EXPLORATION OF ADEN. 
n 
“ Lunt's 1 notes and collections," says Hogarth, “ served to supple- 
ment and check the valuable paper on Hirsch's specimens, contributed by 
Schweinfurth." But we have not been able to find Schweinfurth's paper. 
W, S. Birdwood, 1897, 1898, — By far the most complete collection of 
Aden plants is the one made by Colonel and Mrs. W .S. Birdwood. Two 
collections were received at Kew, one in July 1897 and the other in 
August 1898. The specimens are admirably prepared and well preserved. 
A complete set of Bird wood's plants is kept in the Herbarium of the 
Bombay Natural History Society. It is from this collection that I 
compiled a list of Aden plants in 19 07. 2 
0. Simony, 1898, 1899. — Oskar Simony belonged to an Austrian 
scientific expedition to Southern Arabia and Socotra, undertaken in the 
year 1898 and 1899. Of his botanical collections, as far as they include 
Aden, nothing has been published up to now, except the Lichens, which 
were described by J. Steiner in the “ Denkschriften der Wiener 
Akademie, 1907. " 3 
Simony's collection of phanerogamic plants is being worked out by 
Yierhapper. Part 1, describing the vegetation of some islands 
(Semha etc.), was published in the same “ Denkschriften ” of 1907 4 ; 
Part II is announced to contain the plants of Southern Arabia, including 
Aden, whilst Part III will be devoted to the discussion of general 
results. 
Ellenbeck, 1899, — Dr. Ellenbeck accompanied the expedition of 
Baron von Erlanger to Somaliland. Before their immediate departure 
for that country they visited Aden in December 1899. Ellenbeck 
gathered 65 specimens of plants which are preserved in the Botanical 
Museum of Berlin. 5 
Marie Hein 1900-01. — Dr. Wilhelm Hein and his wife made a stay 
of several weeks in Aden preparatory to their tour to Kishin. Frau 
Dr. Hein kindly informed me that during that time she devoted her 
attention to the one surviving Frankincense-tree near the Tanks, 
because Professor von Wettstein had expressed his wish to have a few 
flowers of that plant. But it was only after their departure that the 
X W. Lunt, born 1871, died at St. Kitts, West Indies, 3rd January 1904 (Cf. Journal, 
Kew Guild 1904, p. 208-209). 
2 Blatter, E. : The Flora of Aden. Journ. Bomb. Nat. Hist. Soc., Vol. 17, p. 895-920 a, 
Vol. 18, p. 54-68. 
3 Steiner J. : Bearbeituug der von O. Simony 1898 und 1899 in Siidarabien, aut 
Sokotra und den benachba.ten Inseln gesammelten Flechten. Penkschr. Wiener Ak. Yol. 71 
(1907), p. 93-102. 
4 Vierhapper: Beitrage zur ivenntnis der Fiora von Sudarabien, Sokotra, Semha 
upd Abd el Kari. Erster Teil. Denksohr. Wiener Ak. Vol. 7l (1907), 170 pp., 17 pi. 
5 Krause : 1. c.. p. 8. 
