XL VI] 



BRACHYPHYLLUM 



319 



species as B. mamillare or B. crassum: the apical portion of the 

 lamina is free and may be slightly falcate. In a few cases globular 



Fio. 756. . Brachyphyllum expansuml. (The original of Feistmantel's Pachyphyllum 

 heterophyllum, Calcutta Museum, Geol. Surv. India; nat. size.) 



cones occur on the foliage-shoots characterised by spirally disposed 

 scales: in a specimen from the Stonesfield slate described in 1904 



