Issue listed 42 OSSEA challenge cups, illustrating many.
Deaths of Tan Hoon Siang and Chay Sing Hai, both past OSSEA presidents.
Prof RE Holttum’s last published article in the MOR. OSSEA register Den. Quek Kiah Huat after its late president.
Front Cover: Tainia pauciflora (photo by JB Comber).
Golden anniversary issue. ISSN No.0047-5602 used for this and all subsequent issues.