90 FLORA OF MOUNT DESERT. ANACARDIACEÆ. CASHEW FAMILY. RHUS, L. SUMACH. 97 R. typhina, L. STAGHORN SUMACH. Hillsides, etc.; frequent, but rather local. 98 R. Toxicodendron, L. POISON IVY. Thickets and low grounds; frequent, but local in its distribution. Common on cliffs and rocky banks by the seashore; — Pierce Head; Little Harbor; Hunters Beach; Roberts Point, etc. (R. & R.); — especially on the southern shore of the Island. It is also found in some abundance about Somesville and vicinity in low grounds and by roadsides. Poisonous to the touch. POLYGALACEÆ. MILKWORT FAMILY. POLYGALA, L. MILKWORT. 99 P. paucifolia, Willd. FRINGED POLYGALA. Infrequent and local. Reported by various collectors from different parts of the region south and east of Salisbury Cove. Also found southwest of Youngs District (Clara L. Walley, Greenleaf, Lane & Rand). 100 P. sanguinea, L. Infrequent. Fields, Bar Harbor; Southwest Harbor (Rand); — Long Pond meadows (Redfield); — “Mt. Desert” (R. H. Day). 101 P. verticillata, L. Rare. Fields, Norwood Road, Southwest Harbor (Rand, Anna H. Bee). LEGUMINOSÆ. PULSE FAMILY. TRIFOLIUM, L. CLOVER. TREFOL. 102 T. ARVENSE, L. RABBIT-FOOT CLOVER. Old fields, roadsides, etc.; common. Naturalized from Europe.