160 FLORA OF MOUNT DESERT. CALLA, L. WATER ARUM. C. palustris, L. WILD CALLA LILY. [illegible]. Rare. Near Northeast Harbor (F. L. Temple); — The Heath, Great Cranberry Isle (Arnold Greene, Redfield). SYMPLOCARPUS, Salisb. SKUNK CABBAGE. S. foetidus (L.), Nutt. Swamps; rare. Cranberry Isles (H. C. Jones, Rand, Red- field); Sea Wall and vicinity (Rand). So far as at present [illegible]. known the distribution of this species is very peculiar. There seems to be no good reason why it should be confined to such a limited area. It may be noted that a slight elevation of the coast line would connect the Cranberry Isles, where it occurs most frequently, with Mt. Desert Island at the Sea Wall and vicinity, where it also occurs. ACORUS, L. SWEET FLAG. A. Calamus, L. Low grounds; rare. Near head of Doctors Creek; near [illegible], Otter Creek (Redfield); on the “Overflow Brook,” Somesville (R. & R.). ALISMACEÆ. WATER-PLANTAIN FAMILY. SAGITTARIA, L. ARROWHEAD. S. variabilis, Engelm. Common in shallow water or wet places. Very variable; the various so-called varieties or forms apparently passing into one another by intermediate forms. Forma hastata. [illegible]. Common. Forma obtusa. Somes Stream (W. H. Dunbar, R. & R.).