SEX AXD 



instance, if we wish to produce a cross or hybrid plant 

 between the common White Lily (lilium candidum), 



Fig. 44. LILIUM CANDIDUM. 



figure 44, and some other species or variety, we w_atcji 

 f of^ _the jo^eningof Jhe flowers and exgansipn_of the 



petals, A ; then we cut oft^ the anthers, B, to prevent 



