Canine infectious respiratory disease complex is a highly contagious illness affecting the respiratory tract in dogs that is making media headlines lately. Several different types of bacteria and ...

According to the material of North American species of Polygala here examined, it would seem that some of the subsections of Orthopolygala proposed by Chodat are too heterogeneous to be considered ...

- eastern North American plant having a terminal cluster of small white flowers and medicinal roots ...

This media is in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's ...

Are you a member of an institution such as a university or hospital?Learn more about Institutional Access ...

Berne, Albany County, New York, August 25, 1817. Copying failed.