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EXPLANATION: In this list, we are endeavoring to do something new, and 
wherever known to us, we have inserted the name of the originator just after the 
name of the hybrid; also, where known, we have inserted the year the variety was 
introduced, and, in the case of Mr. Curt Knebel, we have given his catalog numbers 
also, since many of his plants were originally imported by number only. 
Many of the Epiphyllum flowers have a contrasting color at the base of the central, 
Gr inner, petals. This is generally called the “eye” of the flower, or when this colora- 
tion covers a large area, it is sometimes referred to as the ‘throat’ of the flower. 
IDENTIFICATION OF FLOWER FORMS... . In this new list we have attempted 
to give a ‘Bird’s Eye View” of the shape of each flower as we know this helps you 
somewhat in making your selection. It is difficult to give much descriptive matter in 
such limited space, so we have tried to select a single word which would describe 
each type of flower form. One cannot draw a distinct line of difference for each 
separate form, as each shape blends into the other and no two are actually alike. We 
have taken the three most distinctive forms and placed each variety of flower in the 
group which seems to most clearly describe it .. . sometimes one flower will actually 
fall into two different groups. 
Everyone is familiar with the ordinary kitchen funnel. This well describes many 
of the flowers whose inner petals are rather straight and stiff, with but slight curve 
either inwards or outwards at the tips. Color Plate on back cover, key on page 47: 
figures 2 and 9 illustrate the typical funnel form, figure 8 being a wide open funnel 
form. A bell describes those flowers whose inner petals flare outwards at the tips, e.g. 
figure 12 for typical bell form and figure 5 for a wide open bell . . . there are but few 
of this type. The cup describes those flowers whose inner petals are cupped at the 
tips, seemingly somewhat turned inwards. This includes probably the greatest num- 
ber of varieties. Figure 3, 4 and 11, typical cup shape. Figures 6, 7 and 10 are wide 
open cups. We use the terms ‘‘narrow,” “open,” “wide” or “wide open” to describe 
the spread of the central petals. 
A few of the Night Blooming species have what we call a cart-wheel formation, 
their petals opening flat like a daisy. Unless otherwise stated, the back petals are 
more or less loosely formed around the inner ones, but, in some instances, they do 
form a stiff ray of petals which we call a “ray” or ‘‘saucer,” e.g. figures 3 and 11 are 
“cup and saucer.’ When the outer petals are turned backwards so as to partially hide 
the flower tube, we call them “recurved.” 
The “eye” of the plant growth is the areole; that place from whence may grow 
the flower, the new growth, or sometimes the root. It is possible for all three to grow 
from the same “eye,” though not at the same time. The part of the Epiphyllum often 
referred to as the “leaf” is not actually a leaf at all, but in reality a stem or branch, 
and should be so called. 
The color we refer to as purple, is an iridescent color which ranges from cerise, 
through lavender, magenta and violet, to purple, and is almost indescribable in its 
beauty. It is almost electric and each person seems to see it as a different color—it 
actually changes color in different lights. It 1s sometimes called “electric blue” and 1s 
the nearest thing to a true blue in the entire cactus family. 
NL 
Opposite page: Upper left—Typical double cup-form with saucer of back petals, found in Callander’s Pfau, Monte- 
zuma and *Temptation. Upper right—Typical open funnel-form of Hermosissimus, genuine Dr. Houghton and *Rain- 
bow Trail. Center left—Typical cart wheel formation of such night-blooming species as Strictum, Stenopetalum and 
Guatemalense. Center right—loose bell-form of basket types Bohemienne, *Fairy Princess and *Carol Lynn. Lower 
left—open cup-form of Sunburst, the inner petals haviny been turned back by photographer to catch keauty of 
throat of flower. Lower right—open bell-form of old favorite, Vive Rouge. 
