88 BOTANICAL GAZETTE 
FiG. 59. Two-celled embryo of 2. multifidus. 
Fic. 60. The same of &. septentrionalis. 
Figs. 61-64. Two to three-celled embryos of 2. sepientrionals. 
Figs. 65. Three-celled embryo of &. septentrionalis. 
Fig. 66. Four-celled embryo of the same. 
Fic, 67. Four-celled embryo of 2. multifidus. 
Figs. 68-72. Various stages in young embryos of &. multifidus (fe: 
is from 2. septentrionalis), involving the first longitudinal division. — 
Fic. 73. Young embryo of 2. mu/tifidus, showing a late transver: 
sion of the basal cell. 
