Class XXI. Order VIII. 



QUERCUS ILIOIFOLIA. Wilhl. Shrub oak or Scrub oak. 



Leaves on long petioles, with five acute lobes, 

 entire at the margin, ash coloured on the under- 

 side ; cup somewhat top shaped ; acorn roundish, 



Midi. f. sub syn. 



Syn. QUERCUS BAKISERI. Mich, et f. 



The leaves of the shrub oak are small, commonly divided 

 into five, and sometimes three acute lobes terminated by a bris- 

 tle. They are of a pale colour underneath, and downy on the 

 same side when young. The acorns are small, short, dark col= 

 cured and striated. 



The shrub oak grows on dry hills and barren plains, and is 

 commonly considered an indication of a sterile soil. On ac- 

 count of its small size, it is rarely appropriated to any important 

 use, 



264. JUGLANS. 

 JUGLANS ALBA. Willd. White walnut. Common hickory. 



Lr l s seven, oblong-lanceolate, acuminate, 

 serrate, pubescent and rough underneath, the odd 

 one sessile ; fruit somewhat four angled, smooth, 

 Willd, 



Sijn. JUGLANS foMENfosJ. Mich, et f. 



The trunk of this walnut, in young- trees, is covered with a, 

 smooth bark, in old trees the bark becomes cracked, rugged, 

 and thick, but never scaly. The buds in winter are large, hard, 

 and of a greyish white. The leaves are pinnate, with seven or 

 nine large Icafets, which are serrate and acuminate, nearly ses= 

 sile, their under side and common stalk hairy. The barren 

 flowers are in long, pendulous, downy aments, connected three 

 together j the fertile ones at the ends of the young shoots. The 

 nut is hard, thick shelled, commonly with four prominent an- 



