That hull is made from glumes -- tough chaff that protects the grains.

那个船体是由颖片——保护谷物的坚韧谷壳——制成的。

Parting the grasses and looking more closely you may trace the branching of their shining stems, and note the marvelous beauty of their mist of flowers, the glumes and pales exquisitely penciled, the yellow dangling stamens, and feathery pistils.

分开草，仔，您能到它们闪亮的茎的分枝，并注意到它们的花雾的奇妙美丽，用铅笔精心绘制的颖片和苍白，黄色悬垂的雄蕊和羽毛状的雌蕊。