118 FLORA OF MOUNT DESERT. HELIANTHUS, L. SUNFLOWER. 292 H. annuus, L. COMMON SUNFLOWER. Waste places, Fernald Point; Bar Harbor (Rand); — Seal Harbor (Redfield). Escaped from cultivation. BIDENS, L. BUR-MARIGOLD. 293 B. frondosa, L. BEGGAR TICKS. DEVIL'S PITCHFORK. Low grounds, wet places, and damp roadsides; common, and spreading. HR 9R. 294 B. cernua, L. SMALLER BUR-MARIGOLD. Wet places; frequent. Sawyer Cove; Mill Cove; Norwood Cove; Valley Cove; northern foot of Beech Hill; Southwest Harbor, etc. (Rand); — Somesville (R. & R.); — Great Cran- berry Isle (Redfield). ANTHEMIS, L. CHAMOMILE. 295 A. Cotula, L. Maruta Cotula (L.), DC. MAYWEED. Common by roadsides and in waste places. Naturalized from Europe. ACHILLEA, L. YARROW. 296 A. Millefolium, L. COMMON YARROW. Dry soil; common in settlements, and often remote from dwellings. Naturalized from Europe, but also indigenous. 297 Forma rosea. Ray flowers rose to deep rose-red in color. Frequent. Northeast Harbor: Fernald Point road; southern foot of Western Mt.; Southwest Harbor, etc. (Rand); — Somesville (R. & R.). 298 A. Ptarmica, L. SNEEZEWORT. Doubtless an escape, although established for years by roadside spring, far from dwellings, Southwest Harbor (Rand). Adventive from Europe or farther north.