272 



BOX 



Flowers yellowish, in sessile axillary clusters, each 

 consisting of a terminal, central $ flower, surrounded 

 by about four to eight leaf-scales, some of which may 

 represent a perianth, the others bracts; beneath this 



Fig. 97. Box, Buxus sempervirens. 1, flowering shoot; 2, a male, 

 and 3, a female flower; 4, vertical section of latter ; 5, ripe fruit opening; 

 6, carpellary walls; 7, seed. All but 1 enlarged, p. 271 (Wo). 



are several flowers, each composed of four perianth - 

 scales and four superposed stamens, and in the axil of 

 one of the decussate leaves of the tuft. Pollen whitish, 

 globoid, opaque, densely beset with minute warts, about 

 37 p in diameter. 



(ii) Perianth double, forming a calyx, and a 

 corolla, i.e. dichlamydeous ; collected in 

 dense spherical heads (capitula) sessile 



