122 MR. J. SCOTT ON THE FUNCTIONS AND STRUCTURE OF THE 
In the first line of the above table I have given the results 
from a single scape, each flower of which was artificially fertilized 
by own pollen ; in the second and third lines we have the results 
of the reciprocal crossings of flowers on distinct individuals ; and 
lastly, for the sake of comparison, I have simply restated the 
results of the unions with own pollen, and given the united results 
of the reciprocal unions. If we compare the average of seeds per 
capsule, we see that the unions with own pollen give an average 
of four seeds per capsule over those in the second line of the 
table—fertilized by pollen from a distinct individual; the scape, 
however, which yielded the latter was very weak, so that it affords 
avery unfair estimate of the normal fertility of the species under 
the above treatment. A more just idea of the relative fertility 
of flowers fertilized by own pollen and those fertilized by that 
from a distinct individual may be formed by comparing the re- 
sults of the first and third line of the table, these being the results 
of two equally healthy scapes. Now, in this case we see that 
those flowers fertilized by pollen from a distinct individual give an 
average of twenty-six seeds per capsule over those fertilized by 
own pollen. The most important fact, however, shown in the 
above table is the increase in the number of good capsules pro- 
duced by those flowers fertilized by other’s pollen as compared 
with those fertilized by own pollen. Thus, from eighteen flowers 
of the latter, treated by own pollen, eight capsules set, but of 
these only three contained good seeds; whereas from the same 
number of flowers of the former, treated by other’s pollen, thirteen 
capsules set, twelve of which were well filled with good seeds: 
so that the treating with other’s pollen exceeds that by own pollen 
in the proportion of four to one! 
He who will carefully study these observations and experiments 
on P. verticillata will see those conditional peculiarities of the 
generative system which I have ascribed to a functional dimor- 
phic quality. He will also see, however, by comparing the re- 
sults of experiments in 1862 with those of 1863, that the in- 
dividual and reciprocal—i, e. hermaphrodite and diecious—fune- 
tional relations of the male and female organs are much too 
capricious to permit of their assignment to any definite law; 
they are yet, as it were, mere tracings, or, rather, indications of 
a tendency to become functionally dimorphic. Apart from the 
evidence afforded by the low percentage of good capsules pro- 
duced from fertilization by own pollen relatively to that from the 
reciprocal fertilization of distinct individuals, this, I think, 1s 
