The yardgrass (Eleusine indica) has similarly spread along roadside verges in western Africa and other tropical regions.

And I'll sing a song as rare Of the apple-tree! The red-bloomed apple-tree; The red-cheeked apple-tree;

We never saw her ladyship, but the attendants told us, that the Venetians of her apartments were not impenetrably opaque from within, and that the old lady had seen us, and was concerned for our welfare.

The sense of smell can be a subconscious influence on our actions.