C. SKOTTSBERG 



Terence between the plants of Masatierra and Masafuera) is certainly unlike the 

 form inhabiting Chile; see 62. 16. 



Dicksonia L'Herit. 24; i Mex., 3 Centr. Amer. to Colomb., i Ecuacl.-Braz., 2 Peru; 

 I St. Helena, i Malays., 4 N. Guin., 2 Austral.-Tasm., 3 N. Zeal., 3 N. Caled., 

 I Fiji-Samoa. 



berteroana Colla and externa Skottsb. are very near each other and closely 

 related not to the Andean group but to D. lanata Col. from N. Zeal. CiiRlST 

 (jp. I 54) further quotes as relatives D. antarctica Labill. (Austral.), Bhiniei^z^ 

 Moore (Indones., Philipp.), grandis Ros. (X. Guin.) and species from N. Caledonia 

 and the South Sea islands. 



Polypodiaceae. 

 Cvstoptcris Bernh. 15; i boreal, 10 Ind.-China, Japan, N. Zeal., 2 Eur., i S. Braz. 



fragilis (L.) Bernh. coll. A wide-spread, polymorphous sp., found in all parts 

 of the world (83° n. lat. to S. Georgia) except Australia. The form occurring on 

 Masafuera presumably related to a form from the mainland {62. 18). 

 Diyojyteris Ada.x\s. Sens u C. Chr. about 1200 sp.; s. str. Copp:land about 150; "an 

 assemblage of genera that must be segregated in their entirety before of use for 

 a study of distribution" (COPELAND 69). 



inaequalifolia (Colla) C. Chr. Belongs to a neotrop. group and comes nearer 

 to tropical forms than to the south Andean 7). spcctabilis (Kaulf.) C. Chr., which 

 extends south to Chile. 

 PolysticJium Roth. About 225; widely spread, numerous in E. As. 



berterianum (Colla) C. Chr. Near P. adiantifoDJie Forst., spread through the 

 S. temp, zone, north to W. Ind. 



vestitiim (Forst.) Presl coll. S. Amer. (also Chile), Austral., N. Zeal. 

 Arthropteris]. Sm. About 20; palaeotrop., recorded from trop. Afr., north to Arab.; 

 Madag., Australas., north to Philipp. Is.; New Caled., P^iji, Samoa; best developed 

 N. Guin., N. Caled. and Madag. 



altescandens (Colla) J. Sm. Closely related to Pacific forms {62.21). 



Asplejiiiini L. 650-700; cosmopolitan. 



obliquum Forst. var. cliondrophylliivi (Bert.) Mett. Typical obliquuni reported 

 from S. Chile, Austral, and N. Zeal. 



macrosorutn Bert, ex Colla. Distantly related to neotrop. sp.; see ^2.23. 



stellatum Colla. Belongs to the pantrop. liDiulaUim group; see (5.?. 24. 



dareojdes Desv. (magellanicum Kaulf.). S. Chile, P^ueg., P'alkl. Closely related 

 to A. alvarezense Rudm. Brown of Diego Alvarez (Tristan da C); see (5j. 13. 

 Blechmim L. 180-200; essentially southern. 



auriculatuni Cav. Temp. S. Amer., common in Centr. and S. Chile and related 

 to B. australe L. (S. Afr.). 



valdiviense C. Chr. Chile, south to Chiloe. Related to B. lanceolalinn (R. Br.) 

 Sturm from Austral, and N. Zeal. As regards the nomenclature, see i6g. 54, and 



249- 764- 



Schottii (Colla) C. Chr. Stands near B. aitoiuatiim (Willd.) C. Chr. (S. Afr., 

 E. Austral., Polyn.) and merideiise (Kaulf.) C. Chr. (trop. Amer.); see ^.?. 27. 



