163 
Anderson’s * Florula” contains about 100 species of ending plants, 
to which Deflers adds 70. ‘There is a considerable endemic element, 
and some very singular plants, such as „the Adenium obesum, 
Arabie name of which is said to be “ Aden? 
Perim at the mouth of the Red Sea ; the Umshah group of cor 
reefs off the coast of Abyssinia, and the fae ain rt nen 
Hallaniya, off the south-east coast of Arabia, in about 57° E. long., 
under Bris ge No record of the vegetation of i] of he 
has been fou 
ZEILA dur Berbera, and Lasgori are British stations on the African 
coast, nearly opposite 
Socotra. — This island "wt DE 12? 19' and 12? 42' N. lat, 
and between 53° 20' and 54° 30' E. long., being about seventy-two 
miles from east to west, des s rint -two in breadth. It is very 
mountainous, though the highest peaks do not much exceed 4,000 feet. 
Previous to 1880 little was known of the botany, but since that date 
Dr. Bayley Balfour and Dr. Schweinfurth have investigated it. 
uhn, M., and Nordstedt, 0. Ueber Farne und Charen der tall 
Socotra: Berichte der deutschen botanischen Gesellschaft, i. (1883), 
pp. 238-242, with woodeuts. 
, I. B. On the Island of Socotra: Report of the British 
| eme 1881. 
Balfour, I. B. The Island of Socotra and its recent Revelations: Pro- 
‘ceedings of the ¢ spen rias of Great Britain, 1883. 
Balfour, I. y of Socotra : Airpro of the Royal Society 
of Edinburgh, arri, Teas 8, pp. lxxv and 446, tt. 100. 
Dr. Balfour estimates the known seii: ‘at about 600 s species 
There are many singular plants among them, such as Dendrosicyos 
(an arboreous CucurLitacea), Adenium multiflorum, Dorstenia gigas, 
Dracena, Aloe, Euphorbia (arboreous species), put many others. 
y 
8. MAURITIUS, RODRIGUES, SEYCHELLES, AMSTERDAM, 
AND OTHER ISLANDS OF THE INDIAN OCEAN. 
esha 19° a ° E. long., with an area of 700 square ene id an 
altitude of 2 ‘900 fee t. en first settled it was covered with forest 
down to the sea shore, but very little of it now remains, and introduced 
plants have largely rep indigenous species 
all islands to the nor rthward named Gunner' Quoin, Flat 
Gabriel, Round, and Serpent, belong to Mauritius. 
Baker, J. G. Flora of Mauritius and the Seychelles. London, 1877. 
8vo. 
de abd: of indigenous flowering plants described by Mr. Baker is 
705; and the ferns and allies number 164, a higher proportion than in 
almost any other part of the world. Many of the most interesting 
endemic trees and shrubs, such as the is mein in am icy entirely 
exterminated or are now extremely rare. Here, a: e Seychelles, 
endemic species of palms and serewpines are a wt d feature in 
the sce 
