discovered or described since 1874. 95 



340*. P. xiphias, Baker ; Pleopeltis xiphias, Moore, in Card. Chron. 



1888, I. 331. Southern Polynesia, introduced into cultivation 



by Bull. Near P. membranaceum and heterocarpum. 

 341*. P. millisorum, Baker, in Journ. Linn, Soc. XV, 109. Little 



Kei Island, Moseley (Challenger expedition). Near P. irioides, 



Lam. 

 342. P. musaefolium, Blume. Has now been found in Perak by 



Scortechini and in New Guinea by Beccari. 

 348*. P. subhastatum, Baker, in Journ. Bot. 1889, 177. West 



China: province of Hupeh, Henry, 5450. 

 349*. P. deltoideum, Baker, in Journ. Bot. 1888, 230. West China : 



Ichang, Henry, 3279. 

 349*. P. Engleri, Luerss. in Engler Jahrb. 1883, 361. Japan, 



Doderlein. Not seen. 

 352*. P. (Dipteris) quinquefurcatum, Baker, in Journ. Linn. Soc. 



XXIV, 269. West Borneo, Bishop Hose. Near P. btfurcatum, 



Baker. 

 354*. P. hemitomum, Hance, in Journ. Bot. 1883, 369. Canton, 



Rev. B. Henry (Hance herb. 22,404). A doubtful species. 



The cutting looks abnormal, and there are no sori in Dr. 



Hance's type specimen, now at the British Museum. 

 354. P. leucosporum, Klotsch. I now regard this an abnormal 



more or less deeply pinnatifid form of P. lanceolatum, our 



No. 314. 

 355*. P. pentaphyllum, Baker, sp. n. Rhizome wide-creeping, 



woody, \ in. diam. ; paleae small, sparse, lanceolate-acuminate. 



Stipe naked, an inch long. Frond above a foot long, mem- 

 branous, green, glabrous, simple in the lower half, forming 



a mere wing to the rachis, deeply pinnatifid in the, middle ; 



lobes distant, linear-lanceolate, \-\ in. broad; veins fine, 



anastomosing, copious. Sori minute, scattered. Philippines, 



Walh's. Texture and sori of P. tenuilore. 

 355*. P. glaucopsis, Franchet, in Bull. Soc. Bot. France, 1885, 29. 



Yunnan, Delavay. Near P. trifidum, Don. 

 355*. P. quinquefidum, Baker, in Journ. Bot. 1880, 216. Mount 



Singalan, Sumatra, alt. 5000-6000 ft., Beccari. Very near 



P. trifidum. 

 355*. P. senanense, Maxim, in Bull. Imp. Acad. Petersb. XII, 571. 



Japan, Tschonoski, Hancock. Very near P. trifidum. It 



