REFERENCES 79 



3. Draw a single septate fiber from the secondary xylem of 

 Vitis showing its form, pitting and the position and structure of 

 the septa. 



4. Prepare a brief resume of the commercial process of "ret- 

 ting" fibers in hemp or flax (for literature and information ef. 

 Hayward, pp. 242, 244-245 and 409-410, and Anderson, 1927). 



REFERENCES 



1. Aldaba, V. C, The Structure and Development of the Cell 

 Wall in Plants, I. Bast fibers of Boehmeria and Linum.. Amer. 

 Jour. Bot. 14:16-24. 1927. 



2. Anderson, D. B., A Microchemical Study of the Structure 

 and Development of Flax Fibers. Amer. Jour. Bot. 14 -187- 

 211. 1927. 



3- , and Kerr, T., Growth and Structure of Cotton 



Fiber. Indus, and Eng. Chemistry 30 :48-54. 1938 



4. De Bary, pp. 128-134. 



5. Fames and MacDaniels, pp. 56-57, 62-64 and p. 75. 



6. Esau, K., The Multinucleate Condition in Fibers of Tobacco. 

 Hilgardia 11 :427-434. 1938a. 



^- , . Ontogeny and Structure of the Phloem of 



Tobacco. 7i/f/., 11:343-424. 1938b. 



8. Haberlandt, pp. 152-155. 



9. Hayward, pp. 23-25. 



10. Mansfield, pp. 89-106. 



11. Meeuse, A. D. J., Development and Growth of the Scleren- 

 chyma Fibers and Some Remarks on the Development of the 

 Tracheids in Some ^lonocotvledons. Rec. trav bot neer- 

 landais 35 : 288-321. 1938. 



12. Vestal, P. A. and Vestal, M. P., The Formation of Septa in 

 the Fiber-tracheids of Hypericum Androsaemuin L. Harvard 

 Bot. Mus. Leaflets 8 :169-180. 1940. 



