80 MICHIGAN SURVEY, 1905. 



mountain top, II. 5, III. 1 and 4. Also on the lower part of the talus slope, 

 III, and in burnings. 



70. Populus tremuloides Michx. American or Quaking Aspen. The 

 principal form of the forest bordering open localities; adjoins the beach of 

 Lake Superior, I, the clearing, II. 4, and the mountain top, II. 5, III. 1 and 

 4. Also conspicious on the lower part of the talus slopes, III, and in burnings, 

 VI. 



71. Salix spp. Willow. A number of willows occur in the alder and 

 cassandra zones along Carp river, IV. 2; in the beaver meadow on Little 

 Carp river, VII. 2, and in the aspen zone on the mountain top, II. 5. 



Myricaceae Dumort. Bayberry Family. 



72. Myrica cerifera L. Wax-myrtle. In the cassandra zone along Carp 

 river, IV. 2. 



Betulaceae Agardh. Birch Family. 



73. Ostrya virginiana (Mill.) Willd. Iron-wood. Occasional in the 

 hardwood forest, II. 2, IV. 3, VI. 



74. Corylus rostrata Ait. Beaked Hazel-nut. In the woods on the 

 lower part of the talus slopes, IV. 3; pushing out beyond the forest with 

 the birches and often extending well up the slope, III. 



75. Betula papyrifera Marsh. Paper or Canoe Birch. Throughout the 

 climax forest, II. 2, IV. 3, VI. Also a prominent form on the lower part 

 of the talus slopes, IV. 3. 



76. Betula lutea Michx. Yellow Birch. Occasional through the forest 

 II. 2, IV. 3, VI. More conspicious in the hemlock forests. 



77. Betula glandulosa Michx. Glandular or Scrub Birch. Common 

 about the margin of the beaver meadow, VII. 2; with Alnus incana and 

 several willows encroaching on the meadow. 



78. Alnus alnobetula (Ehrh.) K. Koch. Green or Mountain Alder. A 

 few shrubs occur in the aspen zone bordering the mountain top, III. 5. 



79. Alnus incana (L.) Willd. Speckled or Hoary Alder. Nearly always 

 present along streams, forming dense thickets. Along Carp river, IV. 2, 

 between the cassandra and coniferous zones on wide parts of the flood-plain, 

 and between the river and the -forest where the flood-plain is narrow. Where 

 a cassandra zone is present, there is nearly always a narrow strip of alders 

 along the natural levees, separating the cassandra zone from the river. Also 

 common about Carp Lake, V. 1; Little Carp Lake, VII. 1, and the beaver 

 meadow, VII. 2. 



Fagaceae Drude. Beech Family. 



80. Quercus rubra L. Red Oak. A prominent form in the aspen zone, 

 II. 5, III. 1, 4, bordering the mountain top. Also on the fine material at 

 the top of the talus slope and on the ledges on the cliff face, III. 



81. Quercus macrocarpa Michx. Burr Oak. In the aspen zone, II. 5, 

 bordering the mountain top. 



Nymphaeaceae DC. Water-lily Family. 



82. Nymphaea advena Soland. Large Yellow Pond Lily. Abundant 

 in Carp river, IV. 1, and near the margin of Carp Lake, V. 3. 



83. Castalia odorata (Dryand.) Woodv. and Wood. Sweet-scented White 



