QUERNALS. 351 
(Fig. 383). Each flower presents a calyx with six or eight free 
unequal divisions, the margin being bordered by long slender pro- 
Fig. 383.—Male Catkin of the Oak. 
cesses, and an equal number of opposed stamens, with bilocular 
anthers, which open from without by two longitudinal clefts. The 
Fig. 384.—Female Flowers of the Oak. Fig. 385,—Fruit of the Oak. 
= flower (Fig. 384) is composed of an inferior ovarium, 
wmounted by a perianth having three or six divisions, and with 
