XLIl] 



PSYGMOPHYLLTTM 



83 



of the sheathing nature -of the leaf-bases described, by Arber, but 

 it was on this example that I noticed the anastomosing of the 

 veins (fig. 666, A — C), a character not hitherto recorded in the 

 genus'^. The lamina is torn and it is difficult to determine the 

 degree of original lobing. Dr Arber believes that such specimens 

 as that reproduced in fig. 666 are portions of a herbaceous plant 



Fig. 666. Psygmophyllum fiahellatum. A — C, anastomosing veins. 

 (From a specimen in the Sunderland Museum; \ nat. size.) M. S. 



and quite distinct from Ginkgo. While agreeing with the latter 

 statement I do not regard the shoot-nature as definitely de- 

 monstrated, though that is the interpretation usually accepted 

 and not improbably correct. The habit appears to be identical 



1 A good specimen in the Manchester Museum also shows anastomosing veins. 



6—2 



