264 



Fig. 2. a Sciadopiti/tes Eirikiana (Heer): lover surface of symphyllodium, 



showing the central groove with stomata and the papillate folds correspond- 



ing to its sides. b Sciadopitijtes macrophylla sp. nov.: a stoma-opening sur- 



rounded by eight subsidiary cells, each with a papilla. c — e Scidciopitijs 



tertiaria Menzel: c lower surface of symphyllodium, showing the central 



groove with stomata and papillae; d transverse section of symphyllodium, 



showing the upper non-stomatiferous and the lower stomatiferous groove, 



the two bundles and resin canals; e one of the bundles, more highlj^ 



magnified, showing transfusion tissue. 



