82 SIR DIETRICH BRANDIS ON THE 
( Arundinaria Wightiana, A. falcata, A. khasiaua, and A. callosa), but that in these and 
other species there is great difference in this respect in specimens grown in different 
localities. 
Arundinaria Wightiana, Nees. Half the bulliform cells filled with silica. 
A. Walkeriana, Munro. Bulliform cells filled with silica few, in interrupted lines. 
A. densifolia, Munro. Bulliform cells filled with silica scattered, or in single, sometimes double, lines; 
short silica-cells over longitudinal nerves larger and prominent. 
. A. racemosa, Munro (6000-9000 feet). Bulliform cells filled with silica few; linear epidermis-cells 
filled with silica numerous. 
. A. elegans, Kurz. Bulliform cells filled with silica few. 
. A. falcata, Nees. (1) Mussoorie: Half the bulliform cells filled with silica. (2) Seoraj: One-fourth 
of the bulliform cells filled with silica. (3) Chakrata, (4) Dehra Dun: Bulliform cells filled with 
silica scattered ; many linear epidermis-cells filled with silica, (5) Cult. Kew: Bulliform cells 
filled with silica very few; solid silica in the apparent cavities.— All specimens of this species 
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have conspicuous short cells over longitudinal nerves filled with silica. 
. A. khasiana, Munro. (1) Sikkim: Half the bulliform cells filled with silica; linear epidermis-cells 
filled with silica very numerous. (2) Khasi Hills: Bulliform cells filled with silica very few. 
. A. intermedia, Munro. (1) Sikkim: One-fourth of the bulliform cells filled with silica. (2) Cult. 
Hort. Kew: Very few bulliform cells filled with silica. | 
. A. Hookeriana, Munro. (1) Sikkim: One-sixth of the bulliform cells filled with silica. (2) Cult. 
lreland : Very few bulliform cells filled with silica. 
A. Griffithiana, Munro. Khasi Hills. Bulliform cells with silica very few. 
1l. A. callosa, Munro. (1) Khasi Hills, C. B. Clarke leg.: Nearly all bulliform cells filled with silica; — 
linear epidermis-cells filled with silica very numerous. (2) Shillong: Bulliform cells filled with - 
silica few. (3) Kala Naga Hills, Manipur: Bulliform cells filled with silica few ; short silica- — 
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cells numerous and very conspicuous over nerves and parenchyma. 3 
12. A. armata, Gamble. Upper Burma. Few bulliform cells filled with silica; linear epidermis-cells - ey 
here and there filled with silica. 
A. spathiflora, Trinius. One-third to one-half of the bulliform cells filled with silica. 
14. A. aristata, Gamble. Few bulliform cells filled with silica. 
A, Falconeri, Benth. & Hook. f. Few bulliform cells filled with silica. 
16. A. Prainii, Gamble. One-fourth to one-third of the bulliform cells filled with silica. 
17. A. Mannii, Gamble. Few bulliform cells filled with silica. 
18. A. Clarkei, Gamble. One-sixth of the bulliform cells filled with silica. 
19. A. jaunsarensis, Gamble. Few, up to one-sixth, of the bulliform cells filled with silica. 
20. A. Rolloana, Gamble. Few bulliform cells filled with silica. ( | 
21. A. Ladingiva. Near the edge half the bulliform cells filled with silica, few in the rest of the leaf. | 
22. A. hirsuta, Munro. Few, up to one-sixth, of the bulliform cells filled with silica. 
23. A. microphylla, Munro. Few, up to one-sixth, of the bulliform cells filled with silica. 
4. A. suberecta, Munro. Few, up to one-sixth, of the bulliform cells filled with silica. 
- OË other genera the following a pee: have a strong tendency to accumulate silica in £4 
the cells of their epidermis :— 
1. Phyllostachys bambusoides, Sieb. et Zuce. (1) Japan: One-half to all bulliform cells filled with. 
silica; short epidermis-cells filled with silica very conspicuous; few linear epidermis-cells with. 
silica. (2) China: One-fourth to one-half of bulliform cells filled with silica; short silica-cells 
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