PTERIS. 479 



3". P. Panchcri, Baker ; st. 12-15 in. 1., naked, stramineous ; fr. 12-15 in. 1., 



lanceolate, simply pinnate; pin)i(c distant, ascending, 7-B-jugate, linear-ligulate, 

 o-l in. 1., ;[-i in. br., upper sessile, entire, lower distinctly stalked, irregularly 

 crenato-pinnatilid, with lilunt lobes H-2 liu. br. ; >'«c/i2s stramineous, naked ; end 

 scc/in. like the others, but rather larger ; texture rigidly subcoriaceous ; surfaces 

 naked ; veins fine, distinct, simple or forked in the entire pinuee, more or less 

 pinnate in the lobes ; inv. narrow, glabrous. 



Hab. New Caledonia, Puncher, 494. 



16. P. ameena, Blume, Hk, Sp, 2. p. 204, differs from typical semipinnata by 

 its spinulose lamina. 



33*. P. straminea, Mett, ; st. 1-1| ft. I., naked, stramineous like rachis ; fr. 

 narrow, deltoid, 1-1^ ft. 1. ; jnnnce ascending, lowest much largest, deltoid, with 

 compound lower pinnl. on both sides, the others lanceolate, 1^-2 in. br., cut 

 down to rachis or anarrow wing ; segm. lanceolate, 1^-2 lin. br., narrowed to a 

 point, sterile sharply closely dentate, upper growing gradually shorter ; texture 

 moderately firm ; surfaces bright-green, naked ; veiiilets forked, subdistant, 

 distinct ; sori falling short of the tips of the segments. — P. crispa, Hort, 



Hab. Chili. 



34*. P. Crcesus, Bory ; st. 1^-2 ft., naked, castaneous, like rachises ; fr. 

 deltoid, 1-2 ft, 1., copiously tripinnate ; lower jnnnce much largest, distinctly 

 stalked, with many compound pinnl. on both sides ; largest simple pinnge 

 \ ft. 1., Ij- in. br. ; segm. linear, \ in. br., adnate, falcate, not close, narrowed to a 

 bluntish point ; texture rigidly subcoriaceous ; surfaces glabrous ; veins forked, 

 ascending, rather raised ; sori mixed with white meal, reaching nearly to the 

 tip of the segments ; inv. pale, distinct. — Hk. Sp. 2. p. 189. P. nigrescens, JPoir. 



Hab. Bourbon ; fine specimens sent by Lady Barkly, gathered by Mr. Fraser. 



35*. P. nitida, Mett. ; rhizome slender, wide-creeping ; st. 6-15 in. 1., naked, 

 bright red-brown ; fr. deltoid, |-1 ft, 1., 4-pinnatifid ; rachises naked, strami- 

 neous upwards ; lower j(;z?i»«? much the largest, stalked, deltoid, 3-4 lin. br,, the 

 hn^sX pinnl. on lower side much produced; final lobes oblong, blunt, ascending, 

 1^-2 lin. br., cuneate-adnate at the base ; upper pinnee and pinnl. deltoid, cuneate- 

 truncate on lower side at base ; texture thin, but firm ; surfaces naked, bright- 

 green ; venules close, fine, erecto-patent, forked ; sori not reaching the tip and 

 base of the segments ; hiv. narrow, grey, glabrous. — Kuhn, Fil. Afr, p. 86. non 

 R.Br. 



Hab. Banks of the Gaboon, West Africa, Q. Mann, 1047, Mylne (communicated by 

 Dr. D. Moore), 



39*. P. decomposita, Baker ; fr. 3-4 ft. 1., deltoid, tripartite ; rachises cas- 

 taneous, glossy, the final ones stramineous at the tip, with dense spreading firm 

 bristles ; lowest division 2 ft. 1., with lowest ^^wh^. much produced, and its lowest 

 segm. much larger than rest, oblong-deltoid, v-| ft, 1., tripinnate ; end division 

 oblong-deltoid, 2 ft. 1., 1 ft. br., tripinnate, its pinncc lanceolate, close, l^-H 

 in. br., its pinnl. imbricating, deltoid, short-stalked ; barren segm. distant, erecto- 

 patent, oblong or ligulate, cuneate, ^-1 lin, br,, lower with 1-3 sharp teeth ; fer- 

 tile segm. lanceolate, H-2 lin, br., cuneate at base ; texture rigidly subcoriaceous ; 

 surfaces green, naked ; veins solitary in upper segments, pinnate in lower fertile 

 ones ; sori failing short of tip and base. 



Hab. Andes, Muna, 10,000 ft,, Pearcc. — A very distinct and remarkable species. 



41*. P. acclivis, Mett. ; rhizome wide-creeping ; st. 6-9 in. 1., firm, erect, strami- 

 neous, naked like rachises ; f: ample, deltoid, tripinnate, with a flexuose main 



