Appendices VIII and IX list the names of institutions with which exchanges 
were made in the year. These addresses indicate the world -wide nature of 
the Botanic Gardens’ relations and collaboration. 
XXV. ORCHID RESEARCH 
48. During the year 87 hybrid pods were harvested from the Gardens 
collection; 27 pods of known parentage were accepted from Singapore growers, 
10 from Malaysia and 48 from England. Of these 172 pods, 121 gave viable 
seed. The number of flasks now under culture is over 2,400. The seedlings 
of 798 flasks were removed for potting. The flask culture medium continued 
to be, as previously, Vacin’s formula, 10 per cent coconut water, banana pulp 
and peptone. 1,669 seedlings were potted on from the seedling houses to be 
grown in the open and more than 3,000 plants were transferred from Orchid 
Nursery I to beds in Orchid Nursery II. 
49. As usual, plants in prime bloom were displayed in the public section 
of the Orchid Nursery. More than 100 plants were constantly maintained 
on view, and these were changed weekly. 
50. The following hybrid families were registered: 
BGS. 1841 — Vanda Ling (V. Kapoho x V. insignis). 
BGS. 1883 — Dendrobium Mohamed Nur (D. Ursula x D. Alice Spalding) 
named in honour of the late Haji Mohamed Nur bin 
Mohamed Ghous, Herbarium Assistant, Botanic Gardens, 
Singapore. 
BGS. 2173 Dendrobium Ngadiman (D. trilamellatum x D. schulleri) 
named in honour of the late Inche Ngadiman bin Haji 
Ismail, Plant Collector, Botanic Gardens, Singapore. 
BGS. 2196 Aranda Bintang (A. hookeriana var. Luteola x V. tatzeri). 
BGS. 2197 — Vanda Yiong (V. Kapoho x V. Tatzeri). 
BGS. 2233 — Aranda Tourism Singapura (V. Kapoho x A. breviscapa) 
named and registered on behalf of the Singapore Tourist 
Promotion Board. 
BGS. 2302 — Vanda Kupu-kupu (V. Ruby Prince x V. Ellen Noa). 
BGS. 2502 — Dendrobium Sri Temasek (D. Indonesia x D. Champagne), 
m recognition of an old historical name for Singapore. 
BGS. 2521 — Vandaenopsis Catherine (V. Norbert Alphonso x Phal. 
denevei). 
BGS. 2654 — Arachnopsis Napier (Arnps. Eric Holttum x Phal. denevei ) 
named in honour of William Napier, an early Merchant 
of Singapore who owned at one time a part of the land 
now the Singapore Botanic Gardens. 
BGS. 2684 — Vanda Bellasan (V. Rubella x V. sanderiana). 
BGS. 2694 — Dendrobium Sujatha (D. Brown Curls x D. trilamellatum). 
BGS. 2910 — Renantanda Lily Josephine Wong (V. Kapoho x Ren 
cocci nea). 
BGS. 2924 — Dendrobium David Wu Dah Wei (D. mirbellianum x D 
Mustard). 
51. Plants of fifty orchid species in the species collection flowered 
during the year and were duly identified. 4,400 sprays of blooms were supplied 
for State banquets and Government functions. 
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