90 MONTANA AGRICULTURAL COLLEGE SCIENCE STUDIES. 



PLATE III. 



B 



BUPLEURUN PURPUREUM, BLANKINSHIP. 



A. Plant natural size. C. Fruit X 15. 



B. Flower X 15. 



E. Bracts of ir volucel X 5. 



H. Mericarp, section X 1~, 



