discovered or described since 1874. 303 
50*. A. Poolii, Baker, in Journ. Linn. Soc. XV, 416. Central Ma- 
dagascar, Pool. 
53. A. Vieillardii, Mett. New Caledonia. Very variable in cutting. 
I place as varieties A. sehizodon, Moore, in Gard. Chron. 
1871, 1004; A. apieidens, Moore, in Gard. Chron. 1881, I, 
267 ; and A. Baptistii, Moore, in Gard. Chron. 1881, I, 235. 
See also var. facile, Moore. 
54*. A. Moorei, Baker, n. sp. Stipe long, green, naked. Fronds 
oblong-deltoid, simply pinnate, moderately firm, glabrous, 
a foot long and broad. Pinnae multijugate, lanceolate, dis- 
tinctly petioled, serrated, the lowest \ ft. long, an inch broad 
at the base, cuneate on the lower side. Veins distinct, forked, 
very ascending. Sori J-f in. long. Indusium narrow, firm, 
persistent, glabrous. Solomon Isles, Chas. Moore. Between 
A. Vieillardii and lucidum . 
56*. A. pachysormn, Baker, in Journ. Bot. 1891, 4. North-West 
Madagascar, Last. Very near the West African A. longicauda, 
Hook., of which Kalbreyer has found a bipinnate variety. 
64*. A. Hancoekii, Maxim. Mel. Biol. XI, 868. Formosa, Han- 
cock. Differs from A. lunulatum by vestiture, entire pinnae, 
and sori reaching from midrib to margin. 
65*. A. Mannii, Hilleb. FI. Hawaii, 594. Sandwich Isles, Seemann , 
2240, Hillebrand. Near A. per sicifolium^ J. Sm. 
65*. A. Steerei, Harringt. in Journ. Linn. Soc. XVI, 28. Mount 
Mahayhay, Philippines, Steere. 
70. A. eultrifolium, L. I cannot separate specifically A. puluia- 
huae, Sodiro, Recens. Crypt. Vase. Quit. 33, from the Andes 
of Ecuador. 
77. A. contiguum, Kaulf, w&Y.jissum, Moore, in Gard. Chron. 1881, 
267, is a subbipinnate variety, and Paralleloneuron Neitneri, 
Hort., a still more deeply cut form of this species. I have not 
seen A. Knudsenii and nitidulum, Hilleb. FI. Hawaii 601. 
81*. A. Balfourii, Baker, n. sp. Stipes 6-9 in. long, clothed 
throughout with lanceolate, brown paleae, with a pale margin. 
Fronds oblong-lanceolate, simply pinnate, 2-3 ft. long, 8-9 
in. broad, moderately firm, glabrous : rachis scaly throughout. 
Pinnae lanceolate, serrated especially towards the tip, 4-4 1 
in. long, an inch broad, cuneate on the lower side at the base ; 
lower gradually smaller. Veins distant, erecto-patent, forked. 
