MICHIGAN ACADEMY OF SCIENCE. 
95 
Geraniaceae (Geranium Family). 
Geranium robertianum L. Herb Robert. 414. In beech-maple woods, 
rare. 
Polygalaceae (Milkwort Family). 
Polygala paucifolia Willd. Fringed Polygala. Found by Mr. Loew in 
1910 and by Mr. Quick in 1911. 
Euphorbiaceae (Spurge Family). 
Euphorbia cyparissias L. Cypress Spurge. 445. Along a road thru a 
beech-maple woods. 
Euphorbia maculata L. Milk Purslane. Found by Mr. Loew in 1910. 
Anacardiaceae (Cashew Family). 
Rhus typhina L. Staghorn Sumac. 6. In the aspens. 
Rhus glabra L. Smooth Sumac. 275. A dominant shrub in the aspens. 
Many of the plants are inclined to be somewhat pubescent but never 
so much so as in Rhus typhina. 
Rhus toxicodendron L. Poison Ivy. 346. On willow ridges, in the 
aspens, and occasionally in the beech-maple woods. 
Aquifoliaceae (Holly Family). 
Ilex verticillata (L.) A. Gray. 51. In cedar and Chamaedaphne bogs. 
Nemopanthus mucronata (L.) Trel. Mountain Holly. 35, 390, 403. 
Occurring mostly in bogs, but also in the aspens and in beech-maple 
woods. 
Celcistraceae (Staff Tree Family). 
Celastrus scandens L. Climbing Bitter-sweet. 204. In beech-maple woods. 
Aceraceae (Maple Family). 
Acer pennsylvanicum L. Striped Maple. 57, 131. Occurring on the 
borders of cedar bogs and beech-maple woods. 
Acer spicatum Lam. Mountain Maple. Most abundant in the Picea- 
Abies association but common in cedar and tamarack bogs and to 
a less extent in beech-maple woods. 
Acer saccharum Marsh. Sugar Maple. 132, 178, 318, 320, 399. A 
dominant species in the beech-maple woods and occurring as invader 
in several other associations. One of the most abundant trees of 
the region. 
Acer rub rum L. Red Maple. 4, 17, 186. A common species growing 
in most of the boggy ground associations, but also in the aspens and 
the beech-maple woods. Sometimes specimens (218) are . very close 
to Acer saccharinum L., a more southern tree, but absence of fruit 
prevented certain identification. 
Balsaminaceae (Touch-me-not Family). 
Impatiens pallida Nutt. Pale Touch-me-not. 467. In small bottomland 
formed along the course of a streamlet in a beech-maple woods along 
Burt Lake. 
