This section is from the book "Handbook Of Hardy Trees, Shrubs, And Herbaceous Plants", by W. Botting Hemsley. Also available from Amazon: Handbook of hardy trees, shrubs, and herbaceous plants.
Very near the last genus in structure. Involucral bracts membranous at the margin. Receptacle pitted, naked. Fruit compressed, surmounted by a very short bristly pappus; hence the name, from short, and koum, hair. An Australasian genus of upwards of thirty species.
1. B. iberidifolia. Swan River Daisy. - An erect glabrous annual about a foot high. Leaves pinnate; segments linear. Flowers blue or white with a dark centre, about an inch in diameter. A very pretty plant.