1382 
MESSRS. J. B. LAWES, J. H. GILBERT, AND M. T. MASTERS, 
i able LXXVIII.—Number of Species, Percentage, Quantity per Acre, 
&c., of each 
Potass *, 
Number of species and proportion 
per cent. 
Quantity per acre. 
1862, 
1867. 
1872. 
1877. 
Mean. 
1862. 
1867. 
1872. 
1877. 
Mean. 
Number of 
Species. 
Graminese. 
16 
15 
15 
15 
15 
Leguminosae. 
1 
2 
2 
Other Orders. 
13 
11 
6 
11 
10 
Total. 
31 
27 
23 
28 
27 
... 
G-ramii 
JEJE. 
p. c. 
p. c. 
p. c. 
p. e. 
p. c. 
lbs. 
lbs. 
lbs. 
lbs. 
lbs. 
Anthoxanthum odoratum. 
1-46 
5-27 
3-26 
5-84 
3-96 
90-2 
262-7 
141-2 
285-0 
194-8 
Alopecurus pratensis. 
2-05 
2-99 
10-35 
16-51 
7-97 
126-7 
149-0 
447-9 
805-7 
382-3 
Agrostis vulgaris. 
9-37 
8-61 
14-17 
16-29 
12-11 
579-1 
429-1 
613-3 
794-9 
604-1 
Holcus lanatus. 
9-50 
8-24 
4-37 
4-74 
6-71 
587-1 
410-7 
189-2 
231-3 
354-6 
Avena elatior. 
0-08 
11-71 
13-22 
9-58 
8-64 
4-9 
583-6 
572-1 
467-5 
407-0 
A vena pubescens. 
10-64 
1-64 
0-44 
0-24 
3-24 
657-6 
81-7 
19-0 
11-7 
192-5 
Avena flavescens. 
10-05 
2-00 
0-77 
0-18 
3-25 
621-1 
99*7 
33-3 
8-9 
190-8 
Poa pratensis. 
4-06 
14-81 
19-62 
6-48 
11-24 
250-9 
738-1 
849-1 
316-2 
538-6 
Poa trivialis. 
10-18 
2-78 
1-21 
0-47 
3-66 
629-1 
138-5 
52‘4 
22-9 
210-7 
Dactylis glomerata. 
12-51 
5-44 
3-12 
4-88 
6-49 
773-1 
2711 
135-0 
238-1 
354-3 
Festuca ovina. 
4-08 
14-74 
19-80 
26-34 
16-24 
252-1 
734-7 
856-9 
1285-4 
782-3 
Festuca pratense. 
1-49 
0-25 
0-09 
0-14 
0-49 
92-1 
12-5 
’ 3-9 
6-9 
28-8 
Bromus mollis. 
2-53 
0-69 
1-74 
1-55 
1-63 
156-4 
34-4 
75-3 
75-6 
85-4 
Lolium perenne. 
3-02 
1-84 
0-57 
0-17 
1-40 
186-6 
91-7 
24-7 
8-3 
77-8 
None yielding C Phleum pratense, Aira caespitosa, Cyno-) 
1 per cent. \ Burus crlstatus.j 
0*07 
0-01 
0-01 
o-oi 
0-04 
4-3 
0‘5 
0-5 
0-5 
1-5 
Absent—Briza media, Festuca loliacea . . . 
Undetermined (chiefly Graminese). 
4 : 36 
1*61 
"i"94 
1-98 
269'5 
80-2 
84-1 
108-5 
Total. 
85-45 
82-63 
94-68 
93-42 
89 05 
5280-8 
4118-2 
4097-9 
4558-9 
4514-0 
Leguminosie. 
Trifolium repens. 
0-01 
0-01 
0‘01 
[ 
0-6 
0-4 
0-3 
Trifolium pratense. 
0-01 
o-oi 1 
0‘5 
0-1 
Lotus corniculatus. 
... 
• •• 
0-01 
o-oi. 
0-5 
0-1 
Lathyrus pratensis. 
o-ii 
0'08 
o-oi 
0-03 
”6‘8 
"i-o 
”6-4 
2-8 
Trifolium minus, Ononis arvensis . . 
... 
... 
- 
... 
Total. 
0-12 
0-08 
0-02 
0-02 
0-06 
7-4 j 
4-0 
0-8 
1-0 
3-3 
Other Orders. 
Conopodium denudatum. 
1-77 
2-49 
0‘06 
0-06 
1-09 
109-4 
124-1 
2‘6 
2*9 
59-7 
Achillea Millefolium. 
0-87 
1-91 
0-80 
0-03 
0-90 
53-8 
95-2 
34-6 
1-4 
46-2 
Rumex Acetosa ........ 
10*38 
12-61 
4'22 
5-99 
8-30 
641-5 
628-5 
182-6 
292-3 
436-2 
^Ranunculus arris, E. repens et bulbosus, Ce-' 
None 
yielding 
1 per 
cent. 
rastium triviale, Poteutilla reptans, Spiraea 
Uhnaria, Pimpinella Saxifraga, Scabiosa 
arvensis, Centaurea nigra, Taraxacum oflici- 
nale, Plantago lanceolata, Luzula campestris, 
J-4I 
0-28 
0-22 
0-48 
0-60 
87-1 
14-0 
9-5 
23*5 
33-6 
Carex prsecox, Hypnum squarrosum, H. ruta- 
„ bulum, H. hians.„ 
'Stellaria graminea, Agrimonia Eupatoria, Pote- ’ 
rium Sanguisorba, Heracleum Sphondylium, 
Absent. 
Galium Aparine, Beilis perennis, Chrysan¬ 
themum Leucanthemum, Tragopogon pra- 
| tensis, Leontodon hispidus, Hieracium Pilosella, 
Veronica Chamaedrys, Prunella vulgaris, 
... 
j 
... 
... 
... 
.... 
... 
... 
... 
Thymus Serpyllum, Ajuga reptans, Primula 
veris, Scilla nutans, Ornithogalum umbellatum. 
L Ophioglossum vulgatum. J 
Total. 
14-43 
17-29 1 
5-30 
6-56 
10-89 
891-8 
861-8 
229-3 
320-1 
575*7 
Summary. 
Graminese. 
85'45 
82-62 
94‘68 
93-42 
89-05 
5280-8 
4118-2 
4097-9 
4558-9 
4514-0 
Leguminosae. 
0-12 
0-08 
0-02 
0-02 
0-06 
7-4 
4-0 
0-8 
1-0 
3-3 
Other Orders. 
14-43 
17-29 
5-30 
6-56 
10-89 
891‘8 
861-8 
229-3 
320-1 
575-7 
Total. 
1C0-00 
100-00 
100-00 
100-00 
100-00 
6180 
4984 
4328 
4880 
5093 
