discovered or described since 1874. 93 



322*. P. Thurnii, Baker, sp. n. Rhizome slender, wide-creeping, 

 densely clothed with large adpressed lanceolate brown paleae. 

 Stipe very short. Fronds simple, lanceolate-acuminate, mode- 

 rately firm, glabrous, 6-8 in. long, i-i broad at the middle, 

 cuneate at the base. Veins distinct, anastomosing copiously. 

 Sori large, globose, superficial, forming a single row midway 

 between the edge and midrib. British Guiana ; gathered by 

 Ankers 1829, and recently again by Jenman. Midway be- 

 tween P. lycopodioides and P. persicariaefolium. 



322*. P. rampans, Baker, in Journ. Linn. Soc. XV, 109. Admiralty 

 Isles, Moseley (Challenger expedition). 



327. P. normale. var. madagascariense, Baker, in Journ. Linn. 

 Soc. XV, 420. Central Madagascar, Pool. Near the Cape 

 P. Pappet, Mett. Var. sumatranum, Baker, in Journ. Bot. 

 1880, 205, connects normale and superficial. 



329. P. linguaeforme, Mett. Has been found in Borneo by 

 Bishop Hose, and the Admiralty Islands by Moseley. 



329*. P. glossipes, Baker, sp. n. Rootstock wide-creeping, with a few 

 small squarrose linear brown paleae. Stipe i J in. long. Frond 

 lanceolate or oblong-lanceolate, chartaceous, glabrous, acute or 

 obtuse, narrowed very gradually at the base, 6-8 in. long, 1^-2^ 

 in. broad. Veining as in P. myriocarpum. Sori globose, super- 

 ficial, T Vin- diam., scattered all over the frond. Mountains of 

 New Guinea, Beccari. Near P. linguaeforme, bat frond stipi- 

 tate, and narrowed gradually to the base. 



330*. P. Morgan!, Zeiller, in Bull. Bot. Soc. France, XXXII, 76. 

 Perak, alt. 3500 ft., Morgan. 



330*. P. lateritium, Baker, sp. n. Rhizome very slender, wide- 

 creeping ; paleae dense, brown, squarrose, linear-subulate. 

 Stipe erect, naked, 1-2 in. long. Frond lanceolate or ovate- 

 lanceolate, entire, rigidly coriaceous, glabrous, 1^-3 in. long, 

 \ i in. broad. Main veins erecto-patent, distinct nearly to the 

 edge, ^ in. apart, connected by irregular cross-bars. Sori 

 globose, superficial, uniseriate, 2-3 in each row. Fronds 

 when old turn brick-red. Cambodia, Godefroy-Lebeuf, 862. 

 Near P. lanceolatum. 



331*. P. campyloneuroid.es, Baker, in Journ. Linn. Soc. XX, 229. 

 Borneo; Sarawak, alt. 2000 ft., Bishop Hose, 127. 



332*. P. plebiscopum, Baker, in Journ. Linn. Soc. XV, no. 



