65 



genus with confidence, has been found by Mr. Terry Duce, and 

 is herewith recorded. 



Magnolia florissanticola n. sp. 

 Leaf apparently thick, shaped as in M. grandiflora ; apex 

 lacking, but length apparently about 130 mm. ; broadest about 

 42 mm., from base ; base broad-cuneate, slightly inequilateral, 



hiGURE I. Magnolia florissanticola : Miocene shales of Florissant. 



from a very stout (3 mm. diam.) twisted petiole, which is about 

 16 mm. long, arising from a clasping base ; width of blade about 

 50 mm., tapering apically, so that at 80 mm. from base the width 

 is 38 mm. ; margin entire ; venation as in M. grandifiora, the 

 strong lateral veins averaging about 5 mm. apart. Miocene shales 

 of Florissant. {Terry Duce.^ 



