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

那层壳是由颖片组成的——这是一种坚韧的壳，用来保护谷粒。

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.

开草，仔细观，您可能会追们闪亮的茎的枝，并注意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。