Ao al ¢ } 
CONTRIBUTIONS TO AMERICAN BOTANY. IX. 
J. Revision or THE NortH American LILIACEZ. 
IJ. DescrieTIons OF somE New Species oF NortH AMERICAN 
PLANTS. 
By SERENO WATSON. 
From THE PROCEEDINGS OF THE AMERICAN ACADEMY OF ARTS AND SCIENCES, 
IWOr. XL Vie 
[Issuzp Jury, 1879.| 
