246 



BESCBIPTIVE CATALOGTJE 



Text-fig. 7. — Triplopordla Fraasi, Steiiimann. Eeconstructioii. x i. 

 After Steinnmnn. 



AsRoeiated ^vith the Sipboneo' is tlic rather doubtful genus 

 Goniolina, first described from the Jurassic, and later recorded 

 in Cretaceous deposits. Saporta originally named it as an 

 inflorescence of a proangiospcrm, and its external appearance 

 ia suggestive of the spines of an Echinoderm. It is now gencrdll)' 

 accepted among the Siphouete, but as it is primarily a Jurassic 

 plant it will not be considered here. 



