210 THE BOTANICAL MAGAZINE. [V oi. xxiv. No. 2S4. 



These portions of the thick walled elements probably represent 

 the characteristic " Rotholz " of Conifers and the position of 

 this ' red- wood ' in the main is to respresent either the side of 

 the axis which was turned downward or the side away 

 from the wind, that is the side of the axis on which the 

 stronger pressure was laid. 



As to the structure of the cortical portion and of the leaf, 

 several points as the development of transfusion tissue, some 

 features of leaf traces, the presence of large secretory cavities, 

 etc. remind me of the plants of Brachyphylloideae of Hollick 

 and Jeffrey. The general aspect of the leafy shoot too 

 presents a considerable resemblance. Hollick and Jeffrey's 

 figures and photos of Brachyphyllum (Hollick and Jeffrey, 

 Affinities of certain Cretaceous plant remains, etc., pi. 3. Re- 

 printed from the American Naturalist 1906.) show, in the 

 external appearance of the shoot as well as the internal aspect 

 of the transverse sections of the shoot which is much nattered 

 as in our Yezonia, rather striking resembrances between the 

 two plants. The secretory cavities characteristic to Yezonia 

 may be interpreted, as they have been done by Hollick and 

 Jeffrey in Brachyphyllum, as the ones characteristic to the 

 Araucarian plants. 



As it became thus highly probable that our Yezonia and the 

 American Brachyphyllum from the Cretaceous bed at Kreischer- 

 ville are related to each other, a comparison of the nature of 

 pittings of the tracheids and of ray cells became much desirable. 

 Unfortunately, however, the pit structures in Yezonia are gene- 

 rally not well preserved, and it is not easy to find them as it 

 was stated in the memoir (Stopes and Fujii, 1910. I.e. p. 27.) 

 Dr. Suzuki has kindly examined a number of my preparations 

 of Yezonia and found the pits both in the tracheids and in the 

 ray cells, where we could see them w r ith sufficient definition. 

 The tracheal pittings are, so far as we found at present, of a 

 single row as it was stated in the memoir, but they are not 

 always separated from each other, and sometimes are placed 

 close to each other, just as in the case with Brachyphyllum 

 macrocarpum (Hollick and Jeffrey, 1906. I.e. fig. 1). The 



