The furrows between his eyes deepened as his brows drew down further.
The bark, of nearly the same tint as that of the redwood, is extremely thick and is channelled towards the base with vertical furrows; at the root the ridges often stand out in buttress-like projections.
The chlorophyll-containing tissue reaches the surface at the sides and base of the furrows, I.
Share, turns two furrows, and is drawn by five horses.
In some species certain of the legs bear on their ventral sides furrows with tumid lips and lined by smooth non-tuberculate epithelium; they are called coxal organs, and it appears that they can be everted.