MICHIGAN ACADEMY OF SCIENCE. 
Habenaria dilatata (Pursh) Gray. Tall White Beg Orchis. In wet 
shaded ground on west side. 
Habenaria obtusata (Pursh) Richards. Small Northern Bog Orchis. In 
rich shaded ground on the west side. 
Habenaria hookeri Ton*. Hooker’s Orchis. In rich shaded ground on 
the west side. 
Habenaria orbiculata (Pursh) Tori*. Large Round-leaved Orchis. In 
rich shaded ground on the east side. Apparently rare, only one speci- 
men being noticed. 
Habenaria lacera (Michx.) R. Br. Ragged Orchis. In open woods on 
the east side. Apparently rare. 
Epipactis tesselata (Lodd.) A. A. Eaton. Checkered Rattlesnake Plan- 
tain. In rich shaded ground on the west side. 
Epipactis decipiens (Hook.) Ames. Menzies’ Rattlesnake Plantain. 
Frequent in rich woods especially on the west side. 
Listera convallarioides (Sw.) Ton*. Broad-lipped Twayblade. In rich 
moist woods on the west side. 
Corallorrhiza trifida Cliatelain. Early Coral Root. Common in open 
woods. 
Corallorrhiza maculata Raf. Large Coral Root. Common in open woods. 
Corallorrhiza striata Lindl. Striped Coral Root. Frequent in rich 
shaded ground. 
Liparis loeselii (L.) Richard. Loesel’s Twayblade. In damp sand on or 
not far from sandy beach. 
Calypso bulbosa (L.) Oakes. Calypso. Reported by W. I). Whitney. 
Not noticed in 1912. 
S A LI CACE AE W I LLO W FA M IL Y. 
Salix amygdaloides Anders. Peach-leaved willow. Noticed by Frank A. 
Kengay, superintendent of park. Not common. 
Salix lucida Muhl. Shining Willow. Frequent in wet open ground. 
Salix glaucophylla Bebb. Broad-leaved Willow. On and near the 
sandy beach. 
Salix syrticola Fernald, Furry Willow. Occasional near the sandy 
beach. 
Salix discolor Muhl. Glaucous Willow. Frequent along edge of rocky 
bluffs. 
Salix rostrata Richards. Bebb's Willow. Occasional on dryish open 
ground at north end. 
Salix Candida Fliigge. Sage Willow. About and in wet places on the 
east side. 
Populus tremuloides Michx. American Aspen. Occasional but no- 
where abundant. 
Populus grandidentata Michx. Large-toothed Aspen. Frequent through- 
out the island. 
Populus balsamifera L. Balsam Poplar. Common especially on' edge 
of woods near shore. A few large trees noticed. 
MYRICACEAE SWEET GALE FAMILY. 
Myrica gale L. Sweet Gale. Abundant in spots on east side of island 
about and in wet places. 
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