382 MR. H. M. CHIBBER ON THE MORPHOLOGY 
developed in ihe interior of collenehyma. Опе cannot expect a greater 
3 
degree of lignification in a liane *. 
I should like to express my indebtedness to Dr. Harold H. Mann, 
Principal, Agricultural College, Poona, and to Prof. William Burns, 
Economic Botanist, Bombay, Poona, for the interest they took and the 
encouragement they gave in the preparation of my work, as also for many 
valuable suggestions they made. To Prof. Burns further acknowledgments 
are due for his having kindly gone over the manuscript before the paper 
took its final form. 
All the drawings for this paper excepting the micro-photographs were 
executed by Mr. K. К, Tilak, Artist to the Department of Agriculture, 
Bombay Presidency, to whom the thanks of the writer are due for the 
'areful way they are done. 
Agricultural College, Poona, India. 
25th April, 1912. 
EXPLANATION OF TIIE PLATES. 
PLATE 17. 
Fig. 1. Apical part of a leading shoot. x 2. 
2. Terminal bud of a lateral branch. x 3, 
3. Print of a leaf showing veins and outline; broadly ovate cordate type. 
Reduced. 
4, Print of a lea? ; ovate oblong type. Reduced. 
5. A node showing the adhering roots, Natural size. 
6. Another branch with the axillary buds resting (the sheathing leaves devoid of 
lamina being caducous are shown detached). х 3. 
7. Male catkin, Natural size. 
8. Portion of 7. x 5. 
9. Bract from behind, showing the stalk, shield, and hairs. x 5. 
10. A stamen; semiprofile view. X 5. 
11. Immature anther; face view. х 5. 
12. A dendroid piece forming one of the ground branches. Natural size. 
13. Branch-easting (for explanation, see text p. 361). Natural size. 
PLATE 18. 
Fig. 14. Lower epidermis of lamina. x 700. 
15. Bod y-cell of a hydathode showing the tip lamellated. The two concentric circles 
refer to the stalk-cell. х 800. 
16. Palisade-tissue, end view ; treated with chloral hydrate. х 700. 
* For literature on Histology of this plant, see Solereder, Syst. Anat. Dicot., Engl. 
Trans. ii. p. 694. 
