804 Wisconsin Academy of Sciences, Arts, and Letters. 
12. Aspidium cristatum, Swartz. Crested Shield Fern. 
Occasional; wet woods and shaded swamps. 
13. Aspidium spinulosum, Swartz. Spinulose Shield Fern. 
Occasional; low, swampy woods. 
14. Phegopteris polypodioides, Fee. Beech Fern. 
Extinct; a specimen in Dr. Davis’ herbarium labeled 
“Dr. Hoy’s garden, August 4, 1879.” Probably trans 
planted from Green’s Inlet, Kenosha Co., where it was 
once abundant. 
15. Phegopteris hexagonoptera, Fee. Broad Beech Fern. 
Bare; rich woods bordering Lake Michigan at Bishop 
Station, Bacine Co., the only station now known. Years 
ago it was abundant at Green’s Inlet with the preced¬ 
ing species. 
16. Phegopteris Dryopteris, Fee. Oak Fern. 
Extinct ; Dr. Davis’ herbarium contains a sheet la¬ 
beled “Green’s Inlet, Kenosha Co., Oct. ,15, 1878.” In 
its time quite as common as the two preceding at this 
station. 
17. Asplenium Filix-foemina, Bernh. Lady Fern. 
Occasional; woods and thickets. 
18. Adiantum pedatum, L. Maidenhair Fern. 
Frequent; rich woods. 
19. Pteris aquilina, L. Brake. 
Occasional; dry woods and thickets. 
20. Pellaea gracilis, Hook. Slender Cliff Brake. 
Extinct; sheet in Dr. Davis’ herbarium labeled “Ba- 
cine-Hoy”—no other data. 
21. Polypodium vulgare, L. Polypody. 
Extinct; in Dr. Davis’ herbarium from Horlicks- 
ville, Wis. where it grew years ago on the limestone 
cliffs. 
Equisetace.e. Horse-Tail Family. 
22. Equisetum arvense, L. The name Horse-tail is com¬ 
monly applied to all the species of this genus. 
Common; sandy soil, both moist and dry. Abundant 
along railroad tracks. 
