He considers the centre of the hilum as the base, and the chalaza, where it exists, as the natural apex of the seed.
"Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]" by Phillip Parker King
CHALAZA, one of the two filaments attached to the ends of the yoke of an egg to steady it in the albumen.
"The Nuttall Encyclopaedia" by Edited by Rev. James Wood
Seeds larger than AEstivalis, pear-shaped; chalaza roundish.
"Manual of American Grape-Growing" by U. P. Hedrick
CHALAZA, the place where the coats and the kernel of the ovule blend.
"The Elements of Botany" by Asa Gray
Here it is inclosed in a membranous covering, called the chalazae, and receives a coating of thick albumen.
"Our Domestic Birds" by John H. Robinson
Look for the chalaza.
"A Guide for the Study of Animals" by Worrallo Whitney
It has been already stated that the radicle of the embryo is directed to the micropyle, and the cotyledons to the chalaza.
"Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3" by Various