222 C. SKOTTSBERG 



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

 form inhabitint^ Chile; see 62. 16. 



l)ickso7iia Lllcrit. 24; i Mex., 3 Centr. Amer. to Colomb., i Ecuad.-Braz., 2 Peru; 

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

 I Mji-Sanioa. 



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

 related not to the Andean group but to I), laiiaia Col. from X. Zeal. CllRlST 

 {■,-9.154) further cjuotes as relatives 1). antarctica Labill. (Austral.), Bluffiei {)^zt) 

 Moore (Indones., Philij)p.), gnvidis Ros. (X. Guin.) and species from X. Caledonia 

 and the South Sea islands. 



Polypodiaceae. 

 Cvstopii-ris Bernh. 15; i boreal, 10 Ind.-China, Japan, X. 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). 

 />';-)Yy'/r;7> Adans. Sens u C. Chr. about 1 200 sp.; s. str. Coi'KLANl) about 150; "an 

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

 a study of distribution" (Coi'KLAXD 6g). 



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

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

 extends south to CUiile. 

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



berterianum (Colla) C. Chr. Xear P. adiantiforrnc Eorst., spread through the 

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



I'i'stituni (k'orst.) I'resl coll. S. Amer. (also Chile), Austral., X. Zeal. 

 Artliyoptcris ]. Sm. About 20; j)alaeotrop., recorded from trop. Afr., north to Arab.; 

 Madag., Australas., north to l^hilipj). Is.; Xew Caled., Fiji, Samoa; best developed 

 X. (iuin., X. Caled. and Madag. 



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

 Asplciiiii))! L. 650-700; cosmopolitan. 



obliquiiDi Eorst. var. cJioidrophyllum (Bert.) Mett. Typical obliqutwi reported 

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



tnacrosorutn Bert, ex Colla. Distantly related to neotrop. sp.; see 62. 23. 



stellatutn Colla. Belongs to the pantrop. ///;/;^/<r? /;/;;/ group; see ^2. 24. 



day f aides Desv. (magcllanicum Kaulf.). S. Chile, Eueg., Ealkl. Closely related 

 to A. alrarczciise Rudm. Ikown of Diego Alvarez (Tristan da C); see 61. 13. 

 lUiilniuui L. 180-200; essentially southern. 



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

 to //. anstralc L. (S. Afr.). 



raldinioisc C. Chr. Chile, south to Chiloe. Related to B. lanccolaium (R. Br.) 

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



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

 IC. Austral., Polyn.) and nieridejise (Kaulf.) C. Chr. (trop. Amer.); see 62. 27. 



