No. II. The Bark. 



(Continued from Part LI, p. 59.) 



PAGE. 



3. Classification of trees in general by means of their 



barks 84 



4. Variations in barks of the same species ... 86 



8. Barks in relation to heat and cold .... 88 



6. Adventitious Shoots (Planchon and Casimir de 



Candolle) 89 



7. Ringbarking 92 



5. Coppice-growth (Suekering) . . . . . .94 



9. Twist in bark 96 



10. Bark repair 98 



11. Microscopic characters of bark 99 



12. Calcium oxalate 99 



13 Tannin joi 



14. Oil in bark ioi 



15. Fibre in bark 101 



16. Colour of inner bark 104 



17. Colour of outer bark .♦ 104 



Explanation of Plates (212-216) . . . . 105 



