PHANEROGAMS— PROFESSOR BAYLEY BALFOUR. 301 



1. N. major, All. Flor. Ped. ii. 221 ; Kunth Enum. iii. 112 ; Boiss. Flor. 

 Orient, v. 27. 



N. muricata, Delile Fl. ^Sgypt. 137, t. 50, f. 1 ; Boiss. Flor. Orient, v. 27. 



Soeotra. In streams near Galonsir. B.CS. n. 732. Sehweinf. n. 709. 

 Distrib. Over the whole world. 



2. N. (Caulinia), graminea, Delile Fl. ^Egypt. 138, t. 50. f, 3; Kunth 

 Enum. iii. 115; Boiss. Flor. Orient, v. 28. 



Soeotra. In streams near Gharriah. B.CS. n. 731. 

 Distrib. Old world. 



Order LXXXI. CYPERACE.E. 



A very large order of moisture-loving herbs found all over the world. The 

 five Socotran genera have all a wide distribution in tropical countries. 



1. CYPERUS. 



Cyperus, Linn. Gen. n. 66 ; Benth. et Hook. Gen. PI. iii. 1043. 



A vast genus of tropical lands, a few species reaching temperate climates. 

 In Soeotra it is represented by thirteen species. Of these, five are widely 

 spread tropical ones, seven are old world tropical, though one of them is repre- 

 sented on the island by a distinct variety, the other species is an Arabian one, 

 though by some it is regarded merely as a variety of one of the widespread 

 old world species. 



1. C. (Pycreus) pumilus, Linn. Amoe n. Acad. iv. 302; Kunth Enum. ii. 4. 

 var. patens, Benth. Flor. Aust. vii. 258. 



C. nitens, Vahl, var. patens, Bcklr. in Linnaea xxxv. 484. 



Soeotra. On the Haghier hills. Not common. B.CS. n. 475. Sehweinf. 

 n. 592. 



Distrib. Of the species — through tropical Africa and Asia. Of the 

 variety — tropical Africa and Australia. 



2. O. (Juncellus) lsevigatus, Linn. Mant. ii. 179; Bcklr. in Linnsea xxxv. 

 486; Rottb. Descr. et Ic. PI. 19, t. 16, f. 1; Boiss. Flor. Orient, v. 366. 



Soeotra. About Galonsir, abundant. B.CS. n. 27. Sehweinf. n. 779. 

 Distrib. Moist sandy places all through the tropics. 

 The Socotran plants have the glumes all pale coloured. 



