90 
FOURTEENTH REPORT. 
Salix Candida Fliigge. Hoary Willow. 192. One of the dominant 
species in the Myrica bog association, but not abundant. 
Salix spp. 
Populus tremuloides Michx. Small-toothed Aspen. 14, 30. One of the 
most abundant species in the region, dominating in the aspen associa- 
and occurring in many of the other associations, especially on burnt 
land, and remaining as a relic to a very limited extent. 
Populus grandidentata Michx. Large-toothed Aspen. 13, 31. The same 
status as P. tremuloides but has a tendency to occur in drier ground. 
Populus balsamifera L. Balsam Popular. 134. Along the shores of 
Douglas Lake, not common. 
Populus deltoides Marsh. Cottonwood. Two or three trees near the 
ruins of a hotel on Colonial Point, Burt Lake. Also planted in Pellston. 
Myricaceae (Sweet Gale Family). 
Myrica gale L. Sweet Gale. 61, 141, 252. Dominating a bog associa- 
tion and remaining as a relic in willow thickets and cedar bogs. 
Myrica asplenifolia L. Sweet Fern. 53. Of local and limited occurrence 
in pine land. 
Betidaceae (Birch Family). 
Corylus americana Walt. Hazelnut. In the aspens. 
Corylus rostrata Ait. Beakt Hazelnut. Collected in previous seasons. 
Ostrya virginiana (Mill.) K. Koch. Ironwood. 444. Sparingly in beech- 
maple woods. 
Betula lenta L. Sweet Birch. 464. A few trees in the hardwoods in the 
gorge. 
Betula lutea Michx. f. Yellow Birch. 50, 107, 297, 378. Most abundant 
in the hardwoods and Picea- Abies, and readily invading other associa- 
tions. 
Betula pumila L. Low Birch. Found by Mr. Loew in 1910. 
Betula alba papyrifera (Marsh.) Spach. White Birch. 9, 28, 343. An 
abundant species in the aspens, but occurring also in several other 
associations. 
Alnus incana (L.) Moench. Speckled Alder. 72, 209, 253, 421. Quite 
common in bog thickets and along roads thru cedar bogs. 
Fcigaceae (Beech Family). 
Fagus grandifolia Ehrh. Beech. 12, 170, 313, 321. A dominant species 
in the beech-maple woods and occurring in a few other associations 
as seedlings and young trees. 
Quercus rubra L. Red Oak. 15. A few old trees occur in the beech- 
maple woods and seedlings, sprouts and young trees occur in a few 
other associations, especially the aspens. 
Urticoceae (Nettle Family). 
Ulmus fulva Michx. Slippery Elm. 227. In willow thickets. 
Ulmus americana L. American Elm. 474. A few old trees in the beech- 
maple woods along Burt Lake and seedlings in the aspen and in the 
thicket associations. 
Pilea pumila (L.) A. Gray. Clearweed. 455. In the beech-maple woods 
along Burt Lake. 
