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MISSOURI BOTANICAL GARDEN BULLETIN 129 
The hybrids recently imported from England are likewise 
coming into bloom. The large-flowered Brasso-Cattleya 
‘‘Penelope’’ has three flowers, each measuring eight inches 
across. It is easily recognized by its extraordinary large 
fringed lip. An unusual color combination of yellow petals 
and purple lip is presented by the Laelio-Cattleya luminosa 
var. aurea now in bloom. Mimicry is well shown by the but- 
terfly orchid (Oncidium Papilio and P. Kramerianum) from 
the West Indies and Brazil, a group of which is displayed 
upon a tree stump. A large number of the lady’s slipper 
orchids are also shown in variety. These are not as popular 
as the more highly-colored cattleyas, being regarded by the 
layman more as a curiosity. However, to the connoisseur their 
variety and form are intensely interesting. The late D. S. 
Brown made these plants his specialty, bringing together the 
best varieties from all parts of the world. His entire collec- 
tion was presented to the Garden in 1919. 
A series of hand-colored photographs which were taken 
during the Colombian expedition are displayed, depicting 
the orchid as it grows in its native habitat, the difficulties of 
transporting them by mule back, raft, ete., and their final 
arrival at the Garden. 
PROTECTING ROSES FROM FROST INJURY 
Inquiries are being received at the Garden again this year 
about protecting roses for the winter. We sometimes think 
that the Middle-West suffers more from extremes in tem- 
perature than other parts of the country. To a certain ex- 
tent it does, but if we follow the temperature readings from 
year to year we are impressed with the fact that the sudden 
changes from mild to cold and the reverse are usually quite 
general. Further north there is more snow, which is a good 
protection if it precedes a cold wave, but that natural pro- 
tection is frequently missing in this region. Some of our 
winters are so mild that protecting material is a detriment 
rather than a help to the plants. So, from year to year, we 
must be governed by existing conditions. 
