He wore them when handling a certain species of primula plant which was poisonous to some people.

他在处理某种对某些人有毒的报春花植物时戴上了它们。

Small streams come cascading down between them, their foaming margins brightened with gay primulas, gilias, and mimuluses.

小溪流从它们之间倾泻而下，它们的泡沫边缘因报春花、石莲花和含羞草而变得明亮。