452 
DEMETRIUS ION ANDRONESCU 
Fig. 3. Z. indentata, Whit^ Dent variety. Embryos after 8 hours' germination; 
free-hand median longitudinal section, cleared in chloral hydrate. Note the scutella 
and the embryos with plumule, mesocotyl, and hypocotyl or radicle. Note also the origin 
of dermatogen, periblem, and plerome in roots, and the first endogenous adventitious roots. 
X 2>^. 
Fig, 4. Z. indentata, Yellow Dent variety. Plants developed from whole kernel 
(left), and from embryo with the endosperm removed (right), after seven days' germination. 
4/10 natural size. 
Fig. 5. Z. indentata, White Dent variety. Mature plants developed from kernel 
(left), and from embryo with the endosperm removed (right). 
Fig. 6. Z. indentata, White Dent variety. Ears produced by plant developed from 
whole kernel (left), and by plants developed from an embryo with the endosperm removed 
(right). }4 natural size. 
