younger branches angular, and clothed with fine silky down, as are likewise the flower-stalks, corollæ, and backs of the leaves. The leaves are for the most part ternate, covering the branches without any order, nearly sessile, the uppermost, or those which grow on the weaker branches, being simple. Their form is mostly elliptical, sometimes linear, always tipped with a minute very sharp point, entire, revolute, three-nerved, and veiny, the lateral nerves running in a very peculiar manner very near the margin and along the sharp edge made by its being turned in; upper surface bright green, smooth, and naked. Stipulæ none. Spikes terminal, solitary, short and dense, recurved, simple. Flowers on shortish, alternate, solitary, simple footstalks, all directed upwards, without bracteæ or involucra. Corolla rose-coloured, silky without, clothed partly with very dense erect hairs within, and split about half way down into four segments. Antheræ small, yellowish, sessile in the hollow tips of the corolla, as in other species of this genus. Germen oval, green; style smooth, red; stigma hemisphærical, smooth. Follicle oval, black, tuberculated, destitute of hair or down, brown within. Seeds two, flattish, attached by a very short wing to the upper end of the follicle.
There are three very remarkable varieties of this species, viz.
α minor. This is its most frequent appearance, and is what we have principally represented in the figure.