186 ciiuisT. 



101. Angiopteris cartilagidens Cliii.st iii Hiill. llcil). J5()iss. 6 (I!K)«) 207. 

 LuzoN, Province of Hciifiucl, JJajiuio (Loher), alt. J,400 in. 



One of tlic niost sliarply dcfincd .si^ecies, charactcrizcd by its dentation, tcxture 

 and «cales. 

 Endemic. 



102. Angiopteris similis Presl in DeVricsc et Jlarting Monog. Maratt. J7. 



MiNDANAO, Lake Lanao, Canip Keitliley (115 Mrs. Glemens) January, 1906, 

 alt. 660 m. 



A spccics witli tliinly pai^yraceoiis textiire, shining, pale green, the nerves 

 recurrcnt, slendcr, sligiitly visiblc, tlie sori sniall, dark brown, close to the 

 niargin, the pinnules large, 18 cm. long, 21 mm. broad, tlie teetli prominent only 

 at the sterile apices. 



Java. 



103. Angiopteris angustifolia rresl ex DeVriese et Harting Monog. Maratt. 

 18. 



LuzoN, Province of Bataan, Lamao River (3791 Merrill) January, 1904. Ne- 

 GBOS, Gimagaan Eiver (1G59 Whifford) May, 1906. Mindanao, Lake Lanao 

 (Mrs. Clemens) April, 1906: Province of Surigao (240 Bolster) April, 1906: 

 District of Davao, Todaya (1459 Copchmd) October, 1904. 



This seems to be the most widely distributed species in the Archipelago, and 

 was first collected by Cuming. It is distributed from Annam, leg. Cadiere, to 

 Formosa, leg. Faurie, south to tlie Sunda Islands. 



104. Angiopteris caudata DeVricse et Harting Monog. Maratt. 20. 



LuzoN, Province of Benguet, Mount Tongion (Lohcr) April, 1906; Baguio 

 (5126 Curran) August, 1906; (5930 Lliiicr) March, 1904: Province of Laguna, 

 Mount Maquiling (Loher) Junc, 1906. 



PinnuJes strongJy narrowcd, the upper ones 8 mm. broad, very gradually 

 narrowed into the long pointcd apex. The pinnse resemble those of Ptcris 

 longifolia Linn. 



105. Angiopteris pruinosa Kze. Schkuhr Suppl. 1: t. 91. 

 Negko.s, Gimagan River (1652 Whitford) May, 1906. 



Fronds bluish white beneath quite similar in color to tliose of Luinuria glauca 

 Blume. 



CHRISTENSENIA Maxoii. 



106. Christensenia Cumingiana n. sp. 



Omniiim reliquarum formarum adliuc cognitarum minima, rhizomate 

 crasso, brevi, carnoso, radicoso, foliis approximatis, jimioribus subfasci- 

 culatis, stipite usque ad 14 cm. iongo cum costis nervisque rufostramineo 

 furfuraceo, frondc tam simplici ovata breviter acuta basi subcordata 

 8 ad 13 cm. longa 3 ad 5 cni. lata, repanda aut grosse dentata, quam 

 tripartita, pinna centrali late ovata 11 cm. longa 5 cm. lata acuta longe 

 et anguste cuneata, lohato-repanda, pinnis lateralibus adnatis valde inae- 

 qualibus postice cordato-auctis, antice anguste cuneatis 9 cm. longis 3 cm. 

 latis, nervis manifestis, ca. 10 utrinque, rectis patentibus interstitio ca. 1 

 cm. lato, facie superiore laevi inferiore albida, stomatibus rotundis dense 

 tecta, laevi, synangiis vix 1.5 mm. latis (deciduis aut immaturis) brunneis 

 inter nervos biseriatis, ca. 4 pro serie. Textura inodice succulenta. 



