Asrii»ii:.i: — Asi-iim m. 37 



cuneate at the base, umMjually l)i|)artitf; venation of Diynaria; soil in 

 i()\\s close to tiie main veins, large; indusiuin reniftJiiii, plane, eoriaceous. 



•Lii/on?" Ciiniiiiti s. ii., or No. 'MM fide Baker, or Panay, .s. n., fide Presl 

 siili. A. (/I a ltd if olio. 



The deseription does not siiow ulierein liiis is sullicienlly distinct from 

 A. pachi/pfn/lliim. 



(13) A. siifolium (Willd.) Mett. Stipe 30 cm. .>r more liijfh, brownish, 

 naked; frond :i(i cm. or more hifih, 15 to 20 em. broad, with a broad, 

 oblong, acuminate terminal pinna, and 3 to 4 lateral ones on each side, 

 the lowest stalked, 8 to 10 cm. long, 5 cm. broad, forked at the base 

 and ratlur deeply lubed, subcoriaceous ; main veins close, distinct to the 

 marjrin; areola' line, with free included veinlets: .sori large, in rows close 

 to the main veins, often eontluent. 



Luzon, Cuming 4.' 

 Java and Sumatra. 



(14) A. cicutarium (L.) ISw. Rhizome ascending; stipe 30 cm. or 

 more hij:li. bearing scattered deciduous, spreading palea; frond 80 cm. 

 more or less high, subdeltoid, apex deeply pinnatifid; below this, 3 to G 

 pinnre on each side, papyraceo-herbaceous or subcoriaceous, glabrous unless 

 on the midribs, the lowest pinna; subdeltoid, deeply pinnatifid or pinnate 

 below; main veins distinct to near the margin; areolse with few or no 

 free included veinlets; sori rather large, in rows near the main veins; 

 indusium rotuid-reniform. 



Isabela-Luzon, ]\'urbiirg 11973; Mount ^lariveles, Lohcr, Copeland 217; 

 Davao, ^Varburg 141GC. 



Pantropic. E.Kceedingh' variable. 



(l.>) A. vastum Blume. Rhizome creeping; stipes scattered, narrowly 

 winged often nearly or quite to the base; frond 1 m., more or less, high, 

 30 cm. or more broad, cut down to the very broadly winged rachis into 

 entire, linear-oblong segments 15 to 30 cm. long, 3 to 5 cm. broad, 

 papyraceo-herbaceous or subcoriaceous; main veins distinct three-fourths 

 of the way to the margin; areola; copious, with free included veinlets; 

 sori small, scattered. 



Panay, Cuming 35G in p:irt. 



India and ^I;il;iy;). 



(IG) A. melanocaulon JMume. Rhizome ascending; stipe 30 cm. or 

 more high, ebeneous, glossy, scaly at tlie base; frond 30 to tiO cm. high, 

 ovate-deltoid, with a large, deeply pinnatifid terminal pinna, and 1 to 4 

 lateral ones on each side, the central one deeply pinnatifid with ovate- 

 acuminate lobes, the lowest stalked, 15 to 30 cm. long, 10 to 15 cm. broad, 

 often again pinnate at the base, papyraceo-herbaceous; main veins reaching 

 the margin; areola* fine, with free included veinlets; sori numerous, 

 minute, scattered; indusium fimbriate, fugacious. 



Luzon, Cuming ;)7. 



Malaga. 



* This is inserted here on the authority of the Synopsis Filicum, p. 299. 

 A sterile frond in our herbarium strongly suggests Arcypteris, and both 

 Smith and Hooker (S|). Kil. V:8G) treated this plant as exindusiate. 



