1348 
MESSRS. J. B. LAWES, J. H. GILBERT, AND M. T. MASTERS, 
Table LXXII. — Number of 
Species, Percentage, Quantity per Acre, &c., of 
Potass, and 2000 lbs. 
Number of species, and proportion 
per cent. 
Quantity per acre. 
1862. 
1867. 
1872. 
1877. 
Mean. 
1862. 
1867. 
1872. 
1877. 
Mean. 
Number op 
Species. 
Gramines.. 
14 
15 
15 
14 
14 
Leguminosae. 
3 
2 
3 
0 
2 
j" 
Other Orders. 
13 
8 
10 
8 
10 
Total. 
30 
25 
28 
22 
26 
... 
Gramineai. 
p. c. 
p. c. 
p. c. 
p. c. 
p. c. 
lbs. 
lbs. 
lbs. 
lbs. 
lbs. 
Anthoxanthum odoratum . . . 
0-69 
1-89 
0-42 
0-33 
0-83 
43-7 
112-8 
29-1 
20-5 
51-5 
Alopecurus pratensis .... 
3'36 
4-53 
5-89 
6-78 
5-14 
210-2 
274-8 
388-7 
419-8 
323-4 
Agrostis vulgaris. 
12-02 
20-34 
13-44 
13-40 
14-80 
753-3 
1243-3 
927-7 
841-2 
941-4 
Holcus lanatus. 
5-35 
4-70 
2-71 
4-57 
4-33 
339-1 
280-7 
195-1 
286-6 
275-4 
Avena elatior. 
0-42 
2*49 
9-17 
11-08 
5-79 
26-1 
147-6 
647-7 
696-9 
379-6 
Avena pubescens. 
5-48 
0-59 
0-14 
0-02 
1-56 
340-1 
35 - 5 
io-o 
1-2 
96-7 
Avena flaveseens. 
4-84 
4-27 
1-72 
0-56 
2-85 
306-3 
258-8 
123-0 
35-9 
181-0 
Poa pratensis. 
3-91 
10-25 
11-44 
10-09 
8-92 
243-6 
612-4 
772-3 
629-5 
564-4 
Poatrivialis. 
11-83 
6-68 
2-11 
0-64 
5-31 
749-2 
412-0 
154-7 
39-9 
338-9 
Dactylis glomerata. 
27-88 
20-28 
43-05 
40-75 
32-99 
1765-4 
1240-6 
3090-7 
2565-1 
2165-4 
Festuca ovina. 
2-27 
6-82 
3-60 
3-57 
4-06 
142-6 
406-2 
237-4 
222*2 
252-1 
Festuca pratensis .... . . 
3-88 
0-57 
0-05 
0-03 
1-13 
245-8 
34-7 
3-3 
**1-6 
7P4 
Lolium nerenne. 
2-75 
1-21 
0-16 
o-u 
1-06 
175-4 
73-3 
11-3 
6-8 
66-7 
None yielding < 
1 per cent, i 
r Phleum pratense, Aira caespitosa, Cyno*) 
1 surus cristatus, Bromus mollis . . . J 
0-63 
0-09 
o-u 
o-u 
0-24 
39-8 
4-7 
7-5 
6-5 
14-7 
Absent. . . 
Briza media, Kestuea lobacea . . . 
... 
Undetermined (chiefly Gramineae) 
5*12 
1*61 
1-38 
2-03 
325-5 
98-0 
96-2 
129-9 
Total. 
90-43 
86-32 
95-39 
92-04 
91-04 
5706-1 
5235-4 
6694-7 
5773-7 
5852-5 
LeGUMINOSjE. 
Trifolium repens. 
0-04 
0-03 
o-oi 
0-02 
2-1 
1-8 
0-3 
1-0 
Trifolium pratense. 
003 
o-oi 
o-oi 
1-6 
0-8 
... 
0-6 
Trifolinm minus. 
HI 
... 
Lathyrus pratensis. 
0-23 
0-09 
6*29 
... 
6""l5 
14-5 
*5-4 
19*2 
9-8 
Ononis arvensis. 
... 
... 
... 
... 
Lotus comiculatus. 
o-oi 
o-oi 
"6-4 
o-i 
Total. 
0-30 
0-12 
0-32 
0-19 
18-2 
7-2 
20-7 
11*5 
Other Orders. 
Conopodium denudatum . . . . . 
1-99 
8-04 
0-66 
1-02 
2-91 
125-6 
487-1 
46-6 
63-6 
180-7 
Achillea Millefolium. 
1-34 
1-46 
0-63 
o-oi 
0-85 
83-6 
89-2 
4P9 
0-6 
53-8 
Rumex Acetosa. 
5-48 
3-86 
2-73 
6-84 
4-71 
346-7 
233-3 
188-7 
433-1 
300-4 
'Ranunculus acris, 11. repens et bulbosus, Stellaria' 
None 
yielding 
graminea, Cerastium triviale, Potentilla rep- 
tans, Pimpinella Saxifraga, Heracleum 
Sphondylium, Anthriscus sylvestris, Galium 
verum, Centaurea nigra,Taraxacum oflicinale, 
Plantago lanceolata, Veronica Chamaedrys, 
Primula veris, Scilla nutans, Luzula cam- 
pestris, Carex prsecox, Hypnum squarrosum, 
„ H. rutabulum, H. hians._ 
'Agrimonia Eupatoria, Poterium Sanguisorba,' 
Galium Aparine, Scabiosa arvensis, Beilis 
perennis, Chrysanthemum Leucanthenmm, 
Tragopogon pratensis, Leontodon hispidus, 
0-46 
0-20 
0-27 
0-09 
0-30 
27*8 
11-8 
17-4 
5-0 
15-6 
1 per 
cent. 
Absents 
* 
... 
... 
... 
... 
... 
... 
Hieracium Pilosella, Prunella vulgaris, 
Thymus Serpyllum, Ajuga reptans, Ophio- 
_ glossum vulgatum.. 
Total. 
9-27 
13-56 
4-29 
7-96 
8-77 
583-7 
821-4 
294-6 
502-3 
550-5 
Summary. 
- • Gramineae .. 
90-43 
86-32 
95-39 
92-04 
91-04 
5706-1 
5235-4 
6694-7 
5773-7 
5852-5 
Leguminos®. 
0-30 
0-12 
0-32 
0-19 
18-2 
7‘2 
20-7 
11-5 
Other Orders. 
9-27 
13-56 
4-29 
7-96 
8-77 
583-7 
821-4 
294-6 
502-3 
550-5 
Total. 
100-00 
100-00 
100-00 
100-00 
100-00 
6308 
6C64 
7010 
6276 
6414 
