CATALOGUE OF PLANTS. 111 with scarious margins and acute or acuminate tips; achenes pubescent or nearly smooth. Bull. Torr. Bot. Club, xx. 208. Abundant; dry fields, roadsides, and among rocks, especially in the southern part of the Island. Also found on the moun- tains, distinct, or imperceptibly passing into the next variety. Frenchman Camp; Seal Harbor (R. & R.);—Sea wall, Long Pond; Northeast Harbor; Southwest Harbor; The Cliffs, Seal Harbor; Hunters Beach Head; Long Pond meadows; Sargent Mt.; Dog Mt.; Pemetic Mt.; Western Mt.; Great Cranberry Isle, etc. (Rand). 243 Var. monticola, Porter. S. puberula, Nutt., var. monticola, Porter, Bull. Torr. Bot. Club, xix. 129. Stems 3'-12' high, often slender; inflorescence a short, com- pact, or sometimes loose thyrsse, 2'-4' long; heads 1½"-3" long; scales of the involucre variable, ovate and bluntish or oblong and obtuse, inner ones not elongated. Bull. Torr. Bot. Club, xx. 209. Common on mountain summits, and occasionally at lower altitudes, even at the sea level. Sargent Mt.; Pemetic Mt.; Jordan Mt.; Western Mt.; Dog Mt.; Hunters Beach Head; Seal Harbor; Great Cranberry Isle (Rand). 244 Var. Redfieldii, Porter. Very glutinous; stems stout and rigid, 16'-18' high; leaves thickish or coriaceous; branches of the panicle starting from half-way down the stem or even from the base, strict, erect, bearing short clusters of heads in the upper bracts; heads small, 2"-3" long; scales of the involucre short, more or less scarious. Its inflorescence is strikingly like that of S. juncea, Ait., var. ramosa, Porter & Britt. Bull. Torr. Bot. Club, xx. 209. Rare. Seal Harbor, etc. (Redfield);—foot of Western Mt.; Great Cranberry Isle (Rand). 245 S. sempervirens, L. SEA GOLDEN ROD. m X Frequent on sea cliffs; common in salt or brackish marshes, C. RduX, and on muddy beaches. S. K. freg(m). Bc. # 246 S. puberula, Nutt. Dry, open ground, and by waysides; common;—less frequent B.K. in woods. Very variable in form of inflorescence, etc. A form