AN ENCYCLOPEDIA OF HORTICULTURE. 



193 



Folypodinm continued. 



opaque, areolce in rows of five to ten between the edges and 

 midrib, with two sori in each. West Indies, Ac., 1810. 



P. reptans (creeping), sti. lin. to Sin. long, slender, wiry, fronds 

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

 and rooting ; pinnae iin. to IJin. long, about iin. broad, entire or 

 bluntly lobed, often auricled at base, the lower ones stalked ; 

 under side and rachis sometimes slightly hairy. West Indies. 

 A very variable species. SYN. Campy loneurum repent. The form 

 asplenwides is more erect, and larger. 



P. rhodoplenron (red-veined). A synonym of P. plesiosorum. 



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

 glossy-brown scales, fronds dimorphous ; barren one sessile, 6in. 

 to 9in. long, Sin. to 4in. broad, cut about half way to the rachis 

 into blunt lobes ; fertile one 2ft. to 4ft long, 1ft. to lift broad, 

 long-stalked, pinnate ; pinnae 6in. to 12in. long, Jin. to iin. broad, 

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

 edge inciso-crenate. sori in a single row half way between the 

 midrib and edge, areolce copious. Queensland, Ac. (H. G. F. 5.) 

 SYMS. P. diver sijolium, Drynaria rigidula. 



FIG. 242. ENTIRE FROND OF POLYPODIUM PUSTULATUM. 



P. rnfesoens (reddish), rhiz. short-creeping, sti. 1ft to lift 

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

 broad, almost deltoid ; lower pinnae largest, deltoid, 6in. to 8in. 

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

 bluntly lobed. the lowest nearly down to the rachis. sori medial. 

 Java, Queensland, Ac. SYN. Phegopteris rufescens. 



P. rufnlum (reddish). A synonym of P. lepidopteris rufulum. 



P. rngulosnm (wrinkled). A synonym of P. punetatum rugu- 

 losum. 



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

 sti. 41n.to Sin. long, firm, erect fronds 4in. to Bin. long, 1m. to 

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

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

 immersed, six to eight between the edge and midrib. Java and 

 Philippines. SYN. Pleuridium rupestre. 



P. rupestre (rock-loving), of R, Brown. A synonym of 

 P. serpens. 



VoL IIL 



Polypodinxn continued. 



P. sandviccnse (Sandwich Isles). A synonym of P. stegno- 

 grammoides. 



P. Sohknhrl (Schkuhr's). A synonym of P. elasticum. 



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

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

 6in. to 12in. long, 4in. to Sin. broad, cut to the rachis into close, 

 sub-entire, blunt pinnae, iin. to Jin. broad, sori very large, in a 

 single row close to the midrib. North-west America. SYN. 

 Goniophlebium Scouleri. 



P. sepultum (inclosed). A synonym of P. lepidopteris sepultum. 



P. serpens (creeping), rhiz. firm, wide-creeping, clothed with 

 ferruginous scales, sti. firm, erect, iin. to Sin. long, fronds di- 

 morphous ; barren ones round or elliptical ; fertile ones longer 

 and narrower, 4in. to 6in. long, iin. to 3in. broad ; under sur- 

 face tomentose. tori large, prominent, scattered, at length 

 covering the whole upper portion of the frond. Australia and 

 New Zealand. Greenhouse. SYNS. P. rupestre, Mphobolut 

 rupestris. 



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



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

 ing, sti. slender, naked, short, tufted, fronds Sin. to 6in. long, 

 about iin. broad, the upper part, occasionally the whole, almost 

 entire, but generally pectinato-pinnatifid, with erecto-patent, 

 rigid lobes, sori oblong, confluent West Indies, A., 1823. 

 (H. G. F. 44, under name of Xiphopteris terrulata.) 



P. Slebeiiannm (Sieber's). A synonym of P. cyathecefolium. 



P. slnnostun (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 an. long, firm, naked" (Baker), fronds 

 dimorphous ; barren ones Sin. to 6in. long, iin. to lin. broad, 

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

 sori round or oblong, large, marginal, or nearly so, immersed. 

 Malaccas, Ac. (H. S. F. 274.) SYN. Phymatodea sinuosa. 



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

 brown scales, sti. firm, naked, erect, 6in. to 12m. long, fronds 

 1ft to 2ft long, 6in. to 9in. broad ; lower pinnae largest, sessile, 

 4in. to 6in. long, about iin. broad, with an entire or obscurely 

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

 nearer the midrib than the edge. Cuba to Peru. 



P. spectablle (remarkable). A synonym of Nephrodium vittontm. 



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

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

 distant fronds cordate-hastate, 6in. 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 Isles. SYN. Colysi* 

 spectra. 



P. sporadocarpnm (spore-fruited). A synonym of P. aureum 

 areolatum. 



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

 adpressed scales, sti. erect, 6in. to 12in. long, rigid, scaly. 

 fronds 6in. to 12in. long, 2in. to 4in. broad, cut nearly or quite to 

 the rachis into entire, bluntish pinnae, 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 Mexico to Peru. 

 SYN. Lepieystis tquamata. 



FIG 243. FROND OF POLYPODIUM STIGMATICTJM. 



2c 



