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A CENTURY OF AMERICAN WEEDS. 
RRR [Sample Label.] 
HALSTED’S AMERICAN WEEDS. 
No. 44. 
Hieracium aurantiacum, L. 
Golden Hawkweed. 
(Dept. Agr. Rept. 1890, pl. II.) (Bul. 37 (1891) Cornell Exp. Sta.) 
Augnst, 1891. Prof. L. R. Jones. Burlington, Vt. 
pees <I 
$10. don’ ghecial feature is the Root System, shown in nearly all instances. Neatly mounted, 
YRON D. HaLstTepD, New Brunswick, N. J. 
WILLIAM WALES, Fort Lee, N. J. 
MANUFACTURER OF 
FIRST-CLASS MICROSCOPE OBJECTIVES. 
MICROSCOPES FURNISHED OF ALL MAKES—ZENTMAYER'S AL- 
WAYS ON HAND. INSTRUMENTS ORDERED IN NEW 
YORK CITY SENT ON APPROVAL. 
DISCOUNT TO COLLEGES. 
