104 BOTANY OF SOCOTRA. 



2. AIZOON. 



Aizoon, Linn. Gen. n. 629 ; Benth. et Hook. Gen. PI. i. 854. 



A small old world genus of species mostly African, but occurring also in 

 south Europe and western Asia. One is Australian. 



A. canariense, Linn. Sp. 700 ; DC. Prod. iii. 453 ; Oliv. Flor. Trop. Afr. 

 ii. 584 ; Boiss. Flor. Orient, ii. 765 ; Clarke in Hook. Flor. Brit. Ind. ii. 659. 



Soeotra. Common on the plains. B.C.S. n. 56. Schweinf. n. 349. 



Distrib. From the Canary Islands, through tropical Africa and Arabia, to 

 Scindh. Also at the Cape of Good Hope. 



3. TRIANTHEMA. 



Trianthema, Linn. Gen. n. 537 ; Benth. et Hook. Gen. PI. i. 855. 



A small genus of tropical and subtropical regions, chiefly of the old world, 

 but occurring also in the West Indies. 



T. pentandra, Linn. Mant. 70 ; DC. Prod. iii. 352 ; Oliv. Flor. Trop. 

 Afr. ii. 588 ; Boiss. Flor. Orient, ii. 766 ; Clarke in Hook. Flor. Brit. Ind. ii. 660. 



Soeotra. Near Tamarida. B.C.S. n. 63. Schweinf. n. 367. 

 Distrib. Tropical Africa, Persia, and north-west India. 



4. ORYGIA. 



Orygia, Forsk. Flor. ^Egypt. Arab. 103 ; Benth. et Hook. Gen. PI. i. 856. 



Monotypic, the species being widely spread in warmer Africa (north and 

 south), Arabia, Scindh, and India. 



O. decumbens, Forsk. Flor. ^Egypt. Arab. 103 ; DC. Prod. iii. 455 ; 

 Boiss. Flor. Orient, i. 755 ; Oliv. Flor. Trop. Afr. ii. 589 ; Clarke in Hook. Flor. 

 Brit. Ind. ii. 661. 



Orygia mueronata, Klotzsch in Peters' Mossamb. 140, t. 25. 



Soeotra. Common on the plains of Galonsir, Hadibu, and elsewhere. 

 B.C.S. n. 297. Schweinf. n. 521. 



Distrib. Pretty widely spread in tropical Africa, the Cape of Good Hope, 

 in Beloochistan, Scindh, and India. 



5. MOLLUGO. 



Molhigo, Linn. Gen. n. 106 ; Benth. et Hook. Gen. PI. i. 857. 



A small genus common in the warmer regions of both the old and new 

 worlds. 



M. hirta, Thunb. Flor. Cap. 120 ; DC. Prod. i. 391 ; Clarke in Hook. 

 Flor. Brit. Ind. ii. 662. 



M. Glinus, Ach. Rich. Tent. Flor. Abyss, i. 48 ; Oliv. Flor. Trop. Afr. ii. 590. 

 Glinus lotoides, Linn. Sp. 663 ; Sibth. Flor. Grrec. t. 472 ; Boiss. Flor. Orient, i. 755. 



