60 BOTANICAL GAZETTE [yuLy 
Fic. 8.—Two embryo sacs in axillary order; the one next to the micropyle 
is the larger. 
Fic. 9 —Embryo sac of Nelumbo lutea, showing egg apparatus and endosperm 
nucleus. 
Fic. 1o.—Embryo sac of Nelumbo lutea, showing embryo, cross-wall, and 
disentegrating tube nucleus. 
Fic. 11.—Cells from the axial region of the ovule which may be the endosperm 
of unfertilized embryo sacs; from same section as fig. ro. 
Fic. 12—Embryo of Nymphaea advena. 
Fic. 13.—Embryo of Castalia odorata and sac with the undivided endosperm | 
nucleus; embryo without suspensor. 
Fic. 14.-—Embryo of Castalia odorata with suspensor. 
