12 
STRAND. 
L 
Name. 
Thick- 
ness of 
frond. 
1 
Thick- 
ness of 
upper 
epi- 
dermal 
wall. 
Thick- 
ness of 
lower 
epi- 
dermal 
wall. 
Chloro- 
phyll 
in epi- 
dermis. 
! 
Hypo- 
dennis. ; 
Stum- 
ata per 
square 
milli- 
meter. 
Average 
length and 
width of 
stoiiiata. 
Davallia denticulata 
D, solida 
mm. 
0.27 
,21 
1.49 
.57 
.22 
.71 
2.5 
3 ' 
10 
5 
9 
5 
4.6 
4 
10 ' 
7 
6 
7.5 
+ 
+ 
+ 
1 
+ 
116 
140 
28 
28 
60 
26 
39 X 30 
40 X 29 
Niphobolus adnaseens 
Polypodium sinuosum. 
Asplenluni niacrophyllum 
* Tin**- '^ -'• \ ' H r 
A. tnnsfefoliuni 
51 X 30 
47 X 45 
37 X 3a 
56 X 49 
Average _ 
.58 
5.75 
6.5 
m% 
83i% 
36.3 
45 X 36. 5 
SALT MARSH 
Aohrostichum aureum 
0.30 
3.5 
+ 
220 
47 X 34 
LOW JUNGLE. 
Nephrodium procurrens-. 
Nephrodiuni (1677) ^ 
Callipteris prolifera 
Callipleris esculenta 
Polypodium Schneideri 
Averaere 
0.10 
.065 
.14 
.19 
.12 
3 
2 
'l5 
2 
3 
2.5 
1 
1 
1 
2 ' 
+ 
-1- 
1 
107 
110 
60 
450 
68 
36 X 19 
30 X 16 
37 X 25 
31 X 20 
46 X 30 
12.3 
2.3 
1.5 
90% 

159 
31.2 X 22 
^ 
PARANG 
Nephrodium aridum — 
N. cucullatum 
N. pteroides 
Nephrolepis hirsiitula _ 
PteHs longifolia 
P. ensiformis 
Average 
Average for plain 
0.10 
.14 
.10 
.23 
.18 
.12 
5 
6.5 
3 
3 
3.5 
2.5 
2.5 
2 
1.5 
3 
2 
2.5 
.145 
.135 
3.92 
3.18 
Trace, 
Trace, 
+ 
+ 
+ 
200 
360 
250 
132 
84 
56 
32 X 17 
36 X 19 
27 X 18 
45 X 20 
51 X 32 
47 X 23 
2.25 
1.91 
66|% 
77. 3% 


180.3 
170.8 
39. 7 X 22. 5 
35. 8 X 22, 3 
HIGH FOREST. 
A. Gorges and Othkr Moister Places, 
Nephrodium (1685) 
N. syrmatieum 
N. setigerum 
N. Foxii 
N. immersum 
N. ferox 
N. Bordenii (1688) 
Aspidium angnlatum 
A. ieuzeanum 
Leptoehilns hotcroclltus._ 
Microlepia Speluncce 
0.07 
.08 
.12 
.10 
.08 
.13 
.09 
.11 
.12 
.165 
.19 
4 
2.5 
3 
2 
1 
4 
3 
4 
2 
1.5 
4 
2 
1 
1 
1 
1 
3 
1 
1 
1 
L5 
3 
+ 
-I- 
+ 
+ 
Trace 
+ 
4 
+ 
+ 
-i- 
120 
400 
210 
200 
150 
100 
225 
36 
60 
34 
92 
40 
X 
19 
37 
X 
19 
33 
X 
26 
36 X 21 
28 X 19 
38 X 22 
36 X 21 
44 X 28 
43 X 26 
51 X 25 
60 X 30 
N 
