6. Crataegus Hill: This is a small hill-top on the Barber tract about three-fourths of a mile from camp. Cratuegus sp., iron wood (Ostrya virginiana (Mill) K. Koch), white ash (Proxinus americana L.), red raspberry (Rubes idaeus, L. var., aculeatis simus (C. A. Mey.) Regel. & Tiling.), aster (Aster macrophyllus L.), boneset (Eupatorium sp.) and sedges and grasses are the principal plants.
7. Big Floating Island (Figs. 6 and 7) : This station lies on the west side of Cranberry Lake near Joe Indian Island. Although stationary it is a typical floating island which has arisen through the massing of drift logs and other plant detritus resulting in a substratum which has enabled certain hardy plants to obtain a foot-hold. The vegetation represents a typical floating bog and consists of a heavy sphagnum matrix (8 to 10 inches deep of living sphagnum) surmounted by a dense thieket-like growth of Cas sandra or leather leaf (Chamaedaphne calyculata (L). Moeneh) and sweet gale (111yrica Gale L.) and a few clusters of speckled alder and an occasional larch.
8. Grasse River Bog (Fig. 8) : This is a large bog located near Silver Lake and traversed by the Grasse River Railroad con necting Cranberry Village and Conifer. This region is intercepted by several brooks and is covered by a dense vegetation which, how ever, is restricted to relatively few plants. Here and there one finds almost a pure association of Carex oligosperma Miehx. while clumps of Cassandra, speckled alder, labrador tea (Ledum groen landicum Oeder), pale laurel (Kalmia polifolia Wang.), Andro meda polifolia L., low sweet blueberry (Vaccinium pennsylvanicum Lain., var. angustifolium (Ait.) Gray, with some withe-rod (Vibur num cassinoides L.) and chokeberry (Pyres melanocarpa (Michx.), Wild., dot the surface.
9. New York State Ranger School Tract: This tract, located near Wanakena, N. Y., is controlled by the New York State College of Forestry. It includes an extensive burn, tote-roads, forests, bogs, swamps, and streams. Owing to the type of topography, over-run by high hills and depressions, it offers a wide range of habitats, plant associations and most excellent collecting. Con ditions on this tract and other favorable areas in the vicinity of Wanakena are somewhat comparable to Barber tract on Cran berry Lake.
10. Bean Pond (Fig. 9) : This is a small, open-water pond near the middle of an extreme type of Adirondack bog (Bray, 1. e. pp. 125-128) with many of the bog-plants wholly removed and the more bog-tolerant species, chiefly dwarf black spruce, tamarack and leather leaf, growing in a deep and compact matrix of sphagnum. Small black spruce shrubs or apparent seedlings
growing near the pond are practically as old as the larger ones or fairly large trees near the outer margins of the bog.
11. Climax Forest Type* (Fig. 10) : This station was located on state land in a tract of virgin forest near the Oswegatchie River opposite from the New York State Ranger School. The trees con sist of hardwoods dominated by conifers, especially white pine. Several specimens of the latter, about 125 feet tall and a D. B. H. of 42 to 49 inches, represent some of the most magnificent trees in the Adirondacks.
12. The Plains (Fig. 11) : These areas are a series of open ings near the Upper Oswegatchie River and are very typical of the so-called treeless plains of the Adirondacks. Bray quite fully discusses these treeless areas in "The Development of Vegetation of New York State " (1. c., pp. 144-147) and states, " Borings show from two to three feet of compact, fine sand evidently offer ing poor areation. Below, the deposit is darker, coarser and full of coarser grit. The water table is normally several feet below the surface, but the area has much the aspect of a wet lowlands, and during rainy seasons is in effect like an area of soaked soils. But, as in other sand areas, it is subject to drouth." As Bray has pointed out the plants of the "plains," as repre sented by complex associations of swamp, bog and typical members of barren vegetation, reflect the peculiar bioclimatic conditions of the region. These open heath barrens, margined by tamaracks which are slowly encroaching the open terrene, are gradually being broken up. They are also occasionally dotted with black spruce. The shrubs consist largely of mountain fly honeysuckle (Lonicera caerulea L.) blueberries (Vaccinium canadense Palm., and V. pennsylvanicum, var. angustifolium and V. vacillans Palm.), choke cherry (Prunus virginiana L.), Pyrus arbutifolia and P. melanocarpa (Michx.) Willd. Two wet-land grasses (Arena reyi Nash and Oryzopsis asperifolia Michx.), the abundance of creeping blackberry (Rubes hispidus L.) and two species of Spiranthes (growing among the wet-land grasses) tend to empha size the hydrophytic aspect of the plains. Extreme areas are covered with reindeer moss which reaches its optimum development during the autumn months. Here and there golden rods, asters and spiraea are found among the shrubs and have a conspicuous place in the flora of late summer.