HEPOUT OX YAEIOUS MA^s'UKES AT ClllSWrCIC. 
51 
runners were 9 inches in length, the tap-root woody, a foot in 
length. 
Box 4s. Runners 2 inches long. Tap-root 8-9 inches long. 
Box 5. Eunners numerous. Tap-roots 8-9 inches in length ; 
fibres more numerous than in the others. 
Box 6. Tap-root a foot long. 
The plants in these boxes showed a greater range of individual 
variation as to the number and length of the runners (prostrate 
branches) and roots than in most others. The state of the root 
in April and of the plant in October presented comparatively 
slight divergences, and may be thus indicated : — 
1 
2 
3 
4 
5 
6 
Hoot 
h 
a 
d 
c 
/ 
e 
Plant 
a 
h 
c 
e 
/ 
d 
X. Flantago lanceolata. 
Box 1. Plants caespitose, uniform. Leaves tufted. Stock very 
short. Main root tap-shaped, woody, 10-11 inches long. Secondary 
fibrils numerous, descending, branched, 4-5 inches long, espe- 
cially abundant towards the upper portion, concealing the central 
root. 
Box 2. Plants uniform. Similar to 1, and but little, if at all, 
more vigorous. 
Box 3. Plants uniform. More vigorous than 2. Eoots 14- 
16 inches long ; fibrils very numerous, 4-5 inches long. 
Box 4, Plants uniform. Eather less vigorous than 3. Eoots 
16 inches long. 
Box 5. The most vigorous of all, both as to the condition of 
the main root and the number of fibrils. The former averaged 
15-16 inches in length. 
Box 6. Eather inferior to 4. Main root 14-16 inches long; 
fibrils less numerous than in 4 and 5. 
The plants and roots in April, in boxes 3, 4, and 6 were nearly 
equal; and but little difference could be seen between them. 
The same equality of proportion is manifest when the condition 
of the plant in October is compared with that of the root in 
April, as in the following diagram : — 
1 
2 
3 
4 
5 
6 
a 
h 
c 
d 
/ 
c 
Plant 
h 
a 
c 
d 
/ 
e 
