An Encyclopedia of Horticulture. 



193 



Folsrpodinm — continued. 



o\Mn\in_\ arcol(v in rows of five to ten between the edges and 

 midrib, \\\t\\ two sori in each. West Indies, Ac, 1810. 



P. reptans (creeping), ati. lin. to Sin. long, slender, wiry. froniU 

 4in. to 12in. long. lin. to 5in. broad, spreading, often decumbent 

 and moting ; pinna' ^in. to liin. long, about Jin. broad, entire or 

 l)Uintly lobeo, often auricled at base, the lower ones stalked ; 

 under siile and rachis sometimes slightly hairy. West Inrlies. 

 A very variable species. Svn. Cainpfiloneiinmi repeits. Tlie form 

 aspl'-tiinidcn is more erect, and larger. 



P. rliodopleuron (red-veined\ A synonym of P. plesiosorum. 



P. rlgidulum (slightly rigid), rhiz. wide-creeping, stout, with 

 glossy-brown scales, /nmd.s dinmrpluuis ; barren one sessile, 6in. 

 to 9in. long, Sin. to 4in. broad, cut ab<iut half wav to the rachis 

 into blunt lobes; fertile ..ne 2ft. to 4ft. hmg, 1ft. to Uft. broad, 

 iong-stidked, pinnate ; pinme bin. t<i 12in. long, Jin. to |in. lu'oad, 

 lin. or more apart, narrowed or stalked at base, point acuminate, 

 edge iiiciso-crenate. son' in a single row half way between the 

 midrib and edge, areola- copionn. Queensland, Ac. (II. G. F. 5.) 

 SvNS. /'. divrrsij'oliitin, Drynaria rUjidxda. 



Fio. 242. Entire Frond of Polypodium pustulatum. 



P. rufescens (reddish), rhiz. short-creeping, sti. 1ft. to l^ft. 

 long, erect, finii, naked, fronds length of stipes, 9in. to 12in. 

 broad, almost deltoid ; lower pinna* largest, deltoid, 6in. to Sin. 

 long, Sin. to 4in. broad ; pinnules lanceolate, unequal-sided, 

 bluntly lobed, the lowest nearly down to the rachis. suH medial. 

 Java, Queenslauil, Ac. Svn. Pheijoptcris rufescens. 



P. rufulum (reddish). A synonym of P. lepidopterls ru/uhmi. 



P. rugnilosum (wrinkled). A synouym of /'. punctnhim rugu- 

 lostiiii. 



P. rupestre (rock-loving).* rkiz, woody, with dark brown scales. 

 sti. 4in. to Sin. long, firm, erect, fronds 4in. to Sin. long, lin. to 

 IMn. broad, with an entire or obscurely repand edge, and an 

 acuminate apex, sori in two rows between the main veins, not 

 innnersed, six to eight I.ietween the edge and midrib. Java and 

 Philippines. Svn. Plcuridhnn rupestre. 



P. rnpestre (rock-loving), of R. Brown. A synouym of 

 P. serpens. 



Vol. in. 



Polypodium — continued. 



P. sandvlcense (Sandwich Isles). A synonym of P. stemio- 



iiraiiiiiinides. 



P. SchkUhri (Schkuhr's). A synonym of P. elastieum. 



P. Scouleri (Scouler's).* rhiz. wide-creeping, stout, with dull 

 iMMwn scales, sti. firm, erect, naked, Sin. to 4in. long, fronds 

 bin. to 12in. long, 4in. to Sin. broad, cut to the rachis into close, 

 sub-entire, blunt pinnfe, Jin. to ^in. hroatl. suri very large, in a 

 single row close to the midrib. North-west America. Sv.n. 

 (jiiiiinjdiii-lnnni Scouleri. 



P, sepultum (inclosed). A synonym nf /'. lepidopteris sepultuw. 



P, serpens (cit-eping). rhi-. firm, wldc^. creeping, clnthed with 

 fcrnigiiKius sc;tlt*s. sti. firm, erect. \m. to Sin. Iniig. fmnds di- 

 nmrphi'us; Imrren ones nmnd ur ellijitical ; fertilt- uiies longer 

 ami narrower, 4iu. to 6in. long, iin. to ^in. broad ; under sur- 

 face tonientose. sori large, prominent, scattered, at length 

 covering the whole upper portion of the frond. Australia and 

 New Zealand. Cireennonse. SVNS. P. nipestre, Xiphuholus 

 rupistris. 



P. serpens (creeping), of Swartz. A synonym of P, Sirartzii. 



P. serrulatum (slightly saw-edged), rhiz. fibrillose, wide-creep- 

 ing, sti. slcndt-r, naked, short, tufted, fmnds Sin. to bin. long, 

 about 'jin. broad, the upper part, occasionally the whole, almost 

 entire, but generally pectinate-pin natifid, with erecto-patent, 

 rigid lobes, sori oblong, conHufiit. West Indies, Ac, 1823. 

 (H. G. F. 44, under name of Xiplopttris serrulata.) 



P. Sieberlanum (Sieber's). A synonym of /*. cyaiheiv folium. 



P. sinuosum (sinuate), "rhiz. forming a crust which enwraps 

 the^ matrix, clothed with peltate scales, black in the middle, and 

 white round the edge, the stem arising from a conical pro- 

 tuberance, lin. to 2in. long, firm, naked " (Baker), fronds 

 dimorphous ; barren ones Sin. to bin. long, iin. to lin. broad, 

 with an entire edge ; fertile ones longer, and with a repand edge. 

 sori round or oblong, large, marginal, ar nearly so, iuimcrsed. 

 Malaccas, &c. (H. S. F. 274.) SvN. Phymatode-s sinuosa. 



P, sororium (related). rhiz. wide-creeping, stout, with pale 

 brown scales, sti. firn), naked, erect, bin. to 12in. long, fronds 

 1ft. to 2ft. long, bin. to 9in. broad ; lower piniue largest, sessile, 

 4in. to bin. long, about ^m. broad, with an entire or obscurely 

 undulated edge, and an acuminate apex, son, in distinct rows, 

 nearer the midrili than the edge. Cuba to Peru. 



P. spectabile (remarkable). A synonym of Nephrodium vUloaum. 



P. spectrum (spectral). rhiz. wide-creeping, woody, with 

 deciduous, black scales, .sti. Sin. to 4in. long, erect, naked, firm, 

 distant, fronds cordate-hastate, bin. to 9in. each way, the apex 

 acuminate ; lateral lobes rounded or acute ; basal lobes deep, 

 occasionally imbricated ; edge not toothed, sori irregularly 

 scattered, small, not copious. Sandwich Lsles. Svn. Colysis 

 select r a. 



P. Sporadocarpum (spore-fruited). A synonym of P. aurcum 

 areiilatmn. 



P. squamatum (scaly), rhiz. wide-creeping, stout, clothed with 

 adpressed scales, sti. erect, bin. to 12in. long, rigid, scaly. 

 fronds bin. to 12in. long, 2in. to 4in. broad, cut nearly or quite to 

 the rachis into entire, bluntish pinna', lin. to 2in. long, about 

 ,'jin. broad, _ with a good space between them, dilated, and fre- 

 quently united at the base; rachis and under surface densely 

 scaly, sori large, copious. West Indies and Mexioi to Peru. 

 Svn. LepicysVis squaiitata. 



Fig. 24S. Frond of Polvpodium stigmaticum. 



2 c 



