10(3 



MEMOIRS. OF THE NEW YORK BOTANICAL GARDEN 



[vol. 10 



Fig. 101. Abolboda americana, ehibryo from sagittal sections of embryo sac. Note basal 

 and hypobasal cell and haustorial ''flaps." Endosperm shows many nuclei (stippled) per cell, 

 starch grains (with shrunken hilum indicated), and protein storage globules (black). Micro- 

 pyle below. Fig. 102. Orectanthe sceptrum. Embryo, same view as that shown in figure 101. 

 Fig. 103. O. sceptrum, section of seed coat from longitudinal section of seed. Section repre- 

 sents a portion between the prominent wings on the seed, which are therefore not involved in 

 this section. Fig. 104: Abolboda macrostachya var. angustior, transection of capsule valve. 



