8 
The Plant House. —A representative named collection of local epiphytic 
orchid plants was hung in a series round two sides of the small plant house, 
the arrangement being according to the series of genera in Mr. Ridley’s 
Flora. About 45 genera are represented, the larger ones by several species, 
and it is hoped that this series of plants will give the visitor some idea of 
the range of form in the family as represented in Malaya, as well as a means of 
identifying some common species. In addition to these, there have usually 
been 20 or more species of orchids flowering in the section of the house 
devoted to flowering plants. In May there was again a particularly fine 
display of flowers of Vandopsis Lozvii, 12 plants bearing between them 39 
inflorescences. 
A small section of the large plant house, in a sunny position, was roofed 
with glass and a collection of succulent plants in pots placed in it. These 
plants were thus protected from direct heavy rain, and have grown satisfac¬ 
torily. It is hoped to extend this collection. 
Recent introductions. —The following are notes on the growth of plants 
introduced in recent years. Afgekia sericca, from Siam, flowered in Decem¬ 
ber about 18 months after planting. Argyreia Hookeri (introduced from 
Darjeeling) produced a few flowers in February, nearly two years after 
planting. It made very vigorous vegetative growth and covered a large 
section of the plant house roof. Beaumontia Murtoni , introduced from 
Siam in 1928, has grown well on the front of the plant house, but has not 
yet flowered. An old plant of Bignonia Tzueediana which last flowered 
well in September, 1927, flowered very profusely in the month of March, 
1930. Two plants of Byrsoninia crassifolia, introduced from Egypt and 
planted in 1928, made good growth and flowered frequently in 1930 but set 
no fruit. Ccesatpiniq gillicsii, introduced with the last named, grew very 
poorly, flowered once, and died; it is unsuited to the Singapore climate. 
Clerodendron Uganda use, introduced from Kew some years ago, has after 
various trials been found a satisfactory place in light shade, where it grows 
and flowers well; it will not stand the full sun. Its flowers are a very 
attractive blue colour and it should be a useful addition to our ornamental 
plants. Cryptolepis elegans, a climber introduced from Darjeeling, flowered 
for the first time in 1930. Its dowers are small and of no decorative value, 
but the foliage is pleasant. Duabanga sonncratioidcs , introduced from 
Burma in 1928, has made very rapid growth, two young trees attaining 20 feet 
in less than two years. The- trees are unfortunately not of a very ornamental 
habit. Gloriosa viresccns dowered very well, and is a great improvement 
on the more common G. superba, having larger dowers of a finer colour. 
Guaiacum officinale , introduced from Panama and planted in April, 1930, 
lias made hardly any growdh up to the time of writing. Plants are being 
tried in a new position. Three plants of Hyphcene indica planted about 
1924 have made slow but steady growth and all have now two branches. 
Pagerstreemia Loudoni from Siam, planted 1928, and L. tomentosa from 
Burma, planted 1929, have both made fairly good growth; but L. villosa , 
from Burma, has grown very poorly. All these plants are very subject to 
attack by beetles, fifaurandia semperflorens , introduced from Cambridge 
in 1930, dowered, very freely in a pot; it is now being tried in a bed. 
M. scandens grew but dowered very little. M.o no dor a angolensis from the 
Belgian Congo, planted in 1928, has grown only to 2 feet in height. Mucuna 
Krcetkei from New Guinea, said to be a very handsome species, has grown 
well during the past 3 years. It doWered slightly in February. 1930, but 
the’ dowers were poor. Nicodcmia dn/ersifolia. introduced from Bombay 
in 1929, has grown well and dowered freely. Pac/iira aquatica. from the 
Belgian Congo, planted in 1928, has grown well and dowered for the first 
time at the end of 1.930. Panax Guilfoylci, introduced from Kew, was 
planted in 1929 and has grown well; it is useful addition to our ornamental 
shrubs. Quanioclit Phoenicia is a pretty small climber which grows well 
