2 8. A Sui)i)lenient to the Pteridophytes and Phanerogams 

 of Jnan Fernandez and Easter Island (Xos. i, 2, 5 and 7). 



By 



C. SKOTTSBERG. 



With Plates 55 — 57 and i Text figure. 



In order to bring the taxonomical papers on the P'erns (nos. i and 2) 

 and Flowering Plants (nos. 3 and 7), published in this volume in 1920 and 

 1922, up to date, the following notes were compiled. Some collections have 

 been made in Juan Fernandez after our visit which I have been allowed to study 

 and which gave occasion to a number of small papers. In the New York 

 Herbarium I was able to examine the plants collected by J. ChaI'IX in Easter 

 Island in 1935. The species brought by the Franco-Belgian Mission to that 

 place in 1934 have been quoted, where there was reason to do so ("M. Fr.-B."), 

 from the papers by A. GuiLLAUMlN, and others. In some instances I have found 

 it necessary to take up again questions of a taxonomical nature, which eventu- 

 ally resulted in a change of name or position, or both. 



Species already enumerated in this volume, under the same or under another 

 name, are cited under their old number. Xew additions to the flora are marked 

 by an asterisk. 



I. C. CHRISTEXSEX and C. SKOTTSBERG. The Pteridophyta of the 

 Juan Fernandez Islands. 



II. Hymenophyllum rugosum C. Chr. & Skottsb. 1.13. 

 Add Masafuera: abo\e O. del X^aradero, c. 950 m. 



14. Hymenophyllum plicatum Kaulf. 1S24. H. dichotovnim, C. Chr. & 

 Skottsb. i. 14 non Cav. — • H. djchotomiim Cav. is probably a Philippine species, 

 quite distinct from the Chilean one (Christensen, Ind. Fil. suppl. III). 



Add Masafuera: O. Loberia in forest, 280 m. 



Dicksonia externa nov. spec. D. Berteriana (Colla) Hook. var. virgata C. 



Chr. & Skottsb. i. 17. 



The differences between D. Berterimia of Masatierra and var. virgata of 

 Masafuera are so conspicuous that it seems more correct to regard them as 

 specifically distinct. 



51 — 516710. The Xat. Hist, of Juan Fernandez and Easter Isl. Vol. II. 



