ClipArt ETC
"Lengthwise section of grain of corn. y, yellow, oily part of endosperm; w, white, starchy part of endosperm; p, plumule; s, the shield (cotyledon), in contact with the endosperm for absorption of food from it; r, the primary root." -Bergen, 1896

Corn Grain

"Lengthwise section of grain of corn. y, yellow, oily part of endosperm; w, white, starchy part of endosperm;…