1-4 of 4 Books
Revisione monografica del genere Apocynum Linn
Revisione monografica del genere Apocynum Linn
By Augusto Béguinot
Apocynum cannabinum
Apocynum cannabinum
By Thomas Smith Gregory Dabney
The Missouri dogbanes
The Missouri dogbanes
By William Trelease

The action of an active principle from apocynum
By Henry Hallett Dale