Theodore C. Frye

1869

• ... The Polytrichaceæ of western North America
• Elementary flora of the Northwest
• Ferns of the northwest
• Northwest flora
• The Polytrichacea of western North America
• A contribution to the life history of Apocynum androsaemifolium
• A key to the families of Washington plants
• A morphological study of certain asclepiadaceae ..
• Hepaticae of North America
• Illustrated key to the western Sphagnaceae
• Laboratory exercises in elementary botany
• Nereocystis Luetkeana