PHANEROGAMS — PROFESSOR BAYLEY BALFOUR. 253 



1. DIGERA. 



Digera, Forsk. Fl. Sgypt. Arab. 65 ; Benth. et Hook. Gen. PI. iii. 28. 



A monotypic genus widely spread in the tropics of Asia and Africa. 



D. arvensis, Forsk. Fl. iEgypt. Arab. 65 ; Moq. in DC. Prod. xiii. 2, 324. 



D. alterrdfolia, Aschs. in Schweinf. Flor. iEthiop. 180 ; Boiss. Flor. Orient, iv. 994. 

 Dcsviochceta muricata, "Wight Ic. t. 732. 



Soeotra. At Tamarida. Schweinf. n. 700. 



Distrib. Of the genus. 



The leaves in the Socotran specimen are rather wider above the middle than 

 is the case in the Arabian and north African specimens, and it is also of a 

 more pubescent character. 



2. AMARANTUS. 



Amarantus, Linn. Gen. n. 1060 ; Benth. et Hook. Gen. PI. iii. 28. 



A considerable genus of wide range in both the old and new worlds, many of 

 the species being common weeds of cultivation. 



1. A. (Euxolus) Blitum, Linn. Sp. 1405 ; Moq. in DC. Prod. xiii. 2, 263. 



Albersia Blitum, Kth. Flor. Berol. ii. 144, ex Boiss. Flor. Orient, iv. 991. 



Soeotra. Near habitations, common. B.C.S. n. 649. 

 Distrib. Cosmopolitan. 



2. A. (Euxolus) polygamus, Linn. Amoen. iv. 294 ; Wight Ic. t. 714. 



Uuxoltcs polggamus, Moq. in DC. Prod. xiii. 2, 272. 



Albersia polygama, Kth. Flor. Berol. ii. 144, ex Boiss. Flor. Orient, iv. 991. 



Soeotra. Occasional. B.C.S. n. 725. Schweinf. n. 686. 

 Distrib. Tropical Africa and Asia. 



Our Socotran specimens sIioav fruits rather larger and more coarsely ribbed 

 than is usual. 



3. PUP ALIA. 



Pupalia, Juss. in Ann. Mus. Par. ii. (1803), 132 ; Benth. et Hook. Gen. PI. iii. 31. 



A small genus of three or four species which inhabit the tropics of Asia and 

 Africa. 



P. lappacea, Juss. in Ann. Mus. Par. ii. (1803), 132 ; Moq. in DC. Prod, 

 xiii. 2, 331 ; Ach. Rich. Tent. Flor. Abyss, ii. 217 ; Boiss. Flor. Orient, iv. 995 ; 

 Franch. Sert. Somal. in Miss. Revoil 59. 



Desmochccta xanthioides, A. Br. in Flora 1841, 285, t. 2, A. 



Soeotra. On the plains at Galonsir. B.C.S. n. 7. 



Distrib. Across tropical Africa, and through Arabia to the east Indies. 



