(Source: Flora Malesiana ser. 1,
1: Cyclopaedia of collectors)
Collected living orchids in Deli, Sumatra East Coast (1897)
and in N. Sumatra too, which he sent to Hort. Bog.; some
preserved in Herb. Bog. [BO].1
(1) cf. J.J. Smith
in Icon. Bogor. t. 119 B, 122 A.