1G5 
Polypodium flexilobum Clirist in Acad. Mans. Geog. Bot. 1S!)4, p. 107. 
Luzon, Province of Bataan, Lainao, Copeland 220, det. I)y CHirist. Minuanao, 
Davao, Todaya, Copeland. Not very distinct from F. elUplicum Tliunb. 
DRYOSTACHYUM d. Sin. 
Dryostachyum splendens J. Sm., Hooker’s Journ. Bot. 3: 330; 4; 02; Copeland, 
Polypod. Phil. Ids., 134. 
Fronde deorsum in alam scariosam limniferam latani fere ad rliizoui- 
atem protracta. (Tab. 26, 27.) 
Luzon, Cuming 87. Mindanao, Copeland 1285. 
Dryostachyum pilosum J. Sni., Schkuhr. (D. splendens Diels in Nat. Pflnfam. I, 
4: 327, Fig. 170.) 
Fronde deorsum in stipitem brevem attenuata, nec enim scariosa; rhiz- 
omate ca. 5 mm. crasso. 
Luzon, Cuming 90; Mindanao, San Ramon, 200 m. s. m., Copeland 1666. 
This has generally been regarded as not distinct from D. splendens J. Sm., 
and if Hooker ^ had been correct in assuming that they differed only in pubescence, 
he would have been well justified in combining them. But the base of the frond 
is entirely different. B. splendens is a much larger and stouter fern, forming 
“nests,” the basal part of the frond being a hard, brown humus receptacle. 
Cuming’s specimens in the herbarium of the Bureau of Science, Manila, do not 
show quite the whole frond of either species ; but they are sufficient for the 
positive identification of my Mindanao plants of both. 
Both species have apparent articulations just above the attachment to the 
rhizome; but I strongly suspect, especially in the case of D. splendens, that this 
articulation is merely a vestigial structure, and that D. drynarioides (Hooker) 
Kuhn is therefore not distinct in this respect. 
A satisfactory disposition of all these plants would be to include them with 
Aglaomorplia, separating the latter from Polypodium. 
THAYERIA Copeland, genus novum. 
Polypodiacea epipliytica Drynariae affinis. Ehizomate crasso; fronde 
solitaria in ramo laterale rhizomatis endogena, corniicopiaeforme ; ramo 
in fnndo cornucopiae in radicnlas mnltas dissipate ; textnra frondis, 
venisque Drynariae. Soris verisimiliter ad partem contractam apicalem 
frondis diversae restrictis. Genns viro doctissimo Alfredo Thayer, 
professor! universitatis texanae dedicatiim. 
\y 
Thayeria cornucopia Copeland. 
Ehizomate late scandente vel saepins descendente, 2-3 cm. crasso, 
sqnamnlis lanceolatis snbpeltatis aenminatis 1-1.5 mm. longis appressis 
vestito; ramo frondiferente 2-6 cm. longo, ca. 1 cm. crasso, horizontale, 
frondem e latere fisso emittente; fronde deorsum scariosa, fusca, lobis 
basalibns grandibns invicem involventibns, sursum viride, fere plana, 
glabra, profunde pinnatifida, segmentis decidiiis. (Tab. 28.) 
Syn. Fil. 5 : 96. 
