DERIVATION OF THE FLORA AND FAUNA 207 



Myyteola Herg. 12, Colomb.-Chile. 



)i!iiiii)iuliu ia (I'oir.) Her^. Chile, Cord. Linares to Fueg., Falkl. 

 Nothoniyrcia Kausel. A monotypical genus, related to Chilean genera. 



fernandeziana (Hook, et Arn.) Kausel. 



Myrccugenia Herg. About 40; trof). Andes, S. Braz. (many sp.) and about 20 in 

 Chile, south to Chiloe. 



Schulzei Johow. Related to J/. f^la)iipcs (Hook, et Arn.) Herg (S. Chile). 



Gunneraceae. 



Gioniera L. About 30 sp. Subgen. Pangue, 16 sp. Costa Rica, Colomb.-S. Chile, 

 Magell., Braz.; Hawaii 2 sp., but some more, of doubtful ta.xonomic status, have 

 been described. Other subgenera in the Andes of Colomb. to Chile, south to 

 Fueg. and F"alkl.; Urug.; S. and Centr. Afr.; Malays.-Philipp. Is.; X. Zeal., Tasm. 



peltata Phil, and Masqfuerae Skottsb. related to Andean sp. 



bracteata .Steud. Seems to come closer to the Hawaiian G. kauaieiisis Rock 

 than to S. Amer. species. 



Haloffhagidaceae. 



HalorrJiogis Forst. About 80, the great majority Austral. -X. Zeal., single sp. 

 scattered north to Indonesia, Philipp. Is., China and Japan, and east to Rapa 

 and J. Fern. 



asperrima Skottsb., masatierrana .Skottsb. and masafuerana Skottsb. belong 

 to Subsect. Ccrcodia and are closely related to H. erecta (Murr.) Schindl. (N. Zeal.) 

 and other Austral, and N. Zeal. sp. All J. Fern, forms were formerly incorrectly 

 identified with erecta. 



Umbelliferae. 



Centella L. 29; 19 Afr., Madag., i China, 2 Austral., 5 trop. Amer. and the 

 widely dispersed C. asiatica (L.) Urb. 



triflora (Ruiz et Pav.) Xannfeldt. Centr. and S. Chile, formerly included under 

 asiatica. Introduced.' 



Eryngiuui L. About 230, in all parts of the world, but with two centres: W. Eur.— 

 Medit. and trop.-subtrop. Amer. Poor!}- represented in X. Amer. and Australas. 



bupleuroides Hook, et Arn., inaccessum Skottsb. and sarcophyllum Hook, 

 et Arn. form a special sect. Fruticosa, but differ mainly in being arborescent from 

 the species occurring on the mainland. 

 Apiiim L. About 30; in all parts of the world. 



fernandezianum Johow. A well-marked species, probably not nearly related 

 to the Chilean species, but showing some affinity to A. prostratuni Labill. (Austral.) 

 or ausirale Thouars (Tristan da C.) 



Ericaceae. 



Periiettya Gaud. About 12, 6 or 7 Mex. and Centr. Amer. and along the Andes 

 to Fueg. and Falkl.; i Galapag. Is., 2 X. Zeal., 2 Tasm. 

 rigida (Bert.) DC. A well-marked sp. {2j2). 



