352 Class XXI. Order VIII. 



QUEKCUS MONTANA. Willd. Rock Ckesnut Oak. 



Leaves obovate, acute with large, nearly equal teeth ; 

 cup turbinate, rough, acorn oblong. 



Syn. QUERCUS PRINUS MONTICOLA. MX. 



This species has more entire leaves than the others here de- 

 scribed, being not sinuate, but edged with large, numerous, 

 roundish teeth. Its wood resembles that of the White oak in 

 strength, and its bark is in much request for tanning. On rocky 

 hills in Hampshire county. Not observed in the immediate 

 vicinity of Boston. 



QUERCUS ILICIFOLTA. Willd. Shrub Oak or Scrub Oak. 



Leaves on long petioles, with five acute lobes, entire 



at the margin, ash coloured on the underside ; cup 



somewhat top shaped ; acorn roundish. Midi. f. sub. syn. 



Syn. QUERCUS BANISTERI. Mich et f. 



The leaves of the shrub oak are small, commonly divided into 

 five, and sometimes three acute lobes, terminated by a bristle. 

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

 side when young. The acorns are small, short, dark coloured 

 and striated. 



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

 commonly considered an indication of a sterile soil. On account 

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



412. JUGLANS. 



JUGLANS ClNEREA. Bllttemut, OiltlUt. 



Bigelow, Medical Botany, Fl. xxxii. 



Leafets numerous, oblong lanceolate, rounded at 

 base, downy underneath, serrate. Fruit oblong-ovate 

 with a terminal projection, viscid and hairy ; nut ob- 

 long, acuminate, with a rough, indented and ragged 

 surface. 



The leaves of the Butternut, when fully grown, are very long, 

 consisting of fifteen or seventeen leafets, each of which is two 

 or three inches in length, rounded at base, acuminate, finely ser- 

 rate and downy. The flowers appear in May, before the leaves 



