MICHIGAN ACADEMY OF SCIENCE. 
231 
EUPIIORBIACEAE — SPURGE FAMILY. 
Euphorbia hirsuta (Ton*.) Wiegand. Hairy Spurge. O. A. Farwell in 
Michigan Flora. 
Euphorbia helioscopia L. Wartweed. Plentiful in one spot on the bluff 
above the village. 
ANACARDIACEAE CASHEW FAMILY. 
Rhus typhina L. Staghorn Sumach. Common throughout the island. 
Rhus toxicodendron L. Poison Ivy. Abundant throughout the island. 
CELASTRACEAE STAFF TREE FAMILY. 
Celastrus scandens L. Bittersweet. Common in woods and thickets. 
ACER ACEAE MAPLE FA MILY. 
Acer pennsylvanicum L. Striped Maple. In rich ground with other- 
trees, especially on the west side. 
Acer spicatum Lam. Mountain Maple. Abundant in rich ground with 
other trees. 
Acer saccharum Marsh. Sugar Maple. Abundant on the highest part 
of the island with red oak, beech and vellow birch. 
B A LSA M I N A CE A E TOUCH-ME-NOT FAMILY. 
Impatiens biflora Walt. Spotted Touch-me-not. Abundant in shaded 
moist places and often in open damp ground. 
VITACEAE- — VINE FAMILY. 
Psedera vitacea (Knerr) Greene. American Woodbine. Common in 
woods and thickets. 
T I LI A c E A E L INDEN FA ]\ 1 1 LY. 
Tilia americana L. Basswood. Occasional in rich ground with other 
trees. 
MALVACEAE MALLO W FAMILY. 
Malva rotundifolia L. Common Mallow. As a weed about the village. 
c 
PI YPERIC ACEAE ST. JOIIN’s-WORT FAMILY. 
Hypericum perforatum L. Common St. John'swort. About the village 
and in open ground. 
Hypericum kalmianum L. Kalin's St. John’swort. In meadow-like 
ground on 1 he east side. 
VIOLACEAE VIOLET FAMILY. 
Viola nephrophylla Greene. Small Mottled Blue Violet. In a wet 
marshy place at the north end. 
Viola renifolia brainerdii Fern aid. Brai nerd’s Violet. Plentiful in 
rich shaded ground on the west side. 
