UTILIZATION OF AMERICAN FLAX STRAW. 9 



woody portion partly to very fine shives and partly to the ultimate 

 wood cells. 



The measurements shown in Table IV give an idea of the 

 kinds and relative sizes of the various cellular elements of which 

 flax pulp is composed. The pulp in this case was obtained by the 

 soda process, on account of the more complete separation of the cells 

 in the pulp (fig. 2). 



Fi<;. 2. — Microphotograpb of pulp from flax straw before the smaller cells are removed. 

 (Magnified 103 diameters.) 



Table IV. — Dimensions of the cells of flax pulp. 









Dimensions (millimeters). 





Ratio 



of 



length 



to 



Kin<i of cell 



Length. 



Width. 





Maxi- 

 mum. 



Mini- 

 mum. 



A ver- 

 age. 



Maxi- 

 mum. 



Mini- 

 mum. 



Aver- 

 age. 



width. 



Pith cells 'from the central portion 



hi the 



0. 1 I 

 . II 

 . 13 

 .40 



") 



. 426 

 64 



0.08 



.07 

 .09 



. is 

 p) 



. L6 



II. HI 



.08 



. II 

 .29 



(!) 



.2(1 



0.08 

 .03 

 .02 



.0') 

 .02 



.013 



.039 



0.06 



.ill 

 .in 

 .02 



.1111!! 



.009 

 .010 



0.06 

 .02 



.02 

 .08 



.nil 



.011 

 .019 



i.:> 







Epidermal cells 



4:3 



7.2 



Lou ' p ireni b m cell 



9. 2 



wood fibers (from the woodj portion 







ol the 



17..% 



ber (the lonK (ilx-r of the plant, 











K!)")7 



1 Extending throughout length of plant, 

 Bull.322 1<; 



