176 E. B. Copeland: 



veniilis transversalibus arcuatis, coiispicuis connexis; areolis 

 majoribus re^ularibiis in minores irregiilares vemilas Jiberas 

 includentes divisis; soris praecipiie in series dua inter vena.s 

 primarias instructis; indiisio iiiillo vcl fiigaci. 



NegTOs Isl., near the (iimugon River, mi the ground in 

 the woods (Ccpeland no. 82). 



Cum A. vasto Blume nee uon Polypodia dilataio Wall 

 similitudinem habot; in utrocjue genere species nova. 

 2. Aspidium (Areyptcris) lamaoensc Co])oland n. sj). Khizoniate 

 adsccndonte; stij)ite 15 — 25 cm alto, recto, ad basin paleas 

 lanceolatas parvas ferente, sursum costisquc minute fibrillosis; 

 fronde 15 — 25 cm longa, deltoidea, plerum([ue trifoliata; pinna 

 apicali 10 — 15 cm longa, saepius deltoidea, profunde tripartita, 

 parte mediali 2 — 3 cm lata, acuminata, Integra, herbacea, 

 glabra, segmentis lateralibus proximis, 6 — lOcmlongis; pinnis 

 lateralibus brevi-petiolulatis, ca. 10 cm longis, furcatis, seg- 

 mentis inferioribus distantibus; venis primai'iis marginem vix 

 attingentibus ; areolis venulas liberas includentibus; soris co- 

 piosis irregulariter dispersis, orbicularibns vol elongatis, nun- 

 (juam indusiatis, laete rubris. 



Luzon Isl., Prov. Bataan, near the Lamao River, on 

 stones in a brook (Copeland no. 223). 



Ob colorem sororum egregium. Pinua apicalis rarius in- 

 tegra; vel inter earn et laterales furcatas utrimpie pinua integra 

 interposita. 

 3. Aspidium (Arcypteris) Wliitfordi Copeland n. sp. Rhizomate 

 subcrecto, brovissimo, dense s(juamoso; stipite 20 — 30 cm alto, 

 deorsum fusco, paleis linearibus vestito, sursum stramineo- 

 brunneo, glabro; fronde 30--40cm longa, deltoidea, acuminata, 

 ])apyracea, glabra, olivaecolore, pagina superiore venulis albidis 

 laete reticulata; j)arte apicali pinnatifida, segmentis late cre- 

 natis et obscure serratis; pinnis libcris utrinque ca. 6, erecto- 

 patentibus, acuminatis, lanceolatis, plus minus '/.^ ad costam in 

 lobis oblongis obtusis intcgris vel serratis pinnatifidis, inferioril)us 

 petiolidatis, infimis dcltoideis cum j)innula una basisco])ica libera 

 8 cm longa pinnae superiori simili ; venulis laxe anastomosautibus, 

 liberis inclusis carentibus; soris orbicularibns vcl oblongis, irre- 

 gulariter ads])crsis nee costae ai)proximatis, exindusiatis. 



Luzon Tsl., Prov. Bataan, near the Lamao River, 500 

 m. s. m. ("WiuTroKU n. 201). 



