1924] 
HARRIS—THE INFLORESCENCE OF MANFREDA VIRGINICA 421 
The fundamental variation constants, means, standard devi- 
ations and coefficients of variation of number of flowers per 
inflorescence in the several series of materials appear in table rrr. 
These will be discussed in comparison with those for number of 
fruits per inflorescence. 
The frequency distribution of number of fruits per inflorescence 
in the 7 series of materials is shown in table rv. Series I, II + 
III, IV + V, and VI + VII have been reduced to percentage 
frequencies and are represented graphically in fig. 3 for 1906 and 
fig. 4 for 1907 
With the exception of the Meramec Highlands series for 1906, 
in which the number of observations is only 300, the frequencies 
TABLE IV 
FREQUENCY KDE I OF NUMBER OF "xn PER гелі иерлер ры 
IN 7 SERIES AND TOTAL SEEDS PRODUCED О ACH CLASS OF 
RESCENCE xx + mas IN WHICH NUMBER € OF SEEDS WAS ИТЕ" 
MINED 
J. B. 1906 | J. В. 1907 | М.Н. 1906 | М.Н. 1907 | Series | Series ене 
ІШ | VII 
Fruits II VI I IV 
f |Seeds| f |Seeds| f |Seeds| f |Seeds| f f f 
0 а NM A 5 
] 14| 428 5i ni 1 17 15 10 4 
2 427 | 28 57 985 | 24! 991 | 82 61 | 15 
3 | 165 | 5317 | 111 | 4367 | 69 | 3033 | 120 | 5138 | 145 | 105 | 37 
4 | 184 | 5807 | 172 | 5682 | 144 | 5941 8521 | 179 | 149 | 50 
5 |15 4 | 210 | 7198 | 225 | 9183 | 180 | 7399 | 183 | 152 
6 | 126 | 4130 | 210 | 7128 03 | 2 20 | 129 | 141 | 35 
ғ 74 | 196 | 6184 | 183 | 7565 1 | 8067 | 96 96 | 35 
| 96 | 3 112 | 3255 | 272 |10818 7 55 80 | 22 
) 54 | 1341 25 9317 | 171 | 6727 | 44 59 | 18 
) 50 | 2060 | 70 | 2497 | 150 12 | 100 | 3616 | 28 51 8 
3 991 | 66 | 2115 | 165 8| 44 | 1505 | 20 34 | 12 
) 24 | 566 | 48 | 1329 | 132 | 4960 | 108 | 4239 | 10 22 5 
9 |-- | — 6 | 685 | 65 | 2605 | 52 | 2028 5 22 | 4 
| — 14| 579 | 98 | 1087 | 28 | 1126 2 11 3 
y |=| = | 15 | 61] — | — 4 9] -— 
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