An Encyclopedia of Horticulture. 



131 



Aspleuiiun — continued. 



linear loins, soi-i in the divided form quite inarjErinnl. New Zea- 

 land, Ac. SVNS. A. odo7ititeif iind Darea jlaccida. 

 A. fceniculaceum (Fennel-like). A variety of A./ra;rrans. 



Fig. 171. Asplenium fontanum. 



A.fontanuin(rock).* sti. tufted, 2in. to 4in. long, fronds Sin. to 

 6in. Ion;;, liii. to liin. broad, oblong-lanceolate ; lower pinnre 

 sluirt, rt'Hexed ; central ones horizontal, about ^in. long ; pinnules 

 stalked, lower ones oblong, deeply inciso-pinnatifid. suri copious, 

 covering nearly the whole under surface of the pinnule. England, 

 &c. Hardy. This requires to be planted in a well-drained chink 

 of the rockery, in rich gritty soil. Syn. ^1. Ualleri. A. refractum 

 is a well-marked variety. See Fig. 171. 



A. formusum (beautiful), sti. tufted, very short, fronds 12in. to 

 18in. long, lin. broad, with twenty to thirty sessile horizontal 

 piim.-e on each side, which are iin. lonfj, one and a-half to two 

 lines deep ; upper edge deeply cut, point rather obtuse, lower 

 edge truncate in a straight line, sori linear-oblong, short, 

 oblique, placed one to four on each side of the midrib. Tropical 

 America, Ac, 1822. A very elegant stove species. 



A. fragrans (fragrant).* sti. tufted, 4in. to Bin. long fronds 6in. 

 to 9in. long, 3in. to bin. broad, sub-deltoid, tripinnate, wth 

 numerous close placed deltoid pinnai on each side, the lowest Sin. 

 long, lin. to Uin. broad; pinnules lanceolate-deltoid; segments 

 sub-spathulate, one line broad, dentate round the outer edge. 

 sori copious. Tropical America, 1793. A. fmniculacettm is a 

 variety with narrowly linear ultimate segments. Both are very 

 handsonu- stdv*- plants, the latter being especially beautiful. 



A Franconis (Franconis).* bU. tufted, 1ft. long, fronds 1ft. to 

 2ft. long. Sin. to 15in. broad, deltoid, with numerous pinn» on 

 each .side, the lower ones 6in. to 8in. long, much acuminated, cut 

 down in tlie lower half into distinct pinnules, Uin. to 2in. long, 

 ^in. broad, lanceolate, unequal sided, the edge cut half-way down 

 below into oblong sharply-toothed lobes ; the lower side obliquely 

 tnmcate. sori in parallel rows, not reaching the edge. Mexico, 

 &c. Stove species. Syn. Diplazium Franconis. 



A, farcatum (forked).* sti. tufted, 4in. to Bin. long, fronds 6in. 

 to IBin. long, 4in. to 6in. broad, with twelve to twenty pinnre on 

 each side, which are lanceolate-deltoid, 2in. to 3in. long, fin. to 

 lin. broad, nearly or quite pinnate ; pinnules liuear-cuneate, 

 sharply serrated on the outer edge, sori linear, distant. Very 

 widely distributed in the tropical and sub-tropical regions of 

 })oth lifiui.sj>IitMe3. A most elegant greenhouse species. Syn. 

 A. priT)iior.sutn. 



A germanicum (Geiman).* sti. densely tufted, 2in. to 4in. long. 

 fronds 2m. to 3in. long, ^in. to lin. broad, lanceolate, cut down to 

 the rachis into a few narrow flabellato-cuncate pinna; on each side, 

 the lowest of which are again deeply cleft, sori linear, wlien 

 mature covering the whole breadth, but falling short of the point 

 of tlie pinnie. Scotland and Norway to Hungary and Dalmatia. 

 Hardy or frame species. Syn. A. aUermfoHum. 



A glganteum (gigantic). A synonym of A. radicans. 

 A Goringianum pictum (painted).* A very pretty form of 

 A. macrovarjmm; the fronds are from 6in. to 18in. long, pendu- 

 lous, somewhat lanceolate in form; rachis reddish, with the 

 })innie next it on each side variegated, forming a central grey 

 )and throughout its entire length. Japan. Greenhouse species, 

 or hardy in sheltered positions. 



A grandifolium (large-leaved), sti. 1ft. or more long, fronds 

 2ft. t<» 3ft. long, 9in. to 12in. broad, deltoid-lanceolate, the point 

 pinnatitid, with twelve to twenty pinna' on each side ; the lower 

 ones 2in. or more apart, distinctly stalked, 4in. to 6in. long, lin. to 

 liin. broad, acuminate ; edge sliglitly tootlied, and sometimes 

 broadly lobed below, the base equally rounded on both sides. 

 sftri irregular, falling slightly short of both midrib and edge. 

 Tropical America, 1793. Stove species. Syn. Diplazium grandi- 

 folium. 



A Grevillei(GrevilIe's). /ronrfs undivided. 12in. to 18in, long, 

 2in. to 3in. broad, lanceolate-spathulate, narrowed to an acute 

 apex, and suddenly below to a broadly winged stipe, which grows 



Aspleniiim^ — continued. 



very gradually narrower downwards ; the margin entire. soH 

 usually extending within a short distance of the edije. India 

 Stove species. 



A, Halleri (Haller's). Synonymous with A. fontanum. 



A. Hemionitls (Hemionitis).* sti. tufted, 4in. to Sin. long, fronds 

 4in. to 6in. each way, hastate, with a triangular, acute terminal 

 lobe, and two large, cordate, acute lateral <mes, again bluntly or 

 acutely lobed at the base ; the basal sinus rounded, lin. or more 

 deep, and the lobes on each side imbricated over one another and 

 the petiole, sori narrow upon the simple veins. South Europe, 

 Arc. A pretty greenhouse species. Sv,\. .4. palmatum. 



A H. cristatum (crested).* Similar in frond form and size to the 



species, but the apices are crested and tasselled. Where variety 

 is .sought, this should certainly be grown. 

 A H. milltlfidum (much-divided).* fronds quite as broad as 

 long ; the main divisions again freely divided or deeply cut, so as 

 to give them a fringed outline. Azores. 



A. lieterocarpuin (various-fruited).* sti. scattered, 4in. to 9in. 

 long, fronds bin. to 15in. long, Uin. to 2in. broad, narrow-lanceo- 

 late, \vith very numerous close-placed dimidiate pinna; on each 

 side, which are Jin. to lin. broad, iin. deep ; the lower edge quite 

 entire, the upper broadest towards the base, where it is nar- 

 rowed suddenly, deeply incised throughout, sori one, or rarely 

 two, together in the teeth. Himalayas, and widely distri- 

 buted in south-eastern Asia. A very lovely stove or greenhouse 

 species. 



A heterodon (variously-toothed). Synonymous with A. trulcani' 

 cum. 



A Hookerlanum (Hooker's). Synonymous with A. Colensoi, 



A incisuxn (incised), sti. tufted, lin. to 3in. long, fronds 6in. to 

 12in. long, Uin. to 2in. broad, lanceolate, with numerous pinnse on 

 each side ; lower distant and blunt, central ones lin. long, Ain. 

 broad, lanceolate-deltoid ; pinnules ovate-rhomboidal, pinnate, 

 much truncated at the base on the lower side and deeply inciso- 

 pinnatifid. sori linear-oblong, one to each vein. Japan, Ac. 

 Greenhouse species. 



A JaTanlcum (Javanese). See Allautodla Brunoniana. 



A. lanceolAtum (lanceolate).* sti. tufted, 3in. to 4in. long, fronds 

 6in. to 9in. long, 2in. to 4in. broad ; lower pinnae distant, lin. to 

 IJin. long, \\n. to |in. broad ; pinnules oblong-rhomboidal, sharply 

 toothed, and often broadly lobed below, sori copious, when 

 mature covering nearly the whole under surface. South-west 

 Europe, including southern England, &c. Hardy species. 



A L crispatum (curled).* fronds 4in. to Bin. long, broadly- 

 lanceolate, bipinnate, %vith the margins of the pinnules involute 

 and sharply toothed, giving them a curled appearance. 



A L mlcrodon (small-toothed).* /ro»//s 4in. to 6in. long, simply 



S)innate, with deeply lobed pinn*, the margins of the lobes very 

 inely dentated and "toothed. A pretty little gem, well adapted for 

 case culture. 



A lanceum (lance-shaped). sti, scattered, 4in. to 6in. long. 

 fronds 6in. to 9in. long, fin. to lin. broad, attenuated gradually 

 upwards and downwards, the edge entire or slightly undulated. 

 sori linear, irregular, reaching nearly to the edge, but not to the 

 midrib. Himalayas, &c. Greenhouse species. Syn. A. sub- 

 sinuatum and Diplazium lancexmi 



A laserpitiifollum (Laserpitium -leaved).* sti. tufted, 6in. to 

 12in. long, naked, fronds 1ft. to 4ft. long, 4in. to IBin. broad, 

 deltoid-lanceolate, with numerous pinnre on each side, 2in. to Sin. 

 long, and from 2in. to 6in. broad, cut down to the rachis into 

 numerous distinct pinnules, the lowest ^vith rhomboidal-cuneate 

 segments, sori short, irregular. Polynesian Islands, North Aus- 

 tralia. &c. A very handsome greenhouse species. 



A. laxum (loose). A variety of A. bulhifertt'in. 



A llneatum (streaked), sti. tufted, 6in. to Sin. long, fronds 1ft. 

 to 2ft. lung, 4in. to Bin. broad, olilong-lanceolate, with twenty to 

 thirty pinnje on each side, which are 3in. to 4in. long, about iin. 

 broad, acuminate, dentate, nearly or quite sessile, the base 

 cuneate. sori very regular, reaching from the midrib nearly to 

 the edge. Mauritius, &c. There are several forms of this species : 

 those with small narrow cuneate pinnules, inequale ; those with 

 deeply bifid or pinnatifld pinnules, bifida. Stove species. 



A, longiSSimiun (longest).* sti. tufted, Sin. to 12in. long, fronds 

 2ft. t(t 8ft. long, 4in. to Bin. broad, lanceolate-elongate, pendulous, 

 proliferous, and rooting at the apex, with very numerous pinna' 

 on each side, which are 2in. to 4in. long, Jin. broad, acuminated, 

 the two sides nearly equal, with a distinct central midrib ; edge 

 slightly toothed, the base on both sides often auricled. sori 

 numerous, in two regular rows on each side the midrib, and 

 reaching nearly to the edge. Malacca, &c., 1840. A very distinct 

 stove fern for baskets. 



A. lucidum (clear). A synonym of A. ohtusatum Iticidum. 



A lunulatum (crescent-shaped).* sti. tufted, 2in. to 4in. long. 

 fronds bin. to 18iu. long, l^in. to 2in. broad, simply pinnate, 

 narrowly lanceolate-oblong, with twelve to twenty pinufe on each 

 side, which are lin. to liin. long, Jin. to iin. broad, bluntish or 

 acute, more or less deeply inciso-crenate throughout, the two sides 

 unequal ; the upper one on the base narrowed suddenly, the lower 

 one obliquely truncate ; lower pinn.'e often deflexed. sori falling 

 short of both edge and midrib. Tropics. Syn. A. erectum. 



