
Filicoidea. 105 
CELLULARES. 
Trier. Fricomwrx. Fern-like plants. 
CCLXIII. EQUISETACE£.—Tue norser-Tait TRIBE. 
The equisetums are slightly astringent and stimulating, 
diuretic and emenagogue. Lind. Nat. Syst. 308. 
1725. Equisetum hyemale, Linn. Scouring rush. June-July. 
lte2f. 4. ow. mh. rb. W. The infusion is said to 
be an efficacious remedy for strangury. 
1726. E. palustre, Linn. Marsh horse-tail. May-June. 12 
to 18 i. 2. mh. Swamps. Near Lake Sup. Houghton. 
Virginia. Bk. 
1727. E. sylvaticum, Linn. Wood horse-tail. May. 12 to 181. 
2¢. Low woods. Central O. 
1728. E. limosum, Linn. Swamp horse-tail. Naked horse-tail. 
July. 2to3f. 2%. Borders of swamps. mh. Lake Sup. 
Houghton. Hoffman’s prairie, Dayton, O. 
1729, E fluviatile, Linn. Great water horse-tail. Fertile 
stems I f. Sterile stems 2 to 5 f. 2. Shores of Lake 
Sup. Buffalo. Torr. 
1730. E. arvense, Linn. Corn horse-tail. April-May. Fertile 
stems 6to 8 i. Sterile stems 12 to 181. Fields, &c. W. 
1731. E. variegatum, Smith. Variegated horse-tail. July. 3 to 
6i. 2%. Woods on high grounds. Near Lake Mich. 
Houghton. ) 
CCLXIV. FILICES.—Tue rern Trips. 
The leaves of ferns generally contain a thick astringent 
mucilage, on which account they are considered pect- 
toral and lenitive. The stem is bitter and astringent, 
anthelmintic, emenagogue and purgative. Lind. Nat. 
Syst. 311. 
Poloypodium. Polypod. 
1732. Polypodium vulgare, Linn. July. 6 tol0 i. YX. 
Rocky woods. Ky. St. Mar. O. W. Bk. 
1733. P.incanum, Pursk. July-Aug. 2%. Frond 3 to 6. 
Parasitic on the inclined moss-clad trunks of living 
trees. Ky. St. On rocks and trunks of old trees. Ky. 
Tenn. Pursh. Fl. ii. 659, I once met with this fern 
in a damp forest near Monroe, O., where it had crept 
to the height of 10 or 12 feet upon a large sycamore. 
1734. yep tee Miche. July. 12tol8i. Y. sw. 
. Ky. | 

