PLATE XXXVIII. 



GALLIPTBRIDIUM ilEMBRANACEUM Lx. 



(Page 120.) 



Fi(i. 1. Fragment from which the carbonaceous matter is largely removed. Its reference to this 

 species is tentative. U. S. Nat. Mus., 5810. 

 la. Enlarged detail of pinnule of same. x2. 



2. Slender pinna showing slightly variable pinnules. U. S. Nat. Mus., 5625. 



3. Fragment with large pinnules separate to the rachis. U. S. Nat. JIus., 5691. 

 3a. Enlarged detail of pinnules of the same. x2. 



i. One of the types of the siiecies. Original of fig. 5, pi. xxvii, ]>. 177, of the Coal Flora.' 



Lacoe collection. U. S. Nat. Mus., 3182, 



4a. Fiunule from the upper portion of the same enlarged to show the nervation. The margin;il 



gutter, slightly exaggerated in the drawing, is also present in the other specimens. x2. 



.5. Apical segment determined as this species by Professor Lesquereiix. Lacoe collection, V. S. 



Nat. Mus., 3187. 

 G. Apical fragment with young pinnte doubtfully referable to this species. It appears to 

 represent a peculiar form with very broad rachises and thin midribs. The example 

 ]ihotographed is the only one yet found. Collection of Dr. J. H. Britts, Clinton, Missouri. 

 6a. Enlarged pinnules from the same. x2. 



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