356 
Journal o f Agricultural Research 
Vol. XXIX, No. 7 
Table I .—Complete list of seeds buried, with germination obtained each time the 
seeds were taken up —Continued 
Buri- 
Num- 
Percentage of germination in— 
al 
No. 
Name of plant 
ber of 
seeds 
Depth 
1903 
1905 
1908 
1912 | 1918 
1923 
SCROPHULARIACEAE (FIGWORT FAMILY) 
16262 
102 
Verbascum thapsus L. (great 
200 
A 
7 
17.5 
11 
63 
37.5 
86 
mullen). 
200 
B 
7.5 
26 
7.5 
40.5 
72 
90 
200 
C 
25.5 
29 
2.5 
82.5 
32 
92.5 
PLANTAGINACEAE (PLANTAIN FAMILY) 
16263 
105 
Plantago lanceolata L. (ribwort, 
200 
A 
20.5 
33.5 
19 
3.5 
0 
0 
ribgrass, buckhorn). 
200 
B 
20.5 
50.5 
14 
2.5 
0 
0 
200 
C 
20.5 
62 
17 
4 
1.5 
0 
16264 
103 
Plantago major L. (common 
200 
A 
39.5 
67.5 
10.5 
52.5 
17.5 
5.5 
plantain). 
200 
B 
43.5 
59.5 
10 
32 
30.5 
13.5 
200 
C 
46.5 
55 
14.5 
41 
19.5 
83.5 
16265 
104 
Plantago rugelii Dec. (RugePs 
200 
A 
12 
68 
3.5 
84 
33 
0 
plantain, broad plantain). 
200 
B 
12 
55.5 
5.5 
74.5 
29.5 
20.5 
200 
C 
13.5 
66 
6 
16 
23.5 
37 
CUCURBITACEAE (GOURD FAMILY) 
16266 
26 
Citrullus citrullus (L.) Karst. 
100 
A 
0 
0 
0 
0 
0 
0 
(watermelon). 
100 
B 
0 
0 
0 
0 
0 
0 
100 
C 
0 
0 
0 
0 
0 
0 
16267 
25 
Cucumis melo L. (muskmelon). 
100 
A 
0 
0 
0 
0 
0 
0 
100 
B 
0 
0 
0 
0 
i o 
0 
100 
C 
0 
0 
0 
0 
0 
0 
16268 
24 
Cucumis sativus L. (cucumber). 
100 
A 
0 
0 
0 
0 
0 
0 
100 
B 
1 
0 
0 
0 
0 
0 
100 
C 
3 
0 
0 
' 
0 
0 
0 
CICHORIACEAE (CHICORY FAMILY) 
16269 
107 
Lactuca scariola L. (prickly 
200 
A 
63.5 
74.5 
0 
0 
0 
0 
lettuce). 
200 
B 
69 
59 
0 
0 
0 
0 
200 
C 
69.5 
67 
0 
0 
0 
0 
16270 
62 
Lactuca sativa L. (lettuce)_ 
200 
A 
0 
0 
0 
0 
0 
0 
200 
B 
0 
0 
0 
0 
0 
0 
200 
C 
0 
0.5 
0.5 
0 
0 
0 
16271 
106 
Taraxacum erythrospermum 
200 
A 
35.5 
29 
6.5 
0 
0 
0 
Andrz. (red-seeded dande¬ 
200 
B 
41.5 
4.5 
0.5 
0 
0 
0 
lion) . 
200 
C 
45.5 
1.5 
8 
0 
0 
0 
AMBROSIACEAE (RAGWEED FAMILY) 
16272 
63 
Ambrosia artemisiaefolia L. (rag¬ 
200 
A 
16 
12.5 
12 
66 
69 
2 
weed) . 
200 
B 
18.5 
11.5 
6 
69 
69 
83.5 
200 
C 
20.5 
16 
3.5 
62 
81 
78.5 
16273 
28 
Ambrosia trifida L. (great rag¬ 
100 
A 
0 
0 
0 
5 
0 
1 
weed) . 
100 
B 
2 
9 
0 
13 
12 
15 
100 
C 
6 
8 
0 
6 
2 
6 
16274 
27 
Xanthium pennsylvanicum 
n 20 
A 
0 
0 
0 
5 
15 
0 
Walbr. (cocklebur). 
20 
B 
0 
0 
45 
5 
15 
0 
20 
C 
5 
0 
25 
<’) 
0 
0 
* Ten fruits buried. 
v Twenty-five sprouts recorded evidently an error, perhaps due to root sprouting. 
