68 
FLORA OF ADEN. 
Species. 
Limits towards 
— 
Notes. 
West. 
East. 
40 
Dipcadi erythrseum 
Egypt . 
Sind 
41 
Hyphgene thebaica • fc • 
» • • 
Arabia 
42 
Cyperus effusus .... 
Upper Egypt . 
S. Arabia 
Also in Socotra. 
Not in Sind. 
43 
Cyperus cruentus 
» » 
Baluchistan 
44 
Panicum turgidum . . * 
Egypt . 
Gujarat . 
Also in Palestine 
and Socotra. 
Aristida brachypoda . 
Upper Egypt . 
S. Persia 
4b 
Aristida paradisea 
Egypt 
S. Afghanistan 
47 
Aristida hirtigluma 
Tunis . 
Punjab . 
48 
Desmostachya bipinnata 
Egypt . 
Burma . 
49 
Aeluropus villosus 
? 
W. India, Cey- 
lon. 
Also in mediterr. and 
Caspian region. 
Of the 49 species 22 have their eastern limit in Arabia, 2 are found 
in Persia, and 25 in India (including Baluchistan). 
5. The fifth group, forming of the total number of Aden plants, 
consists of 50 species which are characteristic of the N. African-Indian 
desert. The following list shows their distribution. It will be seen that 
15 species find their eastern limit in Arabia, 2 in Persia, whilst 33 belong 
also to the Indian flora. 
Species belonging to the N. African-Inclian Desert. 
Species. 
Limits towards 
Notes. 
West. 
East. 
1. 
Oocculus Cebatha • 
Cape Verd Islands 
Punjab, Gujarat 
Also in Socotra. 
2 . 
Diplotaxis pendula . 
Morocco , 
S. Persia . . 
Also in Spain. 
3 . 
Maerua crassifolia . 
Senegambia 
S. Arabia. 
4. 
Cadaba farinosa 
Senegambia , 
)> 
5. 
Polycarpaea fragilis , 
Algeria . 
33 
6. 
Potnlaca quadrifida 
Lower Guinea . 
India. 
7 . 
Grewia populi folia . 
Senegambia 
W. India, Ceylon 
JL 
Corcborus antichorus 
Cape Verd Islands 
Deccan. 
