44. NEPHRODIUM, SAGENIA. 299 



the largest, 8-12 in. 1., 6-8 in. br., deeply pinnatifid above, pinnated at the base, 

 lobes acute ; texture papyraceo-herbaceous ; rachis glossy like the- stipe ; main 

 veins distinct to the edge ; areolce fine, with copious free included veinlets ; sori 

 in rows near the main veins, mainly or entirely on the connected veinlets. 

 Polypodium, Forst. Aspid. irregulare, Brack, p. 180. 



Hab. Polynesian Islands. We include both the latifolium and irregulare of our first 

 edition. 



217. N. (Sagen.) decurrens, Baker; rhizome creeping; st. narrowly winged, 

 often nearly or quite to the base ; fr. 2-4 ft. 1., 1 ft. or more br., cut down to a 

 winged rachis into 4-8 pairs of sinuated linear-oblong pinnae 6-12 in. 1., 1-2 in. br., 

 the lowest sometimes forked ; texture subcoriaceous ; principal veins distinct to 

 the edge, connected by copious areolse with free included veinlets ; sori large, in 

 two regular rows between the principal veins. Aspid. PresL A. pteropus, Kze. 

 m.Sp.4.p.tf. 



Hab. N. India, Ceylon, Philippines, Malaccas, Formosa, Aneiteum, Fiji, Samoa. 

 Habit of ZV. vastum, from which it is well distinguished by the biserial sori. A dwarf 

 form, with fronds under 1 ft. 1., and the fertile ones much contracted, is figured from 

 Ceylon by Capt. Beddome, Fil. S. Ind. t. 245. This is the var. Thwaitesii of the Kew 

 Garden Catalogue. 



218. N. (Sagen.) siifolium, Baker ; st. 1 ft. or more 1., naked, brownish ; fr. 

 1 ft. or more 1., 6-8 in. br., with a broad, oblong, acuminate, terminal pinna, 

 and 3-4 lateral ones on each side, the lowest stalked, 3-4 in. 1., 2 in. br., forked 

 at the base, the margin rather deeply lobed ; texture subcoriaceous ; primary 

 veins close, distinct to the edge ; areolce fine, copious, with free included veinlets ; 

 sori large, copious, in two close rows, often confluent. Polypod. Willd. Aspid. 

 Mett. Fil. Ind. p. 237. A. Teysmannianum, Hk. Sp. 4. p. 41. t. 236. Polyp, 

 menisciicarpon, Hk. Sp. 5. p. 86. (in part). 



Hab. Philippines, Cuming, 4. Java and Sumatra. Courtallum, Dr. Wight. 



219. N. (Sagen.) pachypJiyllum, Baker ; st. 1 ft. or more 1., naked, brownish ; 

 fr. 2-3 ft. 1., 12-18 in. br., with an oblong-lanceolate, entire, or sinuated terminal 

 pinna 6-12 in. 1., |-1 \ in. br., and 4-8 similar erecto-patent lateral ones on each 

 side, the lower ones forked at the base ; texture subcoriaceous ; primary veins 

 straight and distinct nearly to the edge ; areolce fine, with copious free included 

 veinlets ; sori large, in two regular rows. Asp. Kze. Hk. Sp. 4. p. 56. Ar 

 grande, J. 8m. Hk. Sp. 4. p. 55. 



Hab. Philippines and Malay Isles, Solomon Isles, Fiji. 



220. N. (Sagen.) Barteri, Baker ; st. 1 ft. or more 1., naked, substramineous ; 

 fr. 2-3 ft. 1., 12-18 in. br., with an oblong, entire terminal pinna 9-12 in. 1., 

 3-4 in. br., acuminate at the apex and narrowed gradually to the base, and 

 3-4 similar ones on each side, all simple, the lowest slightly stalked ; texture 

 papyraceo-herbaceous or subcoriaceous ; main veins distinct to tbe edge, in. 

 apart ; areolce fine, copious, with free included veinlets ; sori rather small, 

 placed in two regular rows near the main veins ; invol. minute, fugacious. 

 Aspid. J. Sm. Ferns, B. & F. p. 286. 



Hab. Fernando Po, Barter and Mann. Most like N. polymwpliu'nt, in habit and 

 texture. 



221. N. (Sagen.) cicutarium, Baker ; st. 1 ft. or more 1., brownish or ebeneous ; 

 fr. 1-2 ft. 1., subdeltoid, the apex deeply pinnated, with sinuated lanceolate 

 lobes ; below this 3-6 pinnce on each side, the lowest subdeltoid, deeply pin- 

 natifid or pinnate below ; texture papyraceo-herbaceous or subcoriaceous ; main 

 veins distinct to the edge ; areolce with few or no included free veinlets ; sori 

 rather large, in two rows near the main veins on connected or free veinlets. 



