204 CHRIST. 
* 
29. Dryopteris pteroides (Rctz.) 0. Ktze. Rev. Gen. PI. 2 (1891) 813. 
Polypodium pteroides Eetz. Ob?i. 6: 39. 
Mindanao (293 Cuming) "Nephrodium Cumingii J. Sm." in Hook. Joiirn. Bot. 
3 (1841) 411: Lake Lanao (254 Mrs. Clemens) February, 1900; rrovincc of ^ 
Zamboaiiga (1004 Copcland) 1905; District of Davao (036 CopcUtnd) March, ^ 'J 
1904. BALAiJAC (420 Manyuhat): HiM>ORO, Calapan (084 MerrUl) April, 1903. 
CULTON (487, 594 Merrill) December, 1902. Luzon, Province of Rizal, Montalban 
[Lohcr) March, 1900: Province of Panipanga, Mount Arayat {^A Bolster) March, 
]i)0r). Palawan (271 Bermcjos) December, 1905. 
Throughout the ^Mahiyan region. 
30. Dryopteris extensa (Blume) 0. Ktze. Rev. Gen. PI. 2 (1891) 812. 
Aspidium extensum Blume Emnn. (1828) 15C. 
Balarao (415 Mangnhat) April, 1905. No. 391 Cuming, distributed in 
Cuming's Philippine srrics, was from Malacca, fide J. Sm., Hook. Journ. Bot. ' 
3 (1841) 411, sub yvphrodiuni cumingii J. Sm. It is referable to Dryoplcris 
extensa, • ' 
r 
Throughout the Malaynn region. 
31. Dryopteris Bordenii n. sp. 
]?hizoniate olongato obliquo crasso, radicoso, squamiilis ininiitis lanceo- 
latis crispis dilute brunneis sparso, foliis pa'ucis subfasciculatis, stipite 
finiio usque ad 30 cm. longo, saepe breviore, plumbeo- aut castaneo- 
straininoo, puberulo auriculis parvis triangularibus subacutis saepe ad 
meros lobulos niinimos aut ad callos reductis, circ. 10 utrinque, instructo, 
fronde ovata basi baud attenuata sed pinnis inferioribus valdc deflexis, 
25 usque ad 35 cm. loiiga, 15 ad 20 cm. lata, acuminata, pinnata, pinnis 
infra remotiusculis, supra confertis alternis, inferioribus ad basin valde 
attenuatis, acuminatis, lanceolatis, sessilibus, supremis, adnatis, ca. 15 
utrinque infra apicem pinnatifidum recte patentibus, 10 cm. longis ^ 
1(> mm. latis, basi truncatis, inferioribus attenuato-cuneatis, usque ad 
niediam laminae partem incisis, ala 0.5 cm. lata relicta, lobis obliquis 
subfalcatis pectinato-confertis, sinu fere nullo interjccto, obtusis, inte- 
gris, ca. 25 ntrinqne, 3 mm. longis, 2.5 mm. latis, nervis parum con- 
spicuis, 7 utrinque, una area costali et secunda sinu applicata, rliaclii 
faciebus costis co.^tulisquo breviter pubescentibus, soris mediis parvis 
atrobninneis, sporangiis laevibus, indusio minute obscure griseo reformi 
inox evanido. Colore obscure viridi, opaco, textura herbacea. 
Luzon, Province of Bataan, Lamao River, Mount Marivelea (1237 Borden) 
June, 1904; (6823 Elmer) November, 1904: Province of Rizal (66, 78 Fox- 
irnrthg) January, 190G: Province of Panii)anga, Mount Arayat (403 Topping) 
February, 1904: Province of Tayabas, Mount Banajao {Loher) February, 1906, 
Palawan (571 Foxworthy) April, 1906. 
Tlie frond has the configuration of that of 1*. sagiftaefolia, the base of the 
frond being abrupt and the pinuic being replaced by reflexed and pointed auricles 
wliicli occupy the stipe to the base. D. Bordenii however does not belong, like 
D. sa y it lae folia, in the group witli D. paraMtica, not having hairy sporangia. 
Tlie rhizome is oblique, elongated, tlie roots strong, the scales very small 
lanceolate and twisted. 
