294 
Francis Darwin. 
No. 
Species. 
Date of first flowering. 
1917. 
1918. 
1919. 
98 
Orchis mascula 
• • • 
May 
16 
„ 4 
57 
„ morio 
• • • 
* > 
23 
May 15 
153 
,, pyramidalis 
... 
June 
21 
June 13 
June 22 
199 
Origanum vulgare 
• •• 
July 
17 
July 16 
July 13 
31 
Oxalis Acetosella ... 
... 
Mar. 16 
April 22 
143 
Papaver Rhceas ... 
• •• 
June 
21 
July 2 
June 21 
186 
Parietaria officinalis 
July 
12 
ii ^ 
July 14 
5‘2 
Paris quadrifolia ... 
April 27 
May 3 
196 
Pastinaca sativa ... 
• •• 
July 
7 
July 18 
39 
Pedicularis sylvatica 
... 
May 
6 
May 24 
May 7 
171 
Phleum pratense ... 
June 29 
41 
Plantago lanceolata 
... 
May 
12 
April 14 
May 9 
35 
it ti ? ••• 
... 
May 3 
138 
n major. 
... 
July 
13 
July 5 
June 20 
104 
„ media. 
, , . 
June 
6 
May 22 
„ 2 
110 
Poa (Glyceria) fluitans ... 
„ 30 
„ 6 
,, trivialis 
... 
June 8 
79 
Polygala vulgaris. 
... 
June 
12 
May 21 
May 25 
216 
Polygonum aviculare . 
. .. 
July 24 
„ Bistorta . 
June 
8 
108 
Potentilla anserina . 
... 
May 27 
June 4 
127 
„ reptans 
• •• 
June 
18 
June 13 
„ io 
86 
,, Tormentilea ... 
... 
» > 
25 
May 10 
May 27 
72 
Poterium Sanguisorba J 1 
... 
June 
8 
May 17 
„ 22 
ii ii (7 ... 
• • ■ 
„ io 
20 
Primula acaulis ... 
Mar. 24 
April 9 
136 
Prunella vulgaris... . 
June 19 
32 
Prunus communis 
May 
3 
„ 23 
April 23 
68 
Pyrus aucuparia ... . . 
May 19 
Quercus Robur 
April 30 
60 
Ranunculus acris... 
May 
16 
May 13 
May 16 
50 
,, aquatilis 
,i 12 
158 
,, arvensis 
June 
3 
Jnne 24 
45 
,, auricomus (f. depauperatus) 
May 
10 
April 12 
May 10 
48 
„ bulbosus 
1 * 
13 
„ 28 
„ 11 
6 
„ Ficaria 
• •• 
April 
1 
Feb. 10 
Mar. 13 
55 
„ repens 
. . • 
May 10 
May 15 
., sceleratus 
June 20 
165 
Reseda luteola 
July 
27 
June 26 
109 
Rhinanthus Crista-Galli . 
May 
31 
May 20 
„ 6 
Rosa sp. ... . 
June 
11 
„ 21 
184 
„ arvensis . 
... 
July 7 
111 
,, canina ... 
... 
June 6 
91 
Rubus coesius . 
... 
May 
28 
May 21 
May 28 
188 
„ fruticosus ... . 
... 
June 22 
June 24 
July 10 
118 
i 
11 »» ••• ••• ••• 
June 7 
80 
Rumex acetosa $ . 
May 
29 
May 21 
80 
„ V . 
May 27 
May 25 
167 
„ crispus vay. elongatus ... 
... 
June 27 
84 
,, obtusifolius . 
June 
10 
May 26 
18 
,, cinerea var. aquatica £ ... 
April 19 
April 7 
25 
ii it ii ii $! ••• 
April 17 
94 
Sambucus nigra ... 
PJune 
10 
May 21 
May 29 
93 
Sanicula europcea 
... 
„ 16 
„ 28 
162 
Scabiosa arvensis . 
July 
1 
June 25 
197 
,, Columbaria . 
» » 
7 
July 16 
July 13 
230 
„ succisa ... 
... 
Aug. 17 
27 
Scilla nutans 
... 
May 
11 
April 15 
April 22 
99 
Scrophularia aquatica ... 
... 
June 2 
„ nodosa . 
June 
7 
May 29 
Sedum album ... . 
... 
July 
11 
July 1 
137 
„ acre . 
. »• 
June 19 
156 
Senecio erucoefolius . 
June 23 
204 
,, Jacoboea. 
• • • 
July 
11 
July 14 
„ 15 
1 A form with small leaves, white flowers and glandular flower stalks. 
