THE CENTRAL AMERICAN SPECIES OF QUERCUS 



147 





Miscellaneous Publication 477, U. S. Dept. of Agriculture 



PLATE 55 



Quercus humboldtii Bonpl. A teratological fruiting specimen with foliose cup 

 scales, each bearing in its axil a fully developed pistillate flower, from Colombia 

 (Bro. Thomas 766— US). 



