MICHIGAN ACADEMY OF SCIENCE. 
163 
China arnndinacea. 
Arundo Phragmites. 
Panicularia septentrionalis. 
Juncus bracliycephalus. 
Juncus nodosus. 
Penthormn sedoides. 
Mimulus ringens. 
Rudbeckia laciniata. 
September 2nd. 
Mentha piperita. 
THE AQUATIC SERIES. 
The current of the stream is so strong that there is little vegetation 
represented, but one plant was observed, the Elodea Canadensis. In a 
stagnant pool, not connected with the river, another plant, the Spirodela 
polyrhiza, was also found. 
The following catalogue constitutes as complete a list of the plants 
of Parkedale Farm as I have been able to gather. The farm consists 
of about 330 acres of very rolling upland pasture with here and there 
a small swamp area and some flood plain region. 
Division I. Cryptogamae. Spore-bearing or Flowerless plants. 
Order I. Filicales. 
Family 1. Opliioglossaceae. 
1. Botrychium Yirginianum (Lin.) Swz. Grape-Fern. 
Rich Woods. Scarce. 
Family 2. Osmundaceae. 
2. Osmunda cinnamomea Lin. Cinnamon Fern. 
Swamps. Scarce. 
Family 3. Polypodiaceae. 
3. Onoclea sensibilis. Lin. Sensitive Fern. 
Swamps. Scarce. 
4. Filix spinulosa (O. F. Muller). Shield Fern. 
Polypodium spinvlosum, O. F. Muller. Flora Fridriclisdalina 
136, 1767. 
In rich woods. Frequent. 
5. Filix Thelypteris (Lin.) Farwell. Marsh Fern. 
Swampy grounds. Common. 
6. Athyrium Filix-femina (Inn.) Roth. Female Fern. 
Rich woods. Common. 
7. Athyrium Filix-femina (Lin.) Roth., Yar. angustum (Willd.) 
Farwell. 
Borders of woods. Scarce. 
8. Adiantum pedatum, Lin. Maiden-hair Fem. 
Rich woods. Scarce. 
9. Pteris aquilina, Lin. Common brake. 
Borders of woods. Frequent. 
10. Phegopteris hexagonoptera (Mx.) Fee. Beech Fern. 
Rich woods. Frequent. 
Order II. Equisetales. 
Family 4. Equisetaeeae. 
