24 
Flora of Tropical Africa.—The resumption of the publication of 
this work at the request of the Marquis of Salisbury was 
announced in the Kew Bulletin for 1894 (pp.17, 18). In the 
meantime descriptions of new species collected by various 
travellers have been published in the Bulletin in — a: 
under the title of Diagnoses a næ. Of these ten number 
have appeared, including 599 new species. 
The first part of the continuation was issued in December last, 
with the following preface 
The last of the three Vublihed volumes of the Flora of 
T une " yt ica appeared in 1877. Since then our knowledge of 
the vegetation of this region has increased very greatly. Large 
tracts dn were unexplo red regn t, a that date have yielded 
numerous and copious collect In resuming the work it has 
therefore been found peius 1o more Boss define the regions 
into which Professor Oliver divided the whole area. In attempt- 
ing this, advantage has been taken as far as possible of political 
boundaries, since they saat of incl Terognition. The regions 
may now be briefly defined as follo 
1. Upper Guinea.—The Western Coat à region from the mouth 
of the Senegal river to the southern boundary of the Cameroons. 
It contains practically the whole of the Niger basin. It is 
bounded on the north by a line stretching from the mouth of the 
Senegal river to Lake Chad ; on the east by the 15th parallel of 
East MH dae to its intersection with the southern boundary of 
the Cameroons, which bounds it to the south. It includes also 
the REP of Fernando 
2. North Central. This iin the Sahara. It is bounded to 
the north by the Tropic of Cancer; on the west by the Atlantic ; 
on the east by the 26th parallel of East Pag ag on the sou uth 
by the | Upper Guinea region and the Congo Free State. 
3. Nile Land.—The Nile basin. It is Eoisdid to the west by 
the 26th parallel of East longitude; to the east by the Red Sea 
and the Indian Bt to the south by the Congo Free State and 
German bey Afri 
4. Lower nint, —— The Western MN. region from the iain 
EA ra of the Cameroons to t Tr ropic of Caprie 
It contains the lower course of the Con do, and is bonded. to Abe 
east by the Congo n State, the river Kwango, and the 20th 
vindi] of East longitu 
5. South Central. Gol mpr ises the Congo Free State, Lunda and 
eder re West Africa, east of the 20th parallel of longitude 
(Lo 
6. Mozambique.—The East Coast from the I sepi of 
German East Africa to the Tropic of Capricorn. It includes 
Portuguese East Africa and British territories 18 P Tro m 
As public interest 18 largely centred in the Petaloid Monocoty le- 
dons of Tropical Africa, inasmuch as they lend themselves most 
readily to cultural dores A has been thought advisable to deal 
with these.in the first in 
For the geographical yen the following map has been chiefly 
used :—Spezial-Karte von Afrika. Gotha: Justus Perthes. 1885. 
The preface to the completed volume will enumerate the most 
important sources of the material upon which it has been based. 
