With respect to the second chief peculiarity, namely, the little mass of viscid matter attached to the end of the caudicle, a long series of gradations can be specified, each of plain service to the plant.

关于第二个主要特征， 即附着在茎端的少量粘性物质，可以指定一长串等级， 每个等级都对植物有明显的作用。