Harley Harris Bartlett

Coniferous woods of the Potomac formation

Notes on the organic acids of Pyrus coronaria, Rhus glabra, and Acer saccharum

Goethe as a biologist

Scheelea lundellii

Rupture of the expoderidium in Calostoma Ravenelii

The Batak lands of North Sumatra, from the standpoint of recent American botanical collections

Japanese botany during the period of wood-block printing

A method of procedure for field work in tropical American phytogeography based upon a botanical reconnaissance in parts of British Honduras and the Peten forest of Guatemala

Twelve elementary species of Onagra

Various Palmæ Corypheæ of Central America and Mexico

A demonstration of numerous distinct strains within the nominal species Pestalozzia Guepini Desm

Botanical evidence of coastal subsidence

Occurrence of quercetin in Emerson's brown-husked type of maize

Systematic studies on Oenothera

History of the Generic Concept of Botany