54 



TREES AND HII.'i BS 



The Black Oak ( Quercus emoryi) of the same region is 

 also a very beautiful tree, it deservies its name, since the bark 

 is black and thick. The leaves are leathery and tough, pale yel- 

 lowish-green, about the same color on both surfaces, more or 

 less hairy, with yellowish-brown hairs along the veins, oblong, 

 flat, not crispate, coarsely spiny toothed. The acorns are 

 small and acute, with a shallow cup having pale yellowish- 

 brown scales not thickened on the back. They are produced 

 early in the season and arc much appreciated by the animals of 

 the region. 



I.tvi: Oak. (Q 



The Live Oak (Quercus arisonica, 0. grisca, and Q. 

 oblongifolia.) (the last of which is known only from the ex- 

 treme southwestern corner of the State) are low spreading 

 trees, with comparatively -mall lei - extremely variable 



