174 



U. SUZUKI. 



Healthy leaves. Diseased leaves. 



Total nitrogen 4.30 3.70 



Albuminoid nitrogen 3.60 3.00 



Non-albuminoid nitrogen 0.70 0.70 



In ioo parts of ash (free from carbon and sand), 



Healthy leaves. Diseased leaves. 



SiO a 1.68 1.85 



S0 3 2.32 2.64 



P 2 0 5 9.44 7.52 



K 2 0 27.40 14.10 



CaO 22.10 38.60 



MgO 9.60 12.20 



In this case also the diseased leaves are exceedingly poor in 

 nitrogen and fibres, and the ash contains less potash and phos- 

 phoric acid but more lime and magnesia. 



3. Hosoye. May 6, 1898. 



Healthy. Diseased, 



Number of stems 6 60. 



Number of leaves 1345 3025. 



Average length of 1 stem 195 cm. 82.5 



Total fresh weight of stems 1231 1 1 3 1 . 



Average fresh weight of 1 stem 205.0 18.85 



Total fresh weight of leaves 1598.0 I47-Q 



Average fresh weight of 1 leaf 0.11 1 0.049 



Total dry weight of leaves 32.224 3I-M9 



Average dry weight of 1 leaf 0.024 0.010 



Moisture in fresh leaves 79-§4 7S.81 



Dry matter in fresh leaves 20.16 21.19 



Number of leaves on 1 stem 22.4 50. 



Dry matter of leaves on 1 stem 5.371 °-S l 9 



In 100 parts of dry matter, 



Healthy leaves. Diseased leaves. 



Crude proteids 41.00 38.00 



Crude fats 2.26 1.5 1 



Crude fibres ) „ t0 



t 49.18 52.18 

 Nitrogen-free extracts ) 



