discovered or described since 1874. 107 



9*. A. Miersii, Baker, sp.. n. Rhizome short ; paleae dense, lan- 

 ceolate, brown, membranous, crisped. Stipe of sterile frond 

 1-4 in. long. Sterile frond lanceolate, acuminate, subcoria- 

 ceous, naked, 6-8 in. long, an inch broad at the middle, 

 narrowed to the base and apex ; edge horny ; veins ascending, 

 distinct, moderately close. Fertile blade lanceolate, an inch 

 longj. Rio Janeiro, Miers. 

 9*. A. beccarianum, Baker, in Malesia, III, 27. Sarawak, Borneo, 



Beccari. Near A.flaccidum. 



9. A. flaccidum var. stipitatum, Baker, in Journ. Bot. 1887, 26. 

 Costa Rica, Cooper. 



10*. A. macrorhizum, Baker, sp. n. Rhizome thick, woody ; paleae 

 dense, lanceolate, acuminate, brown, membranous, crisped. 

 Stipe of sterile frond 5-6 in. long. Sterile frond lanceolate, 

 very thin, quite naked, 1^-2 ft. long, 1^-2 in. broad at the 

 middle, narrowed to the base and apex, edge scariose, distinct. 

 Veins distant, distinct. Fertile frond linear, under a foot long, 

 under an inch broad. Rio Janeiro, Miers. 



10*. A. castaneum, Baker, in Journ. Bot. 1877, 166. Andes of 

 Ecuador, Sodiro. New Granada, Kalbreyer. 



11*. A. borneense, Burck, in Ann. Jard. Bot. Buitenzorg, IV, 98. 

 Borneo, Teuscher. Not seen. Near A. Norrisii and melano- 

 stictum. 



16*. A. pallidum, Baker, in Journ. Bot. 1879, 263. Mountains of 

 Jamaica, Jenman. 



19*. A. maximum, Baker, sp. n. Stipe straminous. Sterile 

 frond oblong-lanceolate, acute, subcoriaceous, glabrous, \\ ft. 

 long, 5-6 in. broad ; veins indistinct, close, rather ascending, 

 casually anastomosing. Fertile frond not seen. Andes 

 of New Granada, Paton. Like latifolium on a large 

 scale. 



19*. A. versatile, Sodiro, Recens. Crypt. Vase. Prov. Quit. 76. 

 Andes of Ecuador, Sodiro. Near A. latifolium. 



19*. A. subsessile, Baker, in Journ. Bot. 1884, 143. North-east 

 Madagascar, Humblot, 568. 



19*. A. madagascariense, Kuhn, in Hildebr. Plant. Madag. Exsic. 

 No. 4167. Madagascar, Hildebr andt. Near A. latifolium. 



21. A. melanopus, Kunze. I cannot distinguish specifically the 

 Mexican A. attenuatum, Fe*e. 



