352 
Journal of Agricultural Research 
Vol. XXIX, No. 7 
Table I. — Complete list of seeds buried, with germination obtained each time the 
seeds were taken up —Continued 
Labo¬ 
ra¬ 
tory 
No. 
Buri¬ 
al 
Name of plant 
Num¬ 
ber of 
Depth 
No. 
seeds 
1903 
Percentage of germination in— 
1905 
1908 
1912 
1918 
1923 
URTICACEAE (NETTLE FAMILY) 
16202 
75 
Boehmeria nivea (L.) Gaud. 
200 
A. 
0 
6 
0 
7 
11.0 
39 
(ramie) 
200 
B 
0 
43.5 
0 
10 
32.0 
61 
200 
C 
0 
53.5 
0 
26 
32.0 
71 
POLYGONACEAE (BUCKWHEAT FAMILY) 
16203 
18 
(Fagopyrum fagopyrum (L.) 
100 
A 
0 
0 
0 
0 
0 
0 
Karst, (buckwheat). 
100 
B 
0 
0 
0 
0 
0 
0 
100 
C 
0 
0 
0 
0 
0 
0 
16204 
40 
Polygonum pennsylvanicum L. 
200 
A 
0 
0 
0 
0.5 
4.0 
0 
(smartweed). 
200 
B 
0 
0 
0 
2.5 
0 
0 
200 
c 
0 
0 
1 
1 
0 
0 
16205 
78 
Polygonum persicaria L. 
200 
A 
0 
26 
0 
60.5 
14 
1 
(lady’s-thumb, smartweed). 
200 
B 
0 
1 
0 
31.5 
9 
25.5 
200 
c 
0 
0 
0 
8 
.5 
55 
16206 
41 
Polygonum scandens L. (climb- 
200 
A 
0 
0 
0 
0 
1 
0 
ing false buckwheat). 
200 
B 
0 
0 
0 
0 
0 
2.5 
200 
C 
0 
0 
0 
0 
0 
5 
16207 
76 
Rumex salicifolius Weinm. 
200 
A 
88.5 
67 
33 
83 
57.5 
0 
(willow-leaved dock). 
200 
B 
85.5 
75.5 
19 
62 
83.5 
72.5 
200 
C 
70.5 
68 
23 
93.5 
89 
55 
16208 
39 
Rumex crispus L. (curled dock) 
200 
A 
67.5 
69 
63.5 
60.5 
42.5 
9 
not cleaned. 
200 
B 
79.5 
64.5 
66.5 
76 
0 
24 
200 
C 
79 
58 
50.5 
72.5 
19 
13.5 
16209 
77 
Rumex obtusifolius L. (broad- 
200 
A 
73 
91.5 
88.5 
82.5 
56.5 
59 
leaved dock, bitter dock). 
200 
B 
72.5 
92 
84 
86 
90 
77.5 
200 
C 
79.5 
93.5 
86.5 
89 
83.5 
82.5 
CHENOPODIACEAE (GOOSEFOOT FAMILY) 
16210 
81 
Axyris amaranthoides L. (Rus¬ 
200 
A 
0 
0 
0 
0 
0 
0 
sian pigweed). 
200 
B 
0 
0 
0 
0 
0 
0 
200 
C 
0 
0 
0 
0 
0 
0 
16211 
19 
Beta vulgaris L. (sugar beet)_ 
100 
A 
14 
0 
8 
1 
0 
0 
100 
B 
39 
10 
35 
1 
0 
1 
i 
100 
C 
40 
7 
9 
4 
2 
1 
16212 
79 
Chenopodium album L. (lamb’s- i 
200 
A 
32 
36.5 
.5 
39 
30 
0 
quarters, white goosefoot). 
200 
B 
63.5 
41 
50.5 
36.5 
46.5 
0 
200 
C 
64.5 i 
51 
.5 
62 
47 
65.5 
16213 
80 
Chenopodium hybridum L. 
200 
A 
7.5 1 
14 
1 
36.5 
0 
0 
(maple-leaved goosefoot). 
200 
B 
9.5 ; 
30 
9 
27 
15 
40.5 
200 
C 
13 ! 
34 
41.5 
39.5 
11 
0 
AMARANTHACEAE (AMARANTH FAMILY) 
16214 
82 
Amaranthus retroflexus L. 
200 
A 
9 
0 
1 
11 
: 
0 
0 
(rough pigweed). 
200 
B 
11 
19.5 
67.5 
36 
o ! 
0 
200 
C 
17.5 
12 
10 
48 
0 
0 
PHYTOLACCACEAE (POKEWEED FAMILY) 
| 
16215 
42 
Phytolacca americana L. (poke, 
200 
A 
7.5 
65.5 1 
29 
87.5 
0 
“0 
pigeon berry). 
200 
B 
66.5 
91 1 
68.5 
93 
87.5 
i 75 
200 
C 
80.5 
93.5 
77 
77 
93 
! 72.5 
! 
PORTULACACEAE (PURSLANE FAMILY) 
16216 
83 
Portulaca oleracea L. (purslane). 
200 
A 
39 
15 
36.5 
21.5 
12.5 
8.5 
200 
B 
38.5 
30.5 
33.5 
26.5 
20 
0 
200 
C 
30.5 
39 
11 
6.5 
14.5 
; 
38 
34 hard seed recovered. 
