What do you mean? are we supposed to have read that book or is that something else?
The two subjects of the sentence are Colonel Lloyd and his "finely cultivated garden".
an artistic and poetic movement or style using symbolic images and indirect suggestion to express mystical ideas, emotions, and states of mind. It originated in late 19th century France and Belgium, with important figures including Mallarmé, Maeterlinck, Verlaine, Rimbaud, and Redon.
It will illustrate disrespect and may discourage the speaker/presenter.