discovered or described since 1874. 113 



Subgenus Chrysodium. 

 108*. A. modestum, Baker, in Journ. Linn. Soc. XXII, 231. 



Sarawak, West Borneo, Bishop Hose, 159. Near A. Wallii, 



Baker, of Ceylon. 

 108*. A. phanerodictyon, Baker, in Henriq. Cat. PL St. Thorn. 32, 



tab. 4, fig. C. Island of St. Thomas, West Tropical Africa, 



Moller. Near A. minus and lanceolatum. 

 109*. A. Rawsoni, Baker, sp. n. Rootstock erect; basal paleae 



small, dense, linear, dark brown, crisped. Stipe of sterile 



frond 67 in. long, fragile, naked, pale brown. Sterile frond 



simple, lanceolate, membranous, glabrous, 6-8 in. long, i-i| in. 



broad, rounded to a cuneate base. Areolae copious, without 



free included veinlets. Stipe of fertile frond \ ft. long ; blade 



linear, 6-7 in. long, |- in. broad, with enrolled edges. Grand 



River, Mauritius, Sir Rawson Rawson, gathered in 1853. 



Habit of A. lanceolatum ; veining different. 

 110*. A. antrophyoides, Baker, in Journ. Linn. Soc. XXII, 231. 



Malang, Sarawak, Bishop Hose, 162. 

 111*. A. gillianum, Baker, in Journ. Bot. 1882, 310; Hook, Ic. t. 



1693, Brazil; province of Minas Geraes, Glaziou, 13341. 

 115. A. bicuspe, Hook. Has now been found in New Guinea. 

 118. A. pandurifolium, Hook. Has been found by Father 



Sodiro in the Andes of Ecuador. 

 122*. A. Humblotii, Baker, in Journ. Bot. 1884, 144. North East 



Madagascar, Humblot, 300. Near A. blumeanum, Hook. 



Subgenus Hymenolepis. 



129. A. spicatum, Linn. A very curious Hymenolepis has been 

 sent by Sir F. von Mueller from the New Hebrides. It shows 

 no structural difference from this species, but the leafy part 

 of the frond is only 2-3 in. long and the apical fertile \-\ in., 

 resembling the spike of Eleocharis palustris. 



Subgenus Photinopteris. 



132*. A. Thomson!, Baker, in Journ. Linn. Soc. XV, in. Ad- 

 miralty Isles, Moseley (Challenger expedition). 



Genus 61. PLATYCERIUM, Desv. 



1*. P. andinum, Baker, n. sp. Habit of P. alcuorne, but the sterile 

 frond much larger, 2-3 ft. long, and the fertile frond 6-10 ft. 



