294 



REPORT OF THE 



MTEICACE^:. 



Bayberry, 

 Wax-Myrtle. 



Myrica cerifera, L. 



S. Mich. (Univ. Herb.) 



Comptonia asplenifolia, Ait. 



Alpena; Traverse City; Ottawa Co.; Oakland Co., (Miss Clark); S. Mich. 

 (Wright). 



BETULACE.E. 



Paper Birch, 

 Canoe Birch. 



Betula papyracea, Ait. 



Gravelly Pt.,L. Huron; False Presqu' Isle, L. Huron; Drnmmond'sl.; 

 Sugar I. ; Emmet Co. This is a very common tree throughout the 

 lake shores, growing in the most unfavorable situations, but seldom 

 forming a large trunk. It is apt to spring up as second growth 

 where the forest has been destroyed by fire. There is a variety (?) 

 known as " red birch" by the Indians and Half-Breeds, with pale 

 reddish bark much more brittle than the ordinary. 



yellow Birch. Betula excelsa, Ait. 



Cherry Birch, 

 Sweet or Black 

 Birch. 



Speckled or 

 Hoary Alder. 



Smooth Alder. 



Ann Arbor; Pt. aux Barques, L. Huron; Pt. au Chene, L. Mich. ; Emmet 

 Co. : Drummond's I. Less common that the preceding, but often 

 grows to a large tree. One specimen iu Antrim. Co. had a circum- 

 ference of 11 ft. 4 in. , four feet above the ground. 



Betula lenta, L. 



Drummond's I., only seen at this place, but attains a monstrous size , 

 one specimen measuring 10 feet in circumference. This is a valu- 

 able tree, and it is unfortunate that so little is found in the State. 



Betula pumila, L. (B. glandulosa — W.) 



S. E. (Wright). 



Alnus incana, Willd. 



Shores of L. Huron; Drummond's L, common; Sant St. Marie, and 

 along the banks of St. Mary's river, abundant. 



Alnus serrulata, Ait. 



Traverse City; S. Mich. (Wright). 



SALICACE^. 



Hoary Willow. g a ]j x ca ndida, Willd. 



Low Bush Wil- 

 low. 



Ann Arbor; Drummond's I.; north shore of Little L. George, very 

 abundant, growing in the shallow margin of the lake. 



Salix humilis, Marshall. 



Drummond's I. 



Glaucous Willow. g a ]j x cLi sco l or Muhl. 



Silky -headed 

 Willow. 



Silkv-Ieaved 

 Willow. 



Petioled Willow. 



Ann. Arbor; Drummond's I.; Pine Lake, Emmet Co., abundant along the 

 margin of the lake, occasionally reaching the size of a small tree. 

 One tree measured Q% inches in diameter a foot from the surface. 



Salix eriocephala, Michx. 



Ann Arbor; Drummond's I. 



Salix sericea, Marshall. 



Ann Arbor? Drummond's L 



Salix petiolaris, Smith. 



Saut St. Marie; S. E. (Univ. Hirb). 



