20 6 Baker,— A Summary of the nezv Ferns 
3*. Adi ant um Peareei, Philippi, in Linnaea, XXXIII, 304. 
Andes of Chili, Pearce. Near A. pumilum, Sw. Not seen. 
3*. A. Gravesii, Hance, in Journ. Bot. 1875, 197 = A. Mariesii, 
Baker, in Gard. Chron., N. S. XIV, 494. Central China, 
Lamont , Maries . Simply pinnate frond like dwarf lunulatum ; 
segments like those of monochlamys. 
3*. A. ruizianum, Klotzsch. ; Hook. Sp. Fil. II, 10. Stipe naked, 
castaneous, 6-9 in. long. Frond lanceolate, simply pinnate, 
6-8 in. long, 2-2 1 in. broad, firm, glabrous. Pinnae 1-1J 
in. broad ; end one deltoid ; side ones suborbicular, broader 
than long ; lower margin straight ; all the rest crenate ; petiole 
of lower pinnae J-i in. long. Sori orbicular, placed all round 
the pinnae except the base. Peru, Pavon. Near A. grossum, 
Mett., but pinnae smaller, with longer stalks, and sori and 
indusia orbicular. Described from a type specimen kindly 
lent by Mr. H. C. Levinge. 
5*. A. amelianum, Glaziou; Baker, in Journ. Bot. 1882, 309. 
South Brazil, Glaziou , 12,280. Doubtfully distinct from A. 
rhizophytum , Schrad. 
7*. A. Kaulfussii, Willd. and 8, A. obliquum, Willd. are best 
considered as two varieties of A . platyphyllum , Sw. 
12*. A. Glaziovii, Baker, in Journ. Bot. 1882, 309. South Brazil, 
Glaziou , 13,345. Intermediate between intermedium and 
obtusum . 
13*. A. Steerei, Harringt., in Journ. Linn. Soc. XVI, 34. Pona 
Cocha, Andes of Peru, Sleere. 
15. A. diapbanum, Blume. A. heteromorphum, Colenso ; Field, 
Ferns New Zeal. 80, is a variety, and I cannot separate 
specifically A. polymorphum and A. tuberosum, Colenso, 
in Trans. New Zeal. Instit. 1888, 215-217. 
15*. A. monosorum, Baker, in Hook. Ic. tab. 1633. Solomon Isles, 
Herb. Macleay. 
16*. A. Hosei, Baker, in Journ. Bot. 1888, 324. Borneo; pendu- 
lous on limestone cliffs, Sarawak, Bishop Hose. Near 
affine. 
16. A. affine, Willd., var. intermedium, Benth., FI. Austral. VII, 725, 
Queensland and N. S. Wales, differs from the New Zealand 
type by its transversely oblong sori ; var. chathamicum , Field, 
Ferns New Zeal. 81, Chatham Island, is less compound than 
