42 ART. 10. — S. KUSANO 



CONTENTS. 



I. Introduction. 

 II. Parasitism of Buckleya. 



III. Description of the Haustorium. 



IV. Anatomy of the Haustorium. 



V. Secondary Growth of the Haustorium. 



1. The Cambium. 



2. The Vascular Strand. 



3. The Cortical Part. 



4. The Medullary Kays. 



5. The Annual Rings and the Formation of the Duramen. 



6. The Attaching-Fold, Sucker and Striated Band. 



7. The Connection of the Haustorium with the Mother-Root. 

 VI. General Remarks and Summary. 



