A(iiijnsii(iii:.K — i:L.\rii()<;Lt»ssi .\i. loT 



(2 1 E. decurrens i Dfsv. ) . Uliizonif woody, the paloae large, ovate, 

 (lull brown; stiiu' tJ to 10 cm. lii^;li, firm, croct, scaly; frond 10 to 15 cm. 

 hi^li, 5 cm. broad, round at tlir apex, narrowed j,'radually to the stipe, 

 very thick, .s\irfaco f^labrous, but the Miari.'iM densely fringed with ovate, 

 yellowish, toothed, deciduous scales 1 nun. long; veins immersed, nearly 

 liidden. 



Luzon, Ciiniinii lit. 



(:{) E. Cumlngli (Fee). Rhizome woody, clothed witli large, ovate, 

 dull brown scales; stijie 15 to 20 cm. high, firm, erect, ^ca]y below; sterih- 

 frond 20 cm. high, 3 cm. l)road, obtu.se, narrowed gradually below, margin 

 densely fringed by mostly sligiitly intramarginal minute scales; frond very 

 thick, surfaces, especially tlie u|ii>er. cjotlied witli minute, scattered scales; 

 veins (juite hidden; fertile froiwl as long as tiie sterile but rather narrower. 



Luzon, Cuming 193; Arayaf, I.ohrr. 



(60) ACHROSTICHUM Linnaeus. 



Rhizome thick, erect, stipes not articulate to it; frond large, simply 

 pinnate; pinnjT with prominent costa, and veinlets copiously anastomosing, 

 without free included veinlets; sporangia covering the backs of the fertile 

 pinna', except for the costa and sometimes for a narrow marginal line. 

 Large terrestrial ferns, in brackish marshes throughout the Islands. The 

 genus Achrostichum formerly included all ferns with the sporangia covering 

 the fruiting surface, without evident dilTerentiation of sori; which was 

 probably more convenient than the present, presumably more natural, 

 arrangement. 



(1) A. aureum L. Rhizome woody, somewhat scaly; stipe .30 to 60 

 cm. high, stout, erect, polished ; frond (10 to 200 cm. high, .30 to 60 cm. 

 broad; pinnre numerous, 15 to 30 cm. long, about 5 cm. broad, stalked, 

 obtuse or sometimes retuse and bluntly mucronate, entire, glabrous, 

 leathery; areolae small, evident; upper pinnae fertile, hardly as large as 

 the sterile. 



Manila. Loher, Mnrave, Merrill 57, Elmer 5510; Camarines, Rataan, and 

 Masbate, Baranda ; lloilo, Copcland, including a freak with forked pinna;; 

 Davao, Warburg ; Balabac, Steere. 



Pantropic. 



(61 I CHEIROPLEURIA Presl. 



Rhizome creeping, stipes not articulate to it; fronds dimorphous, the 

 sterile dichotomously veined and lobed. fertile linear, costate: sori covering 

 the lower surface, excepting costa and margin. A fern remarkably distinct 

 in appearance, epiphj'tic or terrestrial in the mossy forest. 



(li C. bicuspis Presl. Rhizome short, stout, densely clothed with 

 golden, jointed, hairs; stipes 20 to 40 cm. high, angular, stramineous, 

 naked except at the base; sterile frond about 10 cm. long, ovate or, if 

 the tips spread, as broad as long, normally lobed half way to the base 

 by a broad sinus into two erect or spreading acute lol)es, entire, subcuneate 

 at base, glabrous, thin-coriaceous; main veins dichotomtms ; veinlets anas- 



