86 
AMERICAN JOURNAL OF BOTANY 
[Vol. 9 
Table i {Continued) 
Strain 
i8 
19 
22 
23 
24 
25 
26 
Source 
Hevea; wood of sapling above 
wound 
Hevea; bark of tapping cut . . . 
Hevea; wood of sapling above 
wound 
Hevea; colorless area of young 
Hevea; untapped bark of large 
tree 
Hevea; twig of tree killed hy 
lightning 
Hevea; untapped bark of large 
tree 
Hevea; twig. 
Hevea; wood of sapling above 
wound 
enera 
Spore Length 
Terminal Append ag 
tion 
Range 
Mean 
Range 
Mean 
I 
20-26 
234 
20-32 
25.6 
2 
17-23 
20.6 
17-36 
24.7 
3 
20-27 
22.7 
14-27 
20.8 
4 
20-27 
22.5 
14-29 
20.5 
5 
20-26 
22.5 
16-31 
23.2 
6 
21-29 
23.8 
14-27 
20.5 
7 
19-29 
22.8 
13-31 
21.0 
I 
20-27 
22.3 
10-26 
20.2 
2 
19-26 
21.7 
9-21 
154 
-2 
J ^ 2y 
21.9 
4 
2 1 29 
23. » 
10-30 
21.4 
5 
T 7 — on 
22.8 
1 0 — 26 
T r> /I 
6 
T A — /I 
ly ^4 
•7 r *7 
^1 ./ 
9—26 
T "7 7 
17.7 
I 
19-24 
21.8 
19-29 
23-5 
2 
16-24 
20.5 
14-29 
21.8 
0 
20 9 
T A — 01 
14 Zj 
22 T 
4 
1 9 26 
22.7 
14-27 
20.5 
5 
21-33 
25-3 
16—30 
22 .6 
6 
T n — '>n 
^3.0 
6-26 
140 
I 
^/ 
I I — 29 
20 C 
2 
16-24 
19.9 
4-20 
10. 0 
3 
20-26 
22.4 
20-34 
25.0 
T 0— 90 
^y 
T A in 
on 1 
5 
2 I —29 
^4-3 
T T m 
one 
6 
2 1 —29 
^3-9 
14-30 
20.8 
I 
21-32 
254 
14-27 
20.5 
2 
20-24 
21.7 
16-27 
20.1 
3 
20—26 
01 n 
13 
190 
4 
I 7—26 
I 4-3 I 
21.8 
5 
2 "Z— 20 
24.8 
T A — 01 
14 ^/ 
2 1 . 1 
6 
17-26 
14-29 
20.4 
7 
23-5 
1 0 27 
ID. 7 
I 
19-26 
23.0 
17-29 
237 
2 
19-24 
21.9 
17-31 
21.3 
3 
19-27 
22.5 
13-27 
21.0 
4 
21-30 
24.9 
13-30 
18.5 
5 
20-27 
23-3 
10-23 
16.7 
I 
20-26 
23.4 
13-26 
19.6 
2 
20-24 
22.9 
10-21 
17-5 
3 
17-27 
22.9 . 
14-24 
20.4 
4 
20-29 
23.2 
14-29 
19.9 
5 
20-29 
22.8 
14-29 
18.2 
6 
21-29 
24.9 
10-21 
17.7 
7 
20-26 
23-5 
11-24 
18.2 
I 
20-27 
23.0 
17-29 
21.6 
2 
21-26 
23-3 
14-27 
22.0 
3 
17-26 
21.8 
19-30 
25.0 
4 
20-29 
234 
19-31 
24.9 
5 
21-27 
24.6 
14-31 
22.9 
I 
19-26 
21. 1 
19-33 
23-9 
2 
17-23 
20.1 
14-30 
21.6 
3 
20-27 
23.0 
16-33 
23-9 
4 
21-29 
244 
16-30 
23-7 
5 
20-29 
24.7 
14-39 
23.6 
6 
23-29 
26.6 
14-31 
20.1 
