154 
fertile a:ignstiore, mox desiccante, pinnis ca. 11 cm. longiB, 2-3 mm. latis, 
patentibus. 
Luzon, Lepanto, Bagiien, 1,000 m. s. m., Copeland 1924. 
Near F. cuplilehia Melt., Init larger, witli more numerous and closer pinna-, 
entire except near the point. 
Plagiogyria pycnophylla (Presl) Mett. 
Luzon, Province of Lepanto, Mount Data, Copeland 1854 a. Both the typical 
plant and the var. reinota grow here. 
J Plagiogyria pycnophylla var. mixta Copel. n. var. 
Pinnularum fertilium plenimque apicilttis dilatatis sterilil)us. 
Luzon, Lepanto, monte Data, 2,000 m. s. m., Copchuul 1S54. 
Plagiogyria stenoptera (Hanee) Diels. 
JmzoN, Province of Lepanto, Bagnen, Copeland 1025. 
Formosa. 
ADIANTUM Linn. 
J Adiantum mindanaoense Copeland n. sp. 
Rhizomate brevi-repentc, 5 mm. crasso, radices copiosissimas emittente ; 
stipitibiis confertis, 25-40 can. altis, deorsum paleis nitido-fuseis lineari- 
snl)ulatis vestitis, sursnm glabris, atro-fuscis; rhacliibns infra glabris, 
,su])ra pilis miniitis dense pnbescentibus ; fronde deltoideo-ovata, 25-40 
can. alta, 20-30 cm. lata, acnrainata, tripinnata; pinnnlis nltimis glabris, 
papyraceis, brevi-pedicellatis, dimidiatis, 15-18 mm. longis, 7 mm. altis, 
obtnsis, rliacbin secns trnncatis, apicibus niinnte dentatis, marginibns 
acroscopicis lente lobatis ; soris in pinnnla c[iiaqne ca. 6, in lobis solitariis, 
lobos fere complentibns, reniformi-snborbicnlaribus ; sporangiis ad et 
inter vennlas orsis. (Tab. 10.) 
Mindanao, Zamboanga, San F\o.mon, ^opieland 1734. Ad terrain, 1,050 in. s. in. 
Nearest A. aneitense Carrnthers, from which it differs chiefly in the short and 
stout rhizome. 
jAdiantum spencerianum Copel. n. sp. 
llhizomate snbnullo, paleis lanceolatis, 3 mm. longis; stipitibns con- 
fertis, 2-15 cm. altis, pnrpureo-nigris, nitidis, pedibns paleis tennibns 
2 inm. longis deciduis vestitis; fronde 7-17 cm. alta, vel longiore et 
radicante, 1-2.5 cm. lata, pinnata; pinnis proximis, fere sessilibus, basibns 
obliqnis cnneatis, plenimque acntis, interdnm falcatis, margine acrosco- 
pica Integra vel rarins leviter incisa, recta vel vix cnrva, margine rhachis- 
copica excisa, glabra, papyracea ; vennlis liberis, ineonspicnis ; soris latis, 
continnis vel interrnptis. (Tab. 11.) 
Luzon, Benguet, Lutab, Copeland 1844, 1843; Adouay, Copeland 1832. Ad 
aggeres huniidos, 1,000 in. s. m. 
Very near the Indian A. edgeworthii Hooker, from which, however, it seems 
sufficiently different in the obscure venation and curiously cuneate bases of the 
usually acute ])inn:e. It varies greatly according to the illumination. It bears 
the name of my several-times host. Rev. Irving Spencer. 
