UNITED STATES DEPARTMENT OF AGRICULTURE 
BULLETIN No. 405 
Joint Contribution from the Bureau of Plant Indusiry, WM. A. TAYLOR, Chief, 
and the Bureau of Animal Indusiry, A. D. MELVIN, Chief 
ne, 
e Washington, D. C. PROFESSIONAL PAPER December 5, 1916 
| LUPINES AS POISONOUS PLANTS 
By 
_C. D. MARSH and A. B. CLAWSON, Physiologists, Drug-Plant 
and Poisonous-Plant Investigations, Bureau of Plant Industry, 
and HADLEIGH MARSH, Veterinary Inspector, 
: Bureau of Animal Industry 
CONTENTS 
4 Page Page 
| Parti—Introduction . . . . . . 1 | Part I1f.—Discussion and General Con- 
; clusignstis Ses oe . 28 
Part I1.—Experimental Work . ... . 4;\' Diterature Cited) 3:02.05 Pe a 43 
WASHINGTON 
GOVERNMENT PRINTING OFFICE 
1916 
