SPICILIGIUM FILICUM PHILIPPINRNSIUM. 161 



2G. Athyrium nanum n. sp. 



Ehizomate obliquo brevi aut subrepente, foliis subfasciculatis paucis 

 (3 ad 4) stipite tenui fusco squamulis tenuissimis setulosis rufobruuneis 

 patentibus eum rhachi pubescente fere 0.5 ad 1 cm. longo, fronde lan- 

 ceolata 6 cm. longa, 7 mra. lata in longam apicem pinnatifidum prolon- 

 gata, fere usque ad basin alata et utrinque 5 aut 6 pinnis remotiusculis 

 praedita, pinnis segmentisque erecto-patentibus, 2.5 ad 5 mm. altis supe- 

 rioribus basi aequalibus integris oblongis inferioribus inaequalibus antice 

 auricuhatis subcrenatis infimis inaequalibus crenato-lobatis, puberulis, ner- 

 vis furcatis vix pinnatis, soris ca. 5 pro segmento, vix 1 mm. longis, 

 ovatis, ochraceis, indusio hmceohito rarius aspidioideo reniformi. Colore 

 laete virente, textura flaccide herbacea. 



MiNDAXAO, Lake Lanao, Canip Keithley (656 Mrs. Clemeiis) July, 1906. 

 The sniallest species of the genus known, pinnatifid and in part only simply 

 pinnate, distinguished by its rather strongly winged rachis. 



27. Athyrium drepanopteron (Kze.) Moore. Asplenium oxyjyhyllum (Wall.) 

 Hook. Polypodium drepanopteron Kze. Linnaea 23: 278, 318. Lastrea eburnea 

 J. Sm. Bot. Mag. 72 (18-46) Comp. 34. 



LuzoN, Province of Benguet, Baguio (6498 Elmer) June, 1904; found also by 

 other American collectors. 



A continental type extending from Japan to Yunnan and north India. 



28. Athyrium Benguetense n. sp. 



Ehizomate ut videtur repente aut obliquo tenui nigro, stipitibus ap- 

 proximatis paucis tenuibus stramineis 25 cm. et ultra longis, basi 

 squamulis lanceolatis brunneis 2 mm. longis sparsis vestitis, rhachi et eosta 

 puberulis, planta aliter nuda, fronde caudato-acuminata lanceolata 30 

 cm. longa 9 cm. lata basi non attenuata bipinnatifida, pinnis patentibus 

 sessilibus (costa straminea) remotis, infimis subdeflexis, ca. 25 infra 

 apicem lobatum, 5 cm. longis 16 mm. latis lanceolato-acuminatis fere ad 

 rhachin incisis, segmentis subpectinatis ca. 18 utrinque 2.5 mm. latis, 

 lineari-oblongis obtusiusculis subcrenatis aut integris, nervis 6 ad 8 

 utrinque simplicibus obliquis, soris mediis 6 ad 8 utrinque, rotundis 

 vix 1 mm. latis ochraceis, indusio tenuissimo rotundo reniformi hyalino 

 umbone obscure, mox evanido. Textura flaccida, colore atroviridi. 



Luzox, District of Lepanto, Mount Data (Lohcr) February, 1894, 2,250 m. alt. ; 

 Province of Benguet, Pauai (1948 Copeland) Xovember, 1905, alt. 2,150 m. 



By its aspidioid sori a Bryopteris, but in all other respects a true Athyrium, 

 very delicate and witli segments almost entire. 



29. Athyrium Copelandi n. sp. 



Ehizomate ramoso breviter repente crassiusculo atrato, stipitibus 

 plumbeo-stramineis basi squamis lanceolato-subulatis Ijrunneis parce ves- 

 titis, supra cum rhachi furfuraceo-squamulosis, 9 cm. longis, fronde 14 

 cm. longa, G cm. lata oblonga, basi non attonuata longe acuminata, pinnis 



