36 Bigelow on the Medical Botany of Ohio. [Nov. 



Order LXVI.— FILICES. [Fern Family.] 



' Sp. 190. POLYPODIUM INCANDM. Willd. 



Com. names — Polypody, Rock Brake. Fronds, oblong 2' — 

 5' high. — July. 



Pectoral, demulcent, purgative and vermifuge. Equivalent 

 of P. Vulgar e. 



Sp. 191. Pteris aqtjilina. Linnaeus. 



Com. names — Common Brake, Eagle Fern, Bracken. Frond 

 ternate at the summit of an erect, stout stalk, 1° — 2° high. 

 Whole frond, 2° — 3° wide. 



I have frequently used this plant as a substitute for the 

 German male fern. In one case where the patient believed she 

 was subject to tape worm; and was troubled at the same time 

 with a chronic cough, the Pteris acted like a charm in removing 

 the cough after a great variety of other means had been unavail- 

 ingly resorted to. I have often since, prescribed it with good re- 

 sults, where there was no evidence of inflammatory action. 

 It is preferable to the foreign Filix Mas, which frequently comes 

 to us in a much deteriorated state. The subterranean root 

 stalk, which very much resembles the roots of Sarsaparilla in 

 appearance, is the part I use. 



Sp. 192. AsPLENIUM FELIX-FCEMINA. R. Br. 



Com. names — Spleen Wort, Female Fern. Fronds 2-pira- 

 nate, 1° — 3° high, smooth. — July. 



Sp. 193. A. Thelypteroides. Michx. 



Com. name — Showy Spleen-wort. Fronds, pinnate ; pin- 

 nae, deeply pinnatifid, I5 — 3° high. A handsome, smooth 

 fern. — July. 



Sp. 194. Dryopteris thelypteris. Gray. Syn. Aspidium. Swartz. 

 Polypodium Thelypteris. Linn. 



Com. name — Winged Wood Fern. Frond, pinnate, pinnati- 

 fid ; stalk 1° or more high. Slightly downy. — Aug. 



Sp. 195. D. Noveboracensis. Gray. Syn. Polypodium JVbveboracense. 

 Linn. Aspidum Thelypteroides. Swartz. 



Com. name — Northern Wood Fern. Frond, pale-green, 

 delicate membranous ; swamps. — July. 



Sp. 196. D. Goldiana. Gray. Syn. Aspidium Goldicmum. Hook 



Com. name — Goldie's Wood Fern. Frond, 2° — 3° Ions:, 

 broadly ovate, pinnately parted ; pinnales about 20 pairs. — 

 A showy fern. — Sept. 



