THE CENTRAL AMERICAN SPECIES OF QUERCUS 149 



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



PLATE 57 



Quercus humboldtii Bonpl. A tomentose variant characteristic of the form known 

 as Q. tolimensis Humb. and Bonpl., from Colombia (Perez and Cuatrecasas 



8100— US). 



