112 



THE BOTANICAL MAGAZINE. LVoi. xxxv. No. 414. 



Coticernant le fait etionce ci-dessus il y en aura done plnsieurs 

 problcnies tant genetiques que physiologiques qui doivent etre resolus 

 au futur, • 



Institut d'Ohara pour les Recherches agricoles 

 a Kurasiki pres Okayama, 

 Novembre 1920. 



Resume of Article in Japanese. 



KiYOO IsHii : — Studies on the principal vegetable fibres in 



Japan. 



The author has been examined the chemieal constituents and 

 the dimensions upon the following vegetable fibres in raw materials 

 and the results are as follows : — 



Samples 



Corchorus capsularis Bast fibres 



Tjinum usitatissimum ,, 



Boehmeria nivea „ 



Cannabis saliva „ 



Edgewcrrihia papyri/era Bast 



Wikstroemia sikokianum „ 



Broussonetia kasinohi „ 



Morus alba „ 



Oryza saliva Stem 



Avena saiiva „ 



Hordeum vulgare ,, 



Triiicum vulgare „ 



Phragmites communis „ 



Celhilose 



59.67 

 G6,70 

 72.48 

 71.90 

 4645 

 37.57 

 56.00 



38.31 

 37.07 



39.94 

 42.11 

 46.23 



Dimensions of the fibres 



Length (m m) 



-4.43 



-50.9 



-224. 



-33.50 



-5.14 



-3.83 



.077- 

 10.2- 

 63.- 

 20.10- 

 1.20- 

 2.32- 



0.94 21.07 



1.25 25.41 



0.29 1.41 



0.58 2.42 



0.80 2.03 



0.46 2.01 



0.51 2.33 



Diameter (jj.) 



10- 



13- 

 42- 

 12- 

 14- 

 16- 



12- 



10- 



5- 



-23 

 -31 

 -66 



-23 

 -32 

 -30 

 -42 

 -32 



-29 



-99 



10 



11 — 



11 22 



8 22 



