Three new club-mosses from Panama

In a previous paper relating to a singular new fern (Polypodium podocarpum) from Panama, I have described very briefly the mountian (sp) region above David in the province of Chiriqui, and have referred in particular to a most interesting collecting trip of three days which I took from El Boquete over "Holcomb's trail" along the Rio Caldera to "Camp I" and to the summit of the Continental Divide a few miles farther on...(Document contains 9 pages

A Remarkable new fern from Panama

Toward the last of February, 1911, in the course of fieldwork connected with the Smithsonian Biological Survey of the Panama Canal Zone, I accompanied Mr. Henry Pittier from the Canal Zone, where our work had been carried on up to that time, to Chiriqui, the westernmost province of Panama, and spent nearly all of March in collecting plants--mainly ferns and lower cryptogams--in the mountains north of David, the principal city of the province...(Document contains 10 pages

Polyphlebium pyxidiferum

Pteridophyte

Some Recently Described Ferns from the South-West

Volume: 3Start Page: 109End Page: 11

Ferns of the District of Columbia

Volume: 9Start Page: 38End Page: 4

Notes on American Ferns: XIV

Volume: 9Start Page: 67End Page: 7

Coryphopteris simulata

Pteridophyte

Equisetum bogotense

Pteridophyte

Notes on the Birds of Madison County, New York, with Especial Reference to Embody\u27s Recent List

Volume: 20Start Page: 262End Page: 26

Notes on the Validity of Asplenium ebenoides as a Species

Volume: 30Start Page: 410End Page: 41