MONOECIA POLYANDRIA. Querciis. 281 



for several hours subsequent to the first opening of the sheath. See 



Sm. Intr. Sot. p. 70. 



Roots of the plant taken up after the leaves decay, continue acri- 

 monious for a long time. The root has been substituted for 

 soap. The berries acrimonious. 



POTKRIUM. Salad-Burnet. 



P. Sanguisorba. Common Salad B. Thorns none. 

 Stem somewhat angular. Stamens much longer than 

 the calyx. E. B. 860. C. 2. 64. Pimpinella hor- 



• tensis. G. E. 1045. 



Chalky hills. Sni. 



Per. Jujie. 



Stems upright, branched, leafy, smooth. Ls. winged with an odd 

 one ; Leaflets round, saw-toothed. Ft. in round heads, foot- 

 stalks long, upright, terminal. Stamen-bearing flowers below, 

 pistil-bearing flowers above: this unusual, ^'^om. hang out oi 

 the flower, like purple silk. Anth. yellow. Stig. purple, radi- 

 ated. Habit of Sanguisorba officinalis. 

 Taste of the leaves resembling cucumber ; used in salads. Has 



been cultivated for cattle : bears mowing three times during the 



summer : it does not answer. 



QUERCUS. Oak. 



Q. Rohur^ . Common British Oak. Leaves deciduous, 

 (falhng oflf,) inversely egg-shaped, oblong, broader 

 towards the extremity ; sinuses of their indentations 

 rather acute ; lobes rounded. Fruit-stalks lengthened 

 out. E. B. 1342. Q. vulgaris. G. E. 1339, 

 1340. 



Woods, hedges. 

 Tree. April. 



Ls. alternate, nearly stalkless, somewhat inversely egg-shaped, 

 deeply sinuated, lobes blunt. Fl. stamen-bearing ones in slen- 

 der, drooping, stalked, yellow clusters : pistil-bearing three or 

 four, their stalk long: Caly.v of these latter, entire, scaly, subse- 

 quently the cup of the acorn. 



Tree remarkable for its picturesque appearance, slowness of its 

 growth, bulk, and longevity. Thrives on a hiily soil of marl or 

 loam. Roots deep ; does nol bear much lopping. Wood hard, 

 tough, somewhat flexible : preferred for our glorious navy in ship- 

 building, as not easily splintering. Oak saw-dust used for d^^-ing 

 fustian, of a drab, or brown colour. The black obtained from the 



' Strength : classical name for the oak. 



