

*>; 







3 



... 



.:■;• 







/; 





*L 



91 '-" 





r/ 



Fni. 30. — Lllhim philathlpliicum. K, mitotic figure of the reduction division showing 

 ili.- short, thick chromosomes characteristic of this stage ; /', hinucleate embryo- 

 Btic; C. four-nucleate embryo-sac : ///'double fertilization ": in the egg the darker 

 nucleus is the male and the lighter one tho female; just beyond the egg tbn 

 nuclei are fusing ; the antipodal polar nucleus forms about one-half of the eoniple 



while the micropylnr polar nucleus and the male i leus form the other half, tl 



male nucleus being on the rigid and touching both polar nuclei. E-G \ 466; 

 // x 520.— Negatives by W. .1. G. Land. 



