PLATE X. 



Bennettites ( Williamsonia) Carruthersi, sp. no\ r . 



FIG. 1. Unexpanded fructification showing external bracts, and in 

 Fig. la the reticulate lamellar projections from the inner 

 face of a bract. Fig. 1 b represents the conical basal cavity 

 of the fructification. P. 157. [V. 3177.] 



FIG. 2. Basal view of a slightly larger fructification. P. 159. [V. 3202.] 



FIG. 3. A small fructification in longitudinal section, showing a 

 spherical boss at the base, and a few involucral bracts with 

 the thread-like interstitial organs internal to the bracts. 

 P. 160. [V. 21296.] 



FIG. 4. The basal portion of a longer and expanded fructification, in 

 the centre the base of the central boss, surrounded by the 

 reticulately marked peripheral tissue. P. 159. [V. 3201.] 



FK;. 5. Expanded bracts near the base of a fructification. P. 160. 



[V. 



