72 Baker. A Summary of the new Ferns 



Card. Chron. 1878, I, 588, fig. 68, from Madagascar, a 

 marked variety. 



2*. TT. exaltata, Schott. Clarke and Beddome both agree that 

 N. volubilis, J. Sm., should be kept up as a distinct species. I 

 cannot separate specifically the Andine N. intermedia. Sodiro, 

 Recens. Crypt. Vase. Prov. Quit. 57. 



3. N. acuta, Presl. I cannot draw any definite line between this 

 and N. exaltaia. W. Bausei, Hort. Veitch, is a fine garden 

 form, with deeply pinnatifid pinnae. N. rufescens tripin- 

 natiflda, Hort. Veitch; Card. Chron. 1887, 1, figs. 90, 91, is 

 another handsome garden form. 



Genus 46. OLEANDRA, Cav. 



3*. O. cuspidata, Baker, in Malesia, III, 44. New Guinea, Beccari. 

 3*. O. Whitmeei, Baker, in Journ. Bot. 1876, n. Samoa, 

 Whiimee. 



Genus 47*. LuERSSENlA, Kuhn. 



1. L. kehdingiana, Kuhn; Luerss. in Bot. Centralblatt, 1882, 

 III, 77. Sumatra. Sori and indusium like those of Fadyenia. 

 Fronds simple, lanceolate, rooting at the tip. 



Genus 48. POLYPODIUM, Linn. 

 Subgenus Phegopteris. 



1*. P. Krameri, Franch. et Savat. Enum. PI. Jap. II, 244 ; P. oya- 

 mense, Baker, in Journ. Bot. 1877, 366. Japan. 



1*. P. gymnogrammoides, Baker, in Journ. Bot. 1888, 229. 

 China ; Mount Omei, alt. 3000 feet, Faber. Very near P. 

 Krameri. 



8*. P. blandum, Baker; Phegopteris blanda, Fe"e, Mem. VIII, 91. 

 Mexico ; Mirador, Schaffner, 222. 



9*. P. Crossii, Baker, sp. n. Rootstock not seen. Stipe cas- 

 taneous, naked, 6-9 in. long. Frond oblong-lanceolate, bi- 

 pinnatifid, subcoriaceous, hairy only on the midribs of the 

 pinnae beneath, 8-9 in. long, 2-2 \ in. broad at the middle, 

 narrowed to the base. Pinnae lanceolate, the largest an inch 

 long, \ in. broad, cut down nearly to the rachis into oblong 



