102 I'OLYrODIACE.^ OF THE PHILIPPINE ISLANDS. 



veins conspicuous, usually once forked; sori often continuous along the 

 whole margin of the segments. 



Luzon, Cuming 69, 79; Isabela-Luzon, Wajburg 11612; Nueva Vizcaja, 

 Merrill 234; Benguet, Topping 287, Elmer 5619, 6213; Arayat, Loher, 

 Merrill 3813, pviberulous; Lamao River, Copeland 239; Manila, Warburg, 

 Merrill 642; Camarines and Masbate, Baranda; Jolo Archipelago, Burhidge; 

 Davao, 'Warburg 14120, DeVore and Hoover 254, Copeland 667. We have 

 many more specimens very near this. 



All warm countries. 



P. quadriaurita var. setigera Hooker is a form with fine, spine-like 

 scales on the rachises and main veins, at least on the dorsal surface, and 

 usually more linear segments. 



Luzon, Cuming 253,413; Cagayan-Luzon, Warburg 12215; Arayat, Merrill 

 3S14; Rizal. Loher ; Basilan, DeVore and Hoover 93. 



India, Hongkong. 



(11) P. grevilleana Wall. "Dimorphic, barren stipe shorter, winged 

 toward the apex; barren frond pedately 5-fid, scarcely pinnate, margin 

 spinulose-serrate; fertile frond with 5 pinnse, the lower pair bipartite, 

 veins exceedingly obscure. Suspiciously like P. quadriaurita, except that 

 the fronds are dimorphic." 



Benguet and Rizal, Loher. 

 India. 



(12) P. excelsa, Gaud. Stipe thick, erect, naked, glossy, pale brown; 

 frond nearly 2 m. high, sometimes more; terminal pinna 30 cm. or more 

 long, 8 cm. broad, with numerous close, falcate, linear lobes on each side, 

 Avhich are sometimes more than 5 em. long, hardly 1 cm. broad, narrowly 

 obliquely decurrent, and slightly serrate where sterile; lateral pinnte 

 several, similar to the terminal one, the lowest remote, sometimes bipartite, 

 subcoriaceous, glabrous; veins once forked; sori not reaching the apex 

 of the segments. 



Philippines, Gaudichaud. 

 Himalayas, Hawaii. 



(13) P. longipes Don. Stipe 30 to 60 cm. high, erect naked, stramine- 

 ous; terminal pnina about 15 cm. high, linear, cleft to the rachis into 

 numerous erecto-patent, linear-oblong lobes which are obtusely toothed 

 toward the point when sterile; lateral pinnse numerous, close, the longest 

 simple ones about 15 cm. long, the lowest pair compound, sometimes nearly 

 as large as the whole of the rest of the frond, 30 cm. long, 15 cm. broad, 

 herbaceous, glabrous; veins not prominent, forked; sori falling short of 

 the apex of the segments. Costa of pinnules sometimes spinulose on the 

 upper side. 



Luzon, Cuming S; Masbate, Baranda. 

 India to New Guinea. 



(14) P. patens Hooker. Stipe 30 cm. or more high, erect, naked glossy, 

 chestnut brown; frond ample, 1 ni. high, 60 cm. or more broad; terminal 

 pinna 15 to 25 cm. long, 4 to 5 cm. broad, with several linear lobes on each 

 side, which are widened suddenly near the base on each side, the sterile 

 ones slightly serrate; lateral pinnre numerous, similar but larger, some- 



