1893.] On the Development of the Caryopsis. 221 
a groove which marks the position of the fibro-vascular bundle 
and also shows in a general way the position and extent 
ofthe attachment of the ovule to the ovary. The broad 
upper part of the ovary is thickly beset with rather coarse 
hair-like trichomes. The ovule is strongly campylotropous, 
being attached along its side to the Ovary, Carrying the mi- 
cropyle at the lower end. ' 
The ovary wall is of irregular thickness, in general becom- 
ing thicker toward the top of the ovary. It consists of an 
outer epidermis, many layers of rounded parenchyma gener- 
ally looser in the deeper parts of the wall than near the outer 
eet of the characteristic thin walled parenchyma tissue 
song by a distinct epidermis. The integuments are in 
oa the Ovary wall, with the nucellus and with each 
ae arenchyma still intact. The inner epidermis 
Ppears either completely or in great part. 
Sa matter of course undergoes very early 
atte d resorbed to make room. These changes 
As the ek . Proceed with considerable rapidity. 
A evelops, the Processes of modification above 
Sentially and daa The chlorophyll cells elongate tan- 
°phyll g d Hee ot. the grain. The cells lose their 
“Nspicuously ap walls become strongly thickened and 
Of the inner integument, both layers 
