ser. vol. v (1840). 



Petrophiloides. 



" Upon showing the fossil cones to Dr. R. Brown, he 

 very kindly pointed out to me the affinity existing between 

 them and the genera Petrophila and Leucadendron, and 

 particularly with one species of the former genus — Petro- 

 phila diversifolia — described in his ' Prodromus Florae 

 Novae Hollandise,' page 365." 



Dr. Bowerbank's ' History of the Fossil Fruits and Cones 

 of the London Clay,' page 43 (1840). 



Mr. [now Sir] C. Lyell, in a paper ' On the Boulder 

 Formation and Freshwater Deposits of Eastern Norfolk,' 

 says — 



" Among the vegetable fossils the most common and 

 best preserved are the seed-vessels of an aquatic plant which 

 Mr. R. Brown refers to Ceratophyllum demersum, English 

 Botany, 947." — London and Edin. Phil. May., vol. 15, 

 p. 355 (1840). 



Lieut. Newbould says that Mr. R. Brown determined 

 the specimens of fossil wood brought by him from Egypt 

 "to be dicotyledonous, and not coniferous." — Geol. Proc. 

 iii, p. 787. [Bead Jan. 29, 1842.) 



Dr. Mantell, in a paper ' On Fruits from the Cre- 

 taceous Rocks,' says, under Carpolithes Smithim — 



"I am indebted to Dr. Robert Brown for the careful 

 examination of this fossil, and he informed me that be 

 knew of no fruit to which it bore any near affinity, but 



