IG ART. R. — M. YOKOYA:\rA : 



Tlieir number may be about forty, and the general appsarance 

 of the disks resembles the chrysanthemum crests of our Imperial 

 Family. 



IV. Ssu-ping-chieh, Ching-ching-TIag, Shêng-chitig-Shêag.^^ 

 CORDAITES PRINCIPALIS (Germ.). 



PI. V. Figs. 1, 2. PI. yi. 



We have many fragments of the leaves of a Cordaites which, 

 I believe, are to be identified \Yitli the above named species. 

 They arc much larger than those already described from Yen-t;ii 

 and Pen-hsi-hu in the preceding pages. 



Fig. 1, pi. Vr. represents the apicid portion of a leaf, 

 which is 220 mm. long and 60 mm. in the broadest part. The 

 veins are all very fine and numerous, and parallel to the margins, 

 with finer interstial ones. The distance between any two veins 

 is not constant, but is about -i mm on the average, while the 

 number of interstial veins which are not always divStinct, is about 

 4 or 5. 



V. Ching-ching, Tung-kuan, Chih-li-Shêng.-* 



LEPIDODENDRON ? sp. 



PI. III. Fig. 2. 



The only specimen at hand is in tlie form of Knorria, and 

 indeed, of the so-called Khorrla Selloni, in which the elongated 

 protuberances are quite distant from one another. Our specimen 

 looks very much like that represented in fig. 2, pL X of Heer's 



