MICHIGAN ACADEMY OF SCIENCE. 
183 
Subclass II. Monopetalae. 
Order XXVIII. Ericales. 
Family 01. Vacciniaceae. 
327. Monotropa uniflora, Lin. Indian Pipe. 
Hillsides. Frequent. 
Order XXIX. Primula les. 
Family G2. Anagallidaceae. 
328. Xummularia ciliata (Lin.) O. K. Loosestrife. 
Swamps. Common. 
329. Xummularia quadriflora (Sims.) Loosestrife. 
Lysimachia quadriflora Sims., Bot. Mag. T. 600, 1803. 
Marl bogs. Common. 
Order XXX. Gentianales. 
Family 63. Jasminaceae. 
330. Fraxinus Americana, Lin. White Ash. 
Low grounds. Frequent. 
The inner bark is a commercial drug and is employed as a 
stimulant to the vaso motor system. 
331. Fraxinus lanceolata, Borck. Green Ash. 
Low grounds. Scarce. 
332. Fraxinus nigra, Marsh. Black Ash. 
Low grounds. Frequent. 
The bark is a commercial drug and is employed as an astringent 
and tonic. 
333. Fraxinus Peunsvlvanica, Marsh. Beil Ash. 
Low; grounds. Frequent. 
Family G4. Gentianaceae. 
334. Gentiana crinita, Froel. Fringed Gentian. 
Swamps. Common. 
Family 65. Apocynaceae. 
335. Apocynum cannabinum, Lin., War. glaberrimum, D. C. Canadian 
Hemp. 
Open woods and thickets. Frequent. 
The rhizomes of this species constitute a commercial drug, which 
is official under the name of Apocynum. Emetic, cathartic, and 
diuretic. Used in dropsical affections, Bright’s Disease, etc. 
33G. Apocynum medium Greene. Dogbane. 
Dry, sandy grounds. Common. 
Family GG. Asclepiadaceae. 
337. Asclepias incarnata, Lin. Swamp Milkweed. 
Swamps. Common. 
The rhizome and root is a commercial drug under the name of 
White Indian Hemp, and is employed as an anthelmintic and 
alterative in rheumatism, syphilis, etc. 
338. Asclepias Syriaca, Lin. Silkweed. 
Low grounds. Frequent. 
The rhizome is a commercial drug and is employed as a tonic, 
alterative, expectorant, and diuretic in scrofula, asthma and bron- 
chial troubles, dropsies, and rheumatism. 
