I formerly thought that it would be worth the while to get a specimen leaf from each changing tree, shrub, and herbaceous plant, when it had acquired its brightest characteristic color, in its transition from the green to the brown state, outline it, and copy its color exactly, with paint in a book, which should be entitled, “_October, or Autumnal Tints_”;—beginning with the earliest reddening,—Woodbine and the lake of radical leaves, and coming down through the Maples, Hickories, and Sumachs, and many beautifully freckled leaves less generally known, to the latest Oaks and Aspens. What a memento such a book would be! You would need only to turn over its leaves to take a ramble through the autumn woods whenever you pleased. Or if I could preserve the leaves themselves, unfaded, it would be better still. I have made but little progress toward such a book, but I have endeavored, instead, to describe all these bright tints in the order in which they present themselves. The following are some extracts from my notes. THE PURPLE GRASSES. By the twentieth of August, everywhere in woods and swamps, we are reminded of the fall, both by the richly spotted Sarsaparilla-leaves and Brakes, and the withering and blackened Skunk-Cabbage and Hellebore, and, by the river-side, the already blackening Pontederia. The Purple Grass (_Eragròstis pectinàcea_) is now in the height of its beauty. I remember still when I first noticed this grass particularly. Standing on a hillside near our river, I saw, thirty or forty rods off, a stripe of purple half a dozen rods long, under the edge of a wood, where the ground sloped toward a meadow. It was as high-colored and interesting, though not quite so bright, as the patches of Rhexia, being a darker purple, like a berry’s stain laid on close and thick. On going to and examining it, I found it to be a kind of grass in bloom, hardly a foot high, with but few green blades, and a fine spreading panicle of purple flowers, a shallow, purplish mist trembling around me. Close at hand it appeared but a dull purple, and made little impression on the eye; it was even difficult to detect; and if you plucked a single plant, you were surprised to find how thin it was, and how little color it had. But viewed at a distance in a favorable light, it was of a fine lively purple, flower-like, enriching the earth. Such puny causes combine to produce these decided effects. I was the more surprised and charmed because grass is commonly of a sober and humble color.