32 
Francis Darwin 
the current numbers of the observations (from No. i to No. 272), 
the date of observation and the name of the plant. Finally, for the 
sake of comparison, the flowering dates for 1917, 1918 and 1919 are 
given so far as they are available. Alongside these dates are placed 
the letters E and L, indicating earlier or later occurrence than in 
1920. 
Table II 
No. 
1920 
Name 
1917 
1918 
1919 
1 
Jan. 3 
Ranunculus repens 
_ 
May 10 L 
May 15 
C 2 
8 
Primula vulgaris 
— 
— 
— 
c 3 
10 
Tussilago petasites 
— 
— . 
C 4 
21 
Galanthus nivalis 
— 
— 
— 
c 5 
22 
Capsella Bursa-pastoris 
: ' -^r. ■■ ■ 
— 
C 6 
Feb. 7 
Ulmus campestris $ 
— 
— 
— 
C 7 
Mar. 3 
Ranunculus Ficaria 
Apr. 1 L 
Feb. 10 E 
Mar. 13 L 
C 8 
4 
Lamium album 
May 10 L 
Feb. 16 E 
Apr. 15 L 
C 9 
9 
Taraxacum Dens-leonis 
Apr. 25 L 
Jan. 22 E 
Mar. 15 L 
C 10 
11 
Tussilago Farfara 
Mar. 13 L 
Apr. 5 L 
C 11 
21 
Caltha palustris 
Apr. 22 L 
— 
Apr. 9 L 
12 
24 
Mercurialis perennis 
— 
(JFe. 4 E 
3 Mr. 14 E 
13 
24 
Cardamine pratensis 
May 2 L 
Mar. 17 E 
Apr. 7 L 
14 
24 
Chrysosplenium oppo- 
— 
17 E 
4 E 
sitifolium 
15 
25 
Fragaria vesca (wild) 
Apr. 21 L 
16 E 
6 L 
16 
25 
Lamium Galeobdolon 
May 11 L 
May 12 L 
May 10 L 
17 
25 
Oxalis acetosella 
— 
Mar. 16 E 
Apr. 22 L 
18 
25 
Primula veris 
— . 
24 E 
9 L 
19 
25 
Nepeta Glechoma 
May 2 L 
21 E 
12 L 
20 
26 
Viola canina 
— 
— 
22 L 
21 
27 
Anemone nemorosa 
— 
Mar. 26 E 
10 L 
22 
27 
Viola odorata 
' ’ , A; 
13 E 
Jan. 1 E 
23 
28 
Lychnis diurna 
— 
Apr. 28 L 
May 9 L 
24 
29 
Scilla nutans 
May 11 L 
15 E 
Apr. 22 L 
25 
29 
Chserophyllum sylvestre 
18 L 
16 L 
May 6 L 
26 
30 
Stellaria holostea 
11 L 
14 L 
Apr. 22 L 
27 
3 i 
Alliaria officinalis 
14 L 
8 L 
May 6 L 
28 
Apr. 4 
Vicia sepium 
12 L 
30 L 
15 E 
29 
5 
Heracleum Sphondylium 
! IS'Mi 
May 11 L 
20 L 
30 
8 
Arum maculatum 
May 10 L 
— 
Apr. 28 L 
31 
9 
Lychnis diurna 
— 
Apr. 28 L 
May 9 L 
(plenty; see No. 23) 
32 
10 
Vinca minor 
— 
. -— . 
— 
33 
10 
Ranunculus auricomus 
May 10 L 
Apr. 12 L 
May 10 L 
var. depauperata 
34 
10 
Lamium maculatum 
— 
' — 
2 L 
35 
10 
Veronica Chamsedrys 
May 12 L 
Apr. 29 L 
10 L 
36 
11 
Paris quadrifolia 
—|‘ 
— 
14 L 
37 
13 
Pedicularis sylvatica 
May 6 L 
May 24 L 
7 E 
38 
14 
Plantago lanceolata $ 
12 L 
Apr. 14 = 
— 
39 
15 
Acer Pseudo-platanus 
6 L 
May 9 L 
May 9 L 
40 
16 
Plantago lanceolata <$ 
12 L 
— 
9 L 
4 1 
16 
Geranium Robertianum 
12 L 
May 10 L 
— 
42 
16 
Chelidonium majus 
— 
— 
43 
17 
Ranunculus acris 
May 16 L 
May 13 L 
May 16 L 
