a 1893.) On the Development of the Caryopsis. 215 
_ of popular phrase, to point in the direction of the end of the 
spongy, club-shaped axis, the cob, fig. I. At this stage, the 
_ ovary is about 2.5™" long and at the point of greatest width, 
base, has a diameter of about 3"". It is raised on a thick 
_ pedicel about 2.5™" in height. Attached to the sides of this 
_ pedicel and wrapped up closely about the ovary so as to nearly 
cover it, are the glumes and palets in the form of more or less 
-— hunicle is, therefore, not Present. The ovule is very large 
and nearly fills the cavity of the ovary. Its form, like that 
. " ovary, is unsymmetric being so strongly curved as to 
“a eee campylotropous. At this stage, the integu- 
; tse the ovule are fully developed, fig. 5. The micropyle is 
ted on the side adjacent tothe flowering glume just above 
point of attachment. The outer integument is incom- 
ofthe ovule. It is present between the 
the ovule in the form of a short 
: ion. The inner inte t forms a 
Oo 7 : gument fo 
Plete covering except at the micropyle. 
this stage attains a greater 
me in its history, its average 
j b It is bounded lly b 
Tm ed externally by an 
barenchymn, pas Sed of cells containing large nuclei. The 
pr matics sd bulk of the wall consists of rounded 
4 
¢ - The cells of wy @bundant and large in the 
Of the ; ; 
hete.. satily more € inner two-thirds are large, rounded 
; 
i 
dines More ayers of 1 
t , sm ] . 
The ‘ransverse to the le : cells which are elongated ina 
’ simis rors 
ts of small, nearly cubical cells. 
