194 



The Dictionary of Gardening, 



Folypodium — continued, 



P. stegnogrammoides (Stegno^amma-Iike). can. siib-arbo- 

 rescent. sti. Uft. tn 2ft. long, erect, tirm, pubescent upwards. 

 /fOiids 2ft. to 3ft. htnti., 1ft. or more broad ; pinnse 6in. to 9in. 

 long, liin. broad, the edge bluntly lobed about a quarter the way 

 down, the apex acuminate ; rachis and veins beneath slightly 

 hairy, son' m rows near the midrib. Sandwich Isles. SvNS. 

 P. tiundcu-eiisp, Goniopteria ute'jnogranirnoides. 



P. Stlgmatlcum (dotted), rhiz. slender, wide-creeping, fibril- 

 lose, /roiidti sab-sessile, 4in. to 5in. long, ^In. to jin. broad, 

 entire, gradually narrowed towards both ends^ both sides naked. 

 aori uniserial. arcoliv fine, copious, with distinct, free veinlets. 

 Columbia. See Fig. 243. Svn. Anapeltis venona. 



P. stlgmosum (dotted). r?iiz. short-creeping, with ferruginous 

 scales, .tti, somewhat tufted, firm, erect, lin. to 6in. long. 

 fronds lift, to 2ft. long, lin. to 3in. broad, the lower part 

 gradually narrowed, the apex acuminate, the edge entire ; lower 

 surface tomentose. -sori very small, in several rows between the 

 transverse veinlets, continuous, occasionally covering the whole 

 frond except the base. North India, Ac, 1823. Svn. Niphobulus 

 cos(atuj>: 



P. snbaurlculatum (sli^htly-eared). rhiz. wide-creeping, with 

 dull brown scales, uti. hrni, erect, 6in. to 12in. long, naked, 

 glossy, frvndii 2ft. to 3ft. long, 8in. to 12in. broad, decurved, 

 oblong-lanceolate ; pinnff* 4in. to 6in. long, Ain. to lin. broad, 

 sessile, the base rounded or auricled, the edge .slightly toothed or 

 entire, sort distinctly immersed, uniserial. areola' in two or three 

 rows. Himalayas, &c. Sy^. Schrllolepismbauriculata. The variety 

 Reinwardtii is crenate instead of dentate. 



P. subfalcatum (slightly sickle-shaped), sti. less than lin. long, 

 hairy, densely tufted, inuuh bin. to 9in. long, lin. to Uin. broad ; 

 pinn;e close, spreadiuL', toothed one-third to half way' down, de- 

 current at base, the lower ones gradually reduced ; both surfaces 

 slightly villous. s(m in rows, one to each tooth. Malay Isles, 

 1839. 



P. SUbpetiolatum (shortly-stalked), rhiz. wide-creeping, stout, 

 with ferruginous scales, sti. 4in. to 6in. long, stramineous, firm. 

 fronds 1ft. or more long, 6in. to Bin. broad ; pinnfe 3in. to 4in. 

 long, iin. broad, with a slightly crenate edge and a blunt point, 

 the lower ones rounded at base, sub-petiolate ; rachis and both 

 surfaces finely villous, sorl in rows nearer the midrib than the 

 ed^e. Mexico, &c., 1845. P. biserratum is, according to Mr. 

 BaKer, merely a form of this species, with much more elongated 

 fronds, more numerous piun;e, and more distant sori. 



P. surrucuchense (Surruchu). rhiz. stout, densely grey-scaly. 

 sti. firm, 6in. to 12in. l.uig, glossy, fronds 1ft. to 2ft. long, Sin. to 

 12in. broad ; pinn;v 4in. to 6in. long, about iin. broad, erecto- 

 patent, numerous, the base sub-cuneate, the edge entire, sori 

 prominent, in a single series with the areol*. West Indies to 

 Ecuador. Syn. Goninphlebium surrucuchense. 



P. Swartzii (Swartz's). rhiz. slender, wide-creeping, mth ferru- 

 ginous scales, sti. slender, iin. to lin. long, naked, fronds 2in. to 

 4in. long. ^in. to lin. broad, nearly <u- quite uniform, gradually 

 narrowed to both ends, with a slightly lobed or entire edge, sort 

 uniserial on free veinlets. areohe fine, copious, irregular. West 

 Indies and Cayenne. Svns. P. serpens, Anapeltis serpens. 



Fig. 244. Rhizome of Polypodium Fiupes, with fronds. 



P. tenellum (tender), rhiz. woody, wide-creeping, scaly when 

 young, sti. firm, 2in. to 3in. long, nearly naked, jointed near the 

 base, froiuts 1ft. to 2ft. or more long, 2in. to 4in. broad, pendent ; 

 pinnfe 2in. to 3in. long, ^in. broad, entire or obscurely crenated, 

 narrowed towards both ends, sori in rows near the edge. 

 Au.stralia, &c., 1823. Cfreenhouse. Svn. Arthopterix tenetla. 

 P. Piliprs is a young state of this species. See Fig. 244. 



P. tenuifolium (slender-fronded). rhiz. stout, with reddish- 

 brown, tibrillose scales, sti. slender, erect, 2in. to 3in. long 

 fronds Bin. to 12in. long, Uin. to 2in. broad, cut to the rachis; 

 pinnae distant, entire or slightly crenated, linear, blunt, sort 

 shghtly immersed, in two rows of six to ten each to a pinna. 

 SYN. P. Otitcs. 



Polypodiuin — contijiued. 

 P. terminale (terminal). A garden form of /'. Phymatode«. 

 P. tetragonum (four-angled). A synonym of P. androgynutn. 

 P. thyssanolepis (fringed -scaled), rhiz. ^in. long, firm, slender, 



widecrieeping, with dense, pale brown scales, sti. erect, 3in. to 

 12in. long, stiff, scaly, fronds 3in. to 9in. long, 2in. to 4in. broad, 

 lanceolate, simply pinnate ; pinme Jin. to iin. broad, blunt, entire, 

 distant, ligulate, ascending, all except lowest (which are not re- 

 duced) dilated at base ; lower surface densely clothed with 

 minute, ciliated, brown, lepidote scales, sori and areolce unl- 

 seriate. Mexico to Peru. Syn. Goniophlebium thyssanolepis. 

 P. trlchodes (hair-like), sti. scaly at base, and hirsute, fronds 

 1ft. to 4ft. or more long, bi-tripinnate ; se^ents finely divided, 

 covered with minute, white hairs. East Indies, 1840. Greenhouse. 

 Svn. Phegopteris trichodes. 



P. trlchomanoldes (Trichomanes-like).* sti. short, densely 

 tufted, deciduously hairy, fronds 3in. to 6in. long, about iin. 

 broad, cut to the rachis ; pinnje less than one line liroad, close, 

 linear-oblong, blunt; surfaces sometimes hairy, sori one in each 

 pinna, near the base. West Indies, &c., 1822. 



P. trifidum. (thrice-cut), rhiz. stout, with bright feiTUginous 

 scales, ■•.ti. Sin. to 6in. long, firm, erect, glossy, fronds 6in. to 

 12in. long, 6in. to 8in. broad, with a large, linear, terminal lobe, 

 and one to five similar ones on each side, which reach down 

 within iin. of the rachis, and are 4in. to 6in. long, iin. to liin. 

 broad, narrowed to the point, the edge obscurely remand or 

 entire, sori uniaeriate, and one only between each mam vein. 

 areolfV copious, between the transverse veinlets. India, &c. 

 Svns. P. oxylobum, Pleuridiuni oxylobuni. 



P, trifUrcatum (thrice-forked), rhiz. creeping, stout, densely 

 scaly, sti. 3in. to Sin. long, close, villous, frequently bent. 

 fronds 6in. to 9in. long, lin. or more broad, with blunt, entire, 

 broad lobes reaching from one-third to half way down, sori 

 copious, mainly in two rows in each lobe, immersed. West Indies 

 to Peru, 1820. 



P. triquetrum (three-sided), rhiz. woody, stout, with dense, 

 almost scarious scales, sti. 4in. to Sin. long, distant, firm, erect. 

 fronds, barren ones 6in. to 9in. long, 2in. to 3in. broad, with 

 an entire edge, and an acuminate apex ; fertile ones rather 

 narrower and longer, sori in two close rows between the main 

 veins, five to eight between the midrib and edge, not immersed. 

 Java. Syn. Pleuridimn triquetrum. 



P. unidentatum (once-toothed), sti. 1ft. long, tufted, with 

 dark brown scales, fronds 2ft. to 3ft. long, 1ft. or more broad, 

 deltoid ; lower pinme largest, deltoid, bin. to 9in. long, 4in. to 

 5in. broad ; pinnules lanceolate, the lower segments distinct, 

 ovate-oblong, deeply pinnatitid, with slightlj^-toothed lobes, sori 

 sub-marginal. Sandwich Isles. This species is rather rare in 

 cultivation. Syn. Phegopteris unidentata. 



Fig. 245. Creepi.ng Rhizome of Polypodium vacciniifolium. 



P. Tacclnilfolium (Whortleberry-leaved).* rhiz. very wide-creep- 

 ing, slender, clothed with grey or ferruginous scales, fronds 

 dimorphous, almost sessile, entire; barren ones lin. to 2in. long, 

 iin. to Mn. broad, roundish or elliptical, obtuse ; fertile ones 

 linear or ligulate. sori large, uniseriate. Jamaica to Paraguay. 

 See Fig. 245. Svn. Lopholepis vaccinifolia. 



P. vacUlans (changing). A synonym of P. loriceum latipes. 



