Pl.cx.mon. 6. CORYLIDE^. 12. Quercus. 247 



1 . Quercus longcBva. JLonglived oak. 

 Leaves annual, nearly sessile, oblong, broader above, 



sinuses acute, angles blunt ; fruit oblong, peduncled. 



Quercus latifolja, Rail Syn. 440, 1 ; Park. 1385. 



Quercus vulgaris, Ger. em. 1339, 1. 



Quercus Rcbiir, Lin. S. P. 1414. 



Quercus Robur y, pedunculata, Martyn, Fl.Iiust. 10. 



Quercus pedunculata, WiLld Baum. 278. 



Quercus foemina, Fl. Dan. 1180. 



Quercus racemosa, Lamarck Encyc. Meth. 1,715. 



Quercus longaeva, Salisb. Prod. 392. 



Common oak. English oak. 



Woods and hedges ; arborescent; April. 



Tree formal; leaves above smooth, shining; beneath pale. 



2. Quercus sessillflora. Squat-flowered oak. 

 Leaves annual, petioled, oblong, smooth; sinuses acute, 



opposite; fruit oblong, sessile. 



Quercus latifolia mas, quae brevi pediculo est, Rail Syn. 440,2, 



Quercus Robur, Willd. Baum. 211. 



Quercus Robur y, 5e^%\\\s, Martyn Fl.Rust.W. 



Quercus sessillflora, Smith Fl. Brit. 1027. 



Bay oak. 



Woods; arborescent; April and May. 

 Leaves smooth, more equally and regularly lobed than 

 the former. 



3. Quercus pulescens. Downy oak. 



Leaves annual, petioled, oblong, obovate, sinuate, pu- 

 bescent beneath ; lobes obtuse, angular ; base rather heart- 

 shape, irregular ; f'uit nearly sessile. 



Quercus sessiflora ^, Smith Fl. Brit. 1027. 

 Quercus pubescens, IVilld. S. P. 4, 450. 

 Durmast oak, Martyn Fl. Rust. 12. 



Woods ; arborescent ; April and May. 



The wood of all the oaks is hard, tough, tolerably flexi- 

 ble, not easily splintering, and very durable ; sawdust used 

 to dye drabs and browns ; bark tans leather, is also astrin- 

 gent, and with a little copperas dyes woollen purplish blue ; 

 leaves eaten by cows, sheep, and goats; glans, called 

 acorn, i.e. oak-corn, fattens swine and deer; balls, called 

 oak-apples, produced by insects, dye with copperas a more 

 beautiful black than nut-galls, but less durable. 



