136 
myself'). As a matter of course it would have been of much 
value if the vegetation of the ruined islands before the disaster 
had been known, and secondly if we had also been supplied 
with data concerning the gradual return of the vegetation to 
those other ruined islands. Knowledge as to the former point 
is lacking. As far as we know Trysmann”) was probably the only 
explorer who visited these parts many years ago, and then col- 
lected a few plants. An account of this visit is nowhere to be 
found, though it probably took place at the beginning of his 
trip to the Western coast of Sumatra. There is indeed a detailed 
journal of this exploratiob nut in it no mention is made of the 
islands that interest us here. At the same time a few indica- 
tions are extant in Miqvet’s flora of Sumatra *) where there is a 
record of a number of plants brought by Trysmann from Kra- 
katau, Sebesy and Dwars-in-den-Weg. Mr. Backer was kind 
enough to bring these to my notice. 
From Krakatau are recorded: Dysoxylum arborescens Miq.; 
Intsia amboinensis Thouars; Loranthus pentandrus L.; Mucuna 
gigantea DC., and Viscum articulatum Burm. Only Intsia amb. 
and Mucuna gig. have thus far been found on Krakatau. From 
Sebesy only two plants are named, viz. Alangium hexapetalum 
Lmk., and Serianthus grandiflora Bth., neit! er of which have 
been found again. 
What happened with Sebesy after the eruption we only know 
from the report of a non-botanist, the geologist Verbeek, who 
makes the following statement on page 464: “Whilst in the 
regions near Krakatau everything was then (1883) absolutely 
extinct, the leafless trees in parts more distantly removed from 
Krakatau were once more beginning to sprout; so that with 
the exception of Krakatau, Sebesy and a few badly ravaged 
points of the coast, the vegetation will have completely reco- . 
vered within a year’. 
1) W. Docrers van Leeuwen, The flora and the fauna of the islands of the 
Krakatau-group in 1919. Annales du Jard. Bot. d. Buitenzorg. Vol. XXXI, 1920. 
2) J. E. TEusMann. Dagverhaal eener botanische reis over de Westkust van 
Sumatra. Natuurk. Tijdschri ift van Ned. Indié. Deel XIV. p. 241—376. 
3 Mique... Flora van Nederl. Indié. Eerste sluigintes Sumatra, zijo 
iaewed en hare voortbrengselen. 
