138 WOOD AND FOREST. 



41 



Red Oak. 

 Querciis rubra Linnaeus. 

 Quercus, the classical Latin name; rubra, refers to red color of wood 



Habitat. 



Leaf. 



Habitat: (See map) i 

 best in Massachusetts and 

 noi'tli of tlie Ohio river. 



Characteristics of the 

 Tree: Height, 70'-100', 

 even 150'; diameter, 3'-6'j 

 a tall, handsome tree, 

 branches rather low ; bark 

 brownish gra}', broad, thin 

 rounded ridges, rathei 

 smooth ; leaves, 7 to 9 tri- 

 angular pointed lobes, 

 with rounded sinuses ^ 

 acorns, characteristicall} 

 lai'gc, in flat shallow cups 



Appearance of Wood; 



Color, reddisli brown, sap 

 wood darker ; ring-por- 

 ous ; rings, marked by sev 

 eral rows of very large 

 open ducts : grain, crooked,, 

 coarse ; rays, few, but 

 broad, conspicuous. 



Physical Qualities : 



Heavy (23d in this list), 



