6 
Colorado Experiment Station. 
Relation between size of twig and occurrence of B. amylovorus 
Material collected April 12 , 14, iy //. 
(Table No. 1.) 
Sam- 
Diameter of Presence of 
pie 
No. 
twig in 
millimeters 
B. amylo¬ 
vorus 
1 
12 
2 
13 
+ 
3 
16 
4 
13 
5 
13 
6 
10 
7 
14 
- 
8 
12 
_ 
9 
7 
_ 
10 
9 
+ 
11 
10 
12 
7 
4- 
13 
12 
4 
14 
13 
-p 
51 
17 
16 
16 
- 
17 
12 
18 
14 
— 
19 
15 
~f 
20 
14 
21 
16 
. 
22 
23 
. 
23 
30 
_ 
24 
21 
_ 
25 
23 
— 
26 
47 
27 
36 
. 
28 
30 
+ 
29 
28 
30 
28 
. 
31 
38 
_ 
32 
20 
_ 
33 
26 
_ 
34 
23 ' 
— 
Character of microbic flora found in 
blighted wood. 
Moulds 
Pure culture B. amylovorus 
Sterile 
Mixed, cream and yellow colonies 
Pure culture B. amylovorus 
Sterile. 
Fluorescent green colonies 
Fluorescent green colonies 
Sterile. 
Mixed, B. amylovorus 
M ou Ids. 
Pure culture B. amylovorus 
1 ure culture B. amylovorus 
Pure culture B. amylovorus 
Moulds. 
Moulds. 
Moulds. 
Moulds, cream and yellow colonies. No. 
B. amylovorus. 
Pure culture B. amylovorus 
Moulds. 
Sterile. 
Mixed; yellow, green and whi*e colonies 
Cream colonies 
Moulds 
Mixed; yellow and white colonies, 
moulds 
Pale cream colonies 
Yellow colonies and moulds 
Pure culture B. amylovorus. 
Yellow colonies 
White stellate colonies 
Sterile 
Moulds 
Sterile 
Sterile 
