niveum_ and confidently
expect that the progeny will bear cooler treatment, whilst their "dorsal
sepal" will be blanched. So the charming _Masdevallia Tovarensis_, warm,
white and lowly, will take to itself the qualities, in combination, of
_Mas. bella_, tall, cool, and highly coloured red and yellow, as Mr.
Cookson has proved; so _Phaloenopsis Wightii_, delicate of growth and
small of flower, will become strong and generous by union with _Phal.
grandiflora_, without losing its dainty tones.
It is worth mention that the first Flora medal offered by the Royal
Horticultural Society for a seedling--a hybrid--in open competition was
won by _Loelia Arnoldiana_ in 1891; the same variety took the first
prize in 1892. It was raised by Messrs. Sander from _L. purpurata_ x
_Catt. labiata_; seed sown 1881, flowered 1891.
And now for the actual process by which these most desirable results,
and ten thousand others, may be obtained. I shall not speak upon my own
authority, which the universe has no reason to trust. Let us observe the
methods practised in the great establishment of Mr. Sander at St.
Albans.
Remark, in the first place, the low, unshaded range of houses
devoted to hybridization, a contrast to those lofty structures, a
hundred yards long or more, where plants merely flourish and bloom.
Their span roofs one may touch with the hand, and their glass is
always newly cleaned.
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