t'LORA ARABIC A. 
473 
Distrib. : Also found in Europe, Asia Minor, Syria, Kurdistan, 
Persia, Afghanistan, India, Burma, Malacca and Manchuria. 
3. N. marina L. Sp. PI. ed. I (1753) 1015, var. Ehrciibergii A. Br. 
in Journ. of Bot. II (1864) 275. 
Habitat : 11. Yaman (ex Rendle). 
Distrib. : Arabia, Tunis, Socotra. 
4. ZannichelBia Mich, ex L. 
I. Z. palustris L. Sp. PI. I (1753) 969. 
Habitat : I. Arabia Petraea. 
Distrib. : Cosmopolitan species wanting only in Australia but found 
in New Zealand. 
5. Ruppia L. 
1. R. rostetlata Koch ex Reichb. Ic. PI. Grit. II, 66. 
Habitat : I. Tor ex aqua subdulci thermarum (Ehrenb. !). 
Distrib. : Common in brackish waters. In almost all temperate 
and subtropical countries. 
%. R. maritima L., var. spiralis (L.) Aschers. in Boiss. FI. Or. V 
(1884) 18. 
Habitat : I. Near el Tor (Schimp. 219 !). 
Fr. : March 1835 (Schimp.). 
Distrib. of type : Temperate and tropical regions. 
6. Potamogeton (Tourn.) L. 
1. P. uatans L. Sp. PI. I (1753) 126. 
Habitat : III. Dhofar Mts., Derbat Lake, 240 m. (Bent 211 !). 
Distrib. : A widely dispersed plant, found in nearly all temperate 
climates. 
P. natans L., var. serolinus Boiss. FI. Or. V (1884) 16. 
Habitat : I. Arabia Petraea (ex Muschler). 
Distrib. : Distribution of t}^. 
3. P. pusillus L. Sp. PI. I (1753) 183. 
Habitat : II. Northern slopes of Jebel Shibam, above Menacha 
2,500-2,600 m. (S. 1674 ! 1963). 
Distrib. : Almost cosmopolitan. 
4. P. Preussii A. Benn. in FI. Trop. Air. VIII (1902) 222. 
Habitat : II. Arabia, Yaman (Defl.). 
Distrib. : Tropical Africa, Arabia. 
