discovered or described since 1874 . 217 
22*. P. concinna, Baker, in Malesia, III, 37. Mountains of New 
Guinea, Beccari. Near P. Grijfiihii , Hook. 
22*. P. Walkeri, Baker, in Journ. Bot. 1888, 324. Borneo, 
Walker. Sent by Bishop Hose , 224, from Banggi Island, also 
off the coast of Borneo. 
29. P. heterophylla, L. P. internata, Moore, is probably a garden 
variety of this species. 
29*. P. maerodon, Baker, in Journ. Linn. Soc. XV, 414. Central 
Madagascar, Pool. 
34. P. tremula, R. Br. Var .foliosa, Moore, in Gard. Chron. 1886, 
I, 787, is a curious monstrous garden form. 
36. P. longipes, D. Don. Further material shows P. brevisora, 
Baker, No. 39, which has now been found in Zambesia, to be 
only a variety of this species, with shorter sori. 
Subgenus Poesia. 
42*. P. Radula, Baker, in Journ. Bot. 1880, 211. Mountains of 
Borneo, Beccari . Near P . scaberula , A. Rich. 
Subgenus Campteria. 
46. P. bianrita, L. P. dubia, Kuhn, in Reise Decken Bot. 71. 
Johanna Island, Hildebrandt , 1763, differs from the type by 
the want of spinules on the face and by the segments being 
sharply serrulate at their barren tips. 
48. P. triplicata, Agardh. Further material shows P. Melleri, 
Baker, No. 49, to be a form of this species. 
50*. P. oligodictyon, Baker, in Journ. Bot. 1889, 328. Central 
Madagascar. Habit of P . flabellata, Thumb, with campterioid 
veining. 
Subgenus Doryopteris. 
52*. P. eordifolia, Baker, in Journ. Bot. 1891-4. North-West 
Madagascar, Last. Near P. sagittifolia , Raddi. 
Subgenus Litobrochia. 
61*. P. acuminata, Baker, in Journ. Bot. 1891, 5. North-West 
Madagascar, Last . Near P. lanceaefolia , Agardh. 
