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the feathery grasses, the velvet moss upon the wet stones, the sea-green lichen on boulder or tree-trunk. There, in that corner of Echo Lake, grew the thickest patch of pipewort, with its small, round, grayish-white, mushroom-shaped tops on long, slender stems. If he had styled it Eriocaulon septangulare, would it have shown a closer knowledge of its habits than did his careful avoidance of its vicinity, his keeping line and flies at a safe distance, as he muttered to himself, "Them pesky butt'ns agin!" He knew by sight the bur-reed of mountain ponds, with its round, prickly balls strung like big beads on the stiff, erect stalks; the little water-lobelia, with tiny purple blossoms, springing from the waters of lake and pond. He knew, too, all the strange, beautiful under-water growth: bladderwort in long, feathery garlands, pellucid water-weed, quillwort in stiff little