92 
Fig. 31. 
5 
37. 
-1 
38. 
oo 
39. 
e 
ON THE STRUCTURE OF BAMBOO LEAVES. 
PLATE 14. 
Melocanna bambusoides, Trin. Xx 325. Transverse section of a young leaf, bulliform cells in 
a longitudinal furrow, not fully developed. Four cells between the apparent cavities, 
. M. bambusoides, Trin. x 75. Midrib near base of leaf. The band of tissue above the lower 
epidermis contains four, that below the upper epidermis also four vascular bundles, most 
of which are enclosed in the girders of sclerenchymatous fibres. A band of large 
parenchyma-cells between the two lines of vascular bundles. Groups of large thin-walled 
cells on both sides of midrib. 
. M. bambusoides, Trin. x 825. Midrib in the middle of leaf. The two girders of scleren. 
chymatous fibres have united, forming a solid mass of stereome between the upper and lower 
epidermis, beyond the edges of which are a few large parenchyma-cells. The lower part 
contains three, the upper four vascular bundles, all enclosed in stereome. Two of the 
vascular bundles in the upper series have an irregular orientation; the leptome of one is 
lateral, that of another is directed upwards. 
. M. bambusoides, Trin. x 325. Midrib below the apex of leaf. The lower line has only one 
very large vascular bundle, while the upper line consists of three, one of which has an 
inverted orientation, A band of large parenchyma-cells between the two lines of vascular 
bundles. 
. M. bamóusoides, Trin, x 325. Flat section, parallel with surface of leaf above the lower 
epidermis, showing the flat thin-walled cells (walls collapsed) which fill the apparent cavities, 
and the chlorophyll parenchyma, which separates the apparent cavities. The oblong cells 
of the chlorophyll parenchyma show circular folds. 
j. M. bambusoides, Trin. x 75. Transverse section through leaf-sheath. i 
Ochlandra Beddomei, Gamble. Lower epidermis. Over chlorophyll parenchyma alternating 
bands with and without stomata. The protuberances on the outer wall of epidermis-cells 
visible as circles. 
Ochlandra Beddomei, Gamble. x 325. Lower epidermis. Oblong epidermis-cells, filled with 
silica and clasping stomata. 
Chusquea pinifolia, Nees. x 75. Transverse section. No midrib, no apparent cavities, but 
bands of bulliform cells in the upper epidermis between longitudinal nerves. 
40-43. Flat thin-walled cells which fill apparent cavities, isolated. x 325. 40. Sasa paniculata, 
44. Diandrolyra bicolor, Stapf. x 325. Transverse section. Between two nerves a band of — 
45. 
Makino and Shibata (Arundinaria Kumasasa, Hort. Kew). 41. Cephalostachyum capitatum, 
Munro. 42. Melocanna bambusoides, Trin. 43. Ochlandra Beddomei, Gamble. 
bulliform cells and two apparent cavities. 
D. bicolor, Stapf. x 325. Longitudinal section, passing through an apparent cavity. Some m 
of the thin-walled cells have separated, but the walls have not yet collapsed; these contam - 
chlorophyll. 
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