522 SAx: FERTILIZATION IN FRITILLARIA PUDICA 
Fic. 23. Egg cell containing the fertilized egg in late spireme. 
Fic. 24. Equatorial plate stage in first division of fertilized egg. 
FIG. 25. ae crescent-shaped section of the equatorial plate stage of 
dividing fertilized egg cell. 
Fic. 26. Sea stage of embryo. 
PLATE 29 
Fic. 27. Male nucleus in contact with upper polar nucleus. 
Fic. 28. A slightly later stage than Fig. 27. 
Fic. 29. Male nucleus with both ends in contact with upper polar nucleus. 
Fic. 30. Male nucleus in contact with upper polar nucleus while on way, to 
lower polar nucleu 
ihde nucleus and upper polar nucleus almost touching the lower 
polar nucleus. 
Fic. 32. Two polar nuclei and coiled male nucleus in contact. 
Fic. 33. Triple fusion. Male nucleus rahe the polar auciel. 
Fic. 34. Later stage of triple fusion with male nucleus on the s 
Fics. 35, 36, 37. Endosperm nucleus gsiemens from the spo at fusion of 
male nucleus and polar nuclei. 
Fic. 38. Late spireme stage of endosperm nucleus. 
Fic. 39. Early anaphase of first division of endosperm nucleus. 
