discovered or described since 1874. 73 



segments T V in. broad, with incurved edges. Veins 5-6-jugate, 



simple, erecto-patent. Sori round, medial. Andes of Loxa, 



Cross. Habit of JV. conterminum. 

 10*. P. Lechleri, Baker P. laevt'gatum, Baker, in Syn. Fil. edit. 



2 55- Peru, Lechler, 2628. The name laevt'gatum used 



previously. 

 11*. P. sylvicolum, Baker, in Journ. Bot. 1881, 205. New 



Granada, province of Antioquia, Kalbreyer, 1807. 

 13*. P. omeiense, Baker, in Journ. Bot. 1888, 229. China; Mount 



Omei, Fader, 1059. 

 15*. P. hydrophilum, Baker; Phegopteris hydrophila, Fe'e, Fil. 



Ant., tab. 1 3, fig. 3. Guadeloupe. Further specimens gathered 



by MM. L'Herminier and Maze" show that this is quite distinct 



from P. germanianum. 

 15*. P. euchlorum, Sodiro, Recens. Crypt. Vase. Prov. Quit. 58. 



Andes of Ecuador, Sodiro. 

 15*. P. demeraranum. Baker, in Trans. Linn. Soc. ser. 2, Bot. II, 



290. Mount Roraima, im Thurn. Habit of Nephrodium 

 diplazioides and pachyrachis. 



17*. P. roraimense, Baker, in Trans. Linn. Soc. ser. 2, Bot. II, 



291. Mount Roraima, im Thurn. Habit of Gymnogramme 

 diplazioides. 



17*. P. Thomson!, Jenman, in Journ. Bot. 1886, 272. Jamaica, 

 Jenman. Habit of Nephrodium conterminum. 



18*. P. tuberculatum, Baker; Nephrodium tuberculatum, Cesati, 

 Fil. Becc. Polyn. 4. New Guinea; Mount Arfak, Beccari. 



18*. P. Percivalii, Jenm. in Herb. Guian. No. 2080. British 

 Guiana, Jenman, 2080. Near P. rude and decussatum. 



19. P. decussatum, Linn. I cannot separate specifically P. velu- 

 tinum, Sodiro, Recens. Crypt. Vase. Prov. Quit. 59, from the 

 Andes of Ecuador. 



19*. P. dentatum, Baker, n. sp. Stipe i| ft. long, brown; paleae 

 lanceolate. Frond oblong-deltoid, bipinnatifid, green, gla- 

 brous, 2 ft. long ; rachis brown, scaly : pinnae lanceolate, the 

 lowest the largest, 6-8 in. long, 1^-2 in. broad, cut down 

 to the rachis into lanceolate dentate segments \-\ in. broad. 

 Veins io-i2-jugate, simple, arcuate, ascending. Sori round, 

 medial. Andes of Ecuador, Sodiro. Near P. rude and 

 decussatum. 



