S* Ying Tsiang 
Botanical Institute 
Sun Yatsen University 
290 & 314 Ma Tau Wei Road 
Kowloon, Hongkong 
Telephone 58282 
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Dr. R. S. Holttum, Director, 
Botanic Gardens, Singapore, S. S, 
July 27, 19 39. 
Dear Dr. Holttum: 
I have just returned from a field trip in 
Yunnan. Your two letters regarding the loaned specimens of 
4 
Gesneriaceae were transferred to Professor Woon-Young Chun, 
Director of this Institute. In the hope that he will reply 
you personally. 
With best thanks. 
Yours sincerely, 
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