AN ENCYCLOPAEDIA OF HORTICULTURE. 



187 



Folypodinm continued. 



2ft. long, 1ft. or more broad, with several distant, erecto-patent 

 pinnae on each side, which are 6in. to lOin. long, and Jin. to fin. 

 broad, the apex acuminate, the edge slightly repand towards the 

 point, the base narrowed, the lower ones stalked ; upper surface 

 with small, white dots at the edge or all over, sort in a single row 

 midway between the edge and midrib. Malay Isles and Philip- 

 pines. (H. G. F. 47.) SYN. Phymatodes albo-sguamata. 



P. alpestre (alpine), sti. 4in. to 6in. long, tufted, scaly below. 

 fronds 1ft. to 2ft. long, 6in. to 8in. broad, oblong-lanceolate ; 

 pinnae lanceolate, 3in. to 4in. long, lin. to ijin. broad ; pinnules 

 deeply pinnatifld, with toothed lobes, sori small, one to four to 

 each lobe. Cold regions of Northern hemisphere (Britain, <fec.). 

 This species closely resembles Asplenium Filix-fcemina. SYN. 

 Pseudathyrium alpestre. 



P. a. flexile (pliable). A variety of more flaccid habit ; the pin- 

 nules oblong, with fewer lobes, and a broad, uncut centre. SYN. 

 Pseudathyrium Hexile. 



P. amphostemon. A form of P. angustifolium. 



P. androgynum (hermaphrodite), sti. 1ft. to 2ft long, erect, 

 naked or slightly villous. fronds 1ft. to 3ft. long, 1ft. or more 

 broad ; pinnae 6in. to Sin. long, Jin. to lin. broad, numerous, 

 spreading, lowest narrowed at base and sometimes stalked, cut a 

 quarter to half way down into blunt lobes ; rachis and under side 

 sometimes slightly hairy, sori in rows near the midrib. Cuba to 

 Peru, 1843. SYNS. P. tetragonum, Ooniopteris tetragona. In 

 the form ineqalodus, the pinnae are IJin. and the lobes iin. 

 broad, the latter sub-falcate. 



IJJbjg!^ 



FIG. 230. POLYPODIUM ANGUSTATUM. 



P. angustatum (narrowed), rhiz. stout, wide-creeping, clothed 

 with whitish, linear, deciduous scales, sti. 2in. to 4in. long, 

 strong, erect, fronds 6in. to 12in. long, iin. to liin. broad, 

 ligulate, entire, very coriaceous ; upper surface naked, the lower 

 clothed with adpressed, cottony, sub-ferruginous tomentum. son 

 large, prominent, in rows near the edge of the contracted 

 upper part, and sometimes confluent North India, New South 

 Wales, &c. Greenhouse. See Fig. 230. (H. G. F. 20.) 



P. angustatum (narrow), of Blume. A synonym of P. palmatum. 



P. angustifolium (narrow-fronded). rhiz. stout, epigaeous, 

 brown-scaly, fronds 1ft. to IJft. long, only Jin. broad, quite 

 entire, with an acute point ; the lower part gradually narrowed 

 into a generally short stem ; edges often revolute. ortand areolce 

 in from one to four rows between the midnb and edge ; the 

 former in two rows between the main veins. Cuba, Brazil, &c., 

 1820. SYN. Campyloneurum angustifolium. A very variable 

 species. The broadest form, amphostemon, has fronds lin. broad, 

 with four rows of sori ; the variety ensifolium has narrow, sessile 

 fronds, with the areolae and sori in one row between the edge and 

 midrib. 



P. argutum (pungent), rhiz. Jin. thick, firm, wide-creeping, 

 with minute, dark brown scales, sti. Sin. to 6in. long, naked, 

 castaneo-stramineous. fronds oblong-lanceolate, sub-erect, 1ft. 

 to 2ft. long, Sin. to 12in. broad, simply pinnate ; pinnae ten to 

 twenty-jugate, ligulate, acuminate, faintly inciso-crenate, iin. to 

 |in. broad, many free and distant, the lowest not reduced, son 

 and areolce uniserial, the former not close, nearer the midnb than 

 the edge. Himalayas, 1843. Greenhouse. 



P. asperulum (rather rough), sti. brownish, firm, terete, 

 pubescent, fronds IJft. to 2ft. long, 1ft. or more broad lower 



Folypodinm continued. 



pinnae 6in. to 9in. long, iin. broad, unequal-sided, cut down to 

 the rachis below into oblong, pinnatifld segments ; both surfaces 

 villous. sori copious, one to each ultimate lobe. Philippines 

 1842. SYN. Phegopteris asperula. 



P. asplenloides (Asplenium-like). A variety of P. reptans. 



P. attennatum (thin), of Robert Brown. A synonym of 

 P. Brovmii. 



P. aureum (golden).* rhiz. stout, wide-creeping, clothed with 

 bright, ferruginous scales, sti. 1ft. to 2ft. long, stout, erect, glossy. 

 fronds 3ft. to 5ft. long, 9in. to ISin. broad, with a long, linear- 

 lanceolate, terminal lobe, and cut throughout within about iin. 

 of the rachis into numerous, undulated, lateral pinnae, 4in. to 9in. 

 long, about lin. broad, with a rounded sinus between, sori 

 irregularly one to three-seriate, areolce copious. Tropical 

 America and Australia, 1742. SYN. Phlebodium aureum. 



P. a. areolatum (areolate). A variety with smaller, more cori- 

 aceous, and very glaucous fronds, closer lobes, and uniserial sori. 

 SYNS. P. sporadocarpum, Phlebodium areolatum. 



P. a. pulvinatum (cushion-like). This resembles P. a. areolatum, 

 but the fronds are hardly at all glaucous, and the terminal lobe 

 is very small. SYN. Phlebodium pulvinatum. 



P. auriculatum (eared), sti. tufted, lift to 2ft long, decidu- 

 ously villous. fronds 3ft. to 4ft. long, 1ft. or more broad ; 



S'nnae 6in. to Sin. long, lin. broad, cut down nearly to the rachis 

 to close, spreading, entire, blunt lobes ; lower pinnae reduced 

 to mere auricles, furnished with a prominent gland at the base 

 beneath, sori borne about the middle of the veinlets. Hima- 

 layas, 1824. 



P. bifrons (two-fronded). rhiz. woody, slender, branched, 

 tortuous, nearly naked, fronds, barren ones 3in. to 4in. long, 

 lin. broad, sessile, elliptical, narrowed at both ends, with blunt 

 lobes, reaching nearly half way down ; fertile ones 4in. to 6in. 

 long, about Jin. broad, entire, short-stalked, sori large, oblong, 

 placed end to end in a row on each side, close to the midrib. 

 Ecuador. SYN. Phymatodes bifrons. 



P. Billardleri (La Billardiere's). rhiz. woody, wide-creeping, 

 with scales black in the centre, sti. 4in. to Sin. long, firm, erect, 

 glossy, fronds varying from oblong-lanceolate and quite entire 

 to 18in. long and 9in. broad, deeply pinnatifld, with lanceolate or 

 linear lobes, sori large, uniseriate, medial or sub-marginal, dis- 

 tinctly immersed. South Australia, &c., 1823. Greenhouse. 

 SYN. Phymatodes Billardieri. 



F. biserratum (twice-serrated). A form of P. subpetiolatum. 



FIG. 231. PINNA OF POLYPODIUM BRASILIENSE. 



P brasiliense (Brazilian), rhiz. stout, with grey scales, sti. 

 6in. to 12in. long, flrm, erect, glossy, fronds 1ft. to 2ft. long, 

 uently 1ft. broad, cut to the rachis into numerous entire, 



erecto-patent pinnte, which are 4in. to 6in. long, 1m. to jin. 



ed, in one or two 



frequently 



erecto-pate , . 



broad, dilated at base, sori slightly immersed, 

 rows, areolce in three or four rows. Brazil, &C., 1837. See 

 Fig. 231. SYN. P. neriifolium. 



P. Brownii (Brown's), rhiz. woody, wide-creeping, with dull 

 brown scales, fronds scattered, 6in. to 18in. long, Jin. to iin 

 broad, ligulate, with a blunt point, entire or slightly repand 

 edges, and the lower part gradually narrowed to a base or short 

 stem, sori large, immersed, arranged in a single row, end to 



