330 Transactions of the South African Philosopliical Society. 



Magellan, 1 in East Australia, Tasmania, and Chile, 2 in Australia 

 and New Caledonia, 1 in Queensland. 



3. Banhsiece. 

 2 genera in Australia. 



Iridace^. 



Of the 31 genera found in South Africa, 12 extend to Tropical 

 Africa. No others are found in Tropical Africa, except the American 

 genus Marica which is probably introduced. 



The following South African genera have more than local dis- 

 tribution : — 



Morcea (South Africa, Tropical Africa, Madagascar, Australia). 



Ferraria (South Africa to Angola and Ngamiland). 



Bomulea (South Africa, 2 in Tropical Africa, many in the 

 Mediterranean Eegion, a few in Central Europe). 



Aristea. (South Africa, Tropical Africa, Central Madagascar). 



Hesperantha (South Africa, 1 in Abyssinia, 1 in the Cameroons 

 Mountains). 



Geissorhiza (besides the South African species, 1 in Madagascar). 



Dierama (South Africa, mountains of Tropical Africa). 



Lapeyrousia (South Africa, and a few species in Tropical 

 Africa) . 



Watsonia (South Africa, and 1 species in Madagascar). 



Bahiana (South Africa, and 1 species in Socotra). 



Crocosmia (South-East Africa). 



Tritonia (South Africa, and 2 species on the mountains of Central 

 Africa). 



Acidanthera (South Africa and Tropical Africa). 



Gladiolus (South Africa, Tropical Africa, and a few European, 

 Mediterranean, and Oriental). 



Antholyza (South Africa and 4 species in Tropical Africa). 

 15 genera are. endemic. 



The following resume of the distribution of the order is mainly 

 after Pax : — 



I. Crocoidece. 



Two main centres of development ; the Cape and the Mediterranean 

 Eegion, the genus Bomulea common to both. 



II. Iridoidece. 



1. Morceece 



1(a). Iridincd. 

 Chief centres of development, the Cape and the Mediterranean 

 Eegion, but reaching as far as East Asia, North America, and 

 Australia. 



