272 ciiiusT. 
NEPHROLEPIS Schott. 
Nephrolepis dementis sp. nov. 
Rhizomate ignoto ; stipite 4 ad 9 cm longo, tereti, 1 mm crasso, cum 
rhachi straminea dense squamulis ocliraceis peltato-ovatis tecto; fronde 
35 ad 40 cm longa, 4 cm lata clongato-caudata et fere indefinite cres- 
cente i. d. pinmilis novellis imbrieatis involutisque ferace; pinnis nu- 
merosissimis confertis sessilibus basi ovato-hastatis, inferioribus stcril- 
ibus rotundato-obtusiS; 2 cm longis, vix 1 cm latis; fertilibns superioribus 
lanceolatis, 2.5 cm longis, 0.5 cm latis, acntiusculis, eosta tenui sed 
manifcsta media, nervis confertissimis numerosissimis obliqnis, soris 
marginalibus nee prominentibus ca. 15 utrinqiie, 1 mm diametrOj rotundis, 
indnsio peltato-reniformi aspidioideo: faciebns laevibus, facie siiperiore 
ad insertioncm pororum hinc inde punctis calcareis notata; textura 
snbcoriacea, pinnis articnlatis et deeiduis, colore oclu'acco-viridi opaco. 
Mindanao, Lake Lanao, Camp Keithley, Mrs. Clemens 020, January, l^^"^. 
Between Nephrolepis cordifolia Presl and N. voluUlis J. Sm. with a semi- 
indefinite growth of the leaf. Pinnae obtuse, very numerous, sori marginal, 
aspidioid, racliis chaffy. 
HUMATA Cav. 
Humata repens (L.) Diels, var. minuscula var. nov. 
Var. aut subspec, a typo discrepans foliis minutis, 2.5 cm longis, 
2 cm latis, stipite brevi (2 ad 3 cm) tenni, lamina fertili a sterili baud 
diversa, breviter et late lobata; plantula omnino habitn H. parvulae, 
excepta fronde fertili angnstisecta hujus speciei. 
Luzon, Province of Eizal, Bur. Sci. 1815 Ramos, January, ]907. 
MICROLEPIA Presl. 
Microlepia todayensis sp. nov. 
Amplissima, quadripinnatifida, stipitibns fasciculatis snccnlentis 100 
ad 150 cm longis, fronde 150 cm longa ovata; rhachi 1 cm et ultra crassa, 
rufo-straminca, lucentc, f iirfuraceo-pilosa ; pinnis circ. 70 cm longis, 23 
cm latis, oblongis acuminatis versus basin aliquantum angustatis; costa 
costulisque ocliraceis pilosulis, pinnis inferioribus remotis, superioribus 
magis confertis, alternis, ea. 25 utrinque, breviter petiolatis, basi anteriore 
auctis, trigono-oblongis acuminatiSj mediis 12 cm longis, basi 4.5 cm 
latis, pinnulis ca. 14-Jugatifi, infimis petiolulatis, reliquis subsessilibus nee 
adnatis nee decurrentibus, basi anteriore auriculate auctis, infimis ante- 
rioribus 3 cm longis, basi ad costulain, caeterum usque ad alam plus 
minus angustam incisis, versus apicem lobatis, lanceolato-oblongis con- 
fertis, acutiusculis, lobis ultimis ova to- oblongis obtusis subintegris, 3 
ad 4 mm longis, nervis manifestis subtus promincntibus, in lobis furcato- 
pinnatis, obliquis, subtus pilis longis omnino obsitis, soris impressis, 
minutis, raris, ad basin loborum plane intramarginalibus, saepius mediis, 
