An Encyclop-<edia of Horticulture. 



127 



Aspidium — amfin veil. 



jxiiiit imuTniiHti', oilfxe spimiloso-serrateil, the upper side shnrply 

 auiirlcd at tlu- t)ase, tlu> lower oliliiiuely truncate. llritajti, A"c. 

 A very wiilely-spit-ail hanly sjieeies. SvN. J'olystichitm LonrhitU. 

 A. mcniscioidcs (.Meniscium-like). ttli. 1ft. to 2ft. loiijLf, scaly 

 below, jnru'ls 2ft. to 3ft. l<iiij;, 1ft. or more broad, pinnate ; 

 barren i)iiin;e sessile, 6in. to 9in. lonj;, IJin. to 2in. broad, oblong- 

 acuniinate, nearly entire ; fertile pinn;c much stnaller. isori in two 

 close rows between the i>ritnary veins. West Indies, &c. Stove 

 species. Sy.ns. ,1. con^fertain and Ci/clodiuin meniscioides. 



A. mohrioides (Mohriadike). sti. tufted. 2in. to 6in. Ion;?, more 

 or less densely scaly, /nmiis 6in. to 12iu. lon.s;, 2in. to 3in. broad, 

 bipinnate ; piniue numerous, frequently imbriwited, lanceolate, 

 cut down below into sli.u;htly toothed, oblong-rhomboidal pin- 

 nules, sori copiitus. I*ataj;onia and the Cordilleras of Chili. 

 Greenhouse species. Svn. J'oli/iiticlntm ■trmhrinidcs. 



A mucronatum (nnicronated).* sti. tufteil, 2in. to 4in. long, 

 cU-iiscly mmIv. innitl.s 12in. to 18in. long, IMn. to 2in. broad, pin- 

 iiatt^ titiuui;hi>ut ; pinn;e vt-ry numerous, often indiricated, 'Jin. to 

 lin. long, .'jin. to ;;in. liroad, sub-rhomboidal, unequal-sided, 

 mucronate, sub-entire, distinctly auricleil at the upper base, son 

 in a long ntw oneach .side the midrib. West Indies. Stove or 

 greenhouse species. WYN. Polystichum mucronatum. 



A, mnnltnin (armed).* sH. tufted, 4in. to 9in. long, densely 

 scaly. Jroiids 1ft. to 2ft. long, 4in. to Sin. broad ; i)innai close, 2in. 

 to 4in. long, about ^in. broad, acuminate, finely spinulose and 

 serrated throughout, the upper side auricled, "and the lower 

 obliquely truncate at the base, sori in two rows near the edge. 

 California, itc. Hardy; very fine. Syn. Pvlysticlmm munitum. 



A. ncphrodioldes (Nephrodiumdike). Synonymous with A. 

 Hoohrri. 



A, ocellatum (spotted). Synonymous with A. auriculatum. 

 A. pungens (stinging), rln'z. stout, sti. scattered, 1ft. long, smTv 

 below only, froitds 2ft. to 3ft. long, 9in. t<) 12in. broad ; lower 



{>inn;e 4in. to 6in. long, 2in. to Sin. lu-nad ; pinnules ovate-rhom- 

 )oidal, unequal-sided, often deeply pinnatifid. sari principally in 

 two rows near the midrib. Cape Colony. Greenhouse species. 

 Svn. Polystichum puiir/ens. 



A repandum (wavy-leaved), sti. 1ft. to 2ft. long, naked, fronds 

 2ft. or more lung, 12in. to ISin. broad, apex deeply pinnatifid, 

 witli linear-oblong, slightly siuuated lobes ; lower pinn^e four to 

 eight on eacii side, bin. to Sin. long, l:iin. to VAw. broad, acumi- 

 nate : edge bluntly sinuated, the lowest stalked and forked, sori in 

 two distinct rows near the main vein. Philippines. Stove species. 



A rhizophylltUD (frond-moting). sti. tufted, lin. to 2in. long, 

 sleniler. /nuid-s 2in. to 6in. long, ^in. In'oad, with the long, 

 narrow upper half of the froiul lengthened out and rooting, the 

 lower half cut down to a flattened fibrilloso racliis into oblong- 

 rhomboidal snb-eutire lobes about ^in. broad, ^in. deep, sari 

 scattered. Jamaica, 1820. Stove or cool house species. SYN. 

 Pobfsticfiiim r/ilziij'/ii/Utwi. 



A semicordatum (half -cordate), sti. scattered, 6in. to 12in. long. 

 jroinf\ 2ft. to 3ft. long. Bin. to 12in. broad, sinijdy pinnate ; piima^ 

 spreading, 4in. to 6in. long, Mn. to :;in. broad, nearly entire, acu- 

 minate, (;ordate or truncate at the base, sori in one to three 

 rows on each side, the inm-r one close to the midrib. Tropical 

 Ameiitui, *Vc. Svn, P»bisficlnttii seuiicordatum. 



A trapezioides t'i'rapezium-like). Synonymous with A. viviparum. 



A triangulum (triangular).* sti. tufted, 2in. to 6in, long, base 

 scaly. Jroadti 1ft. or more long, lAiti. to 2in. broad ; pinnre nume- 

 i-ous, sessile, lower ones distant, 'central ones -Jin. to lin. long, 

 about %ix\. broad, sub-ileltoid. lower side obliquely truncate ; apex 

 mucronate, edge suh-entirt' or sli-htly li.lu'd, witli ))hnitorspinose 

 teeth, one or both sides aurirNd at tln' ba.se. sori iirincipally in 

 two rows near the edge. West Indies. Stove or greenhouse 

 species. Sv.N. Pobjstickuvi trianyulum. 



A trifoliatum (tbree-leaved). sti. tufted, 1ft. or more long, base 

 only scaly, jmmls 12in. to ISin. long, 6in. to 12in. broad, with a 

 large r)vate-aeuniinate terminal jdnna, narrowed or forked at the 

 tta.-e, anil one or two lateral ones on each side, the lowest mostly 

 forked, sori in rows near the main veins. Tropical America. 

 Stove spefifs. 



A t, heraclelfolium (Heracleum-leaved). A form with pinn£e 

 pinnatitid on both sides at the base. 



A. tripteron (tbree-wingetl). sti. 6in. to 9in. long, densely scaly 

 at base. Jronds 12in. to 18in. long, with a large terminal and two 

 small spreading lateral pinna- at tlie base of it, the former 2Vin. 

 to Sin. broatl, with very numerous spreading pinnules on eacii 

 side, l^in. Ions, about Ain. broad, unequal sided, acute, deeply 

 inciso-iMiiuatilid, the lower lobes again toothed ; lateral pinnae 3in. 

 tt> 5in. long, Uin. to 2in. broad, sori principally in two rows nnd- 

 way lietween miihib and edge. Japan, Greenhouse species. Svn. 

 Piiliishfliiim. iriptenm. 



A. varimn (variable).* rhiz. sub-creeping, sti. 6in. to 12in. 

 long, deii.sely Hl.rillose b<>low. J'rniids 12lii. to 18in. long, 9iu. to 

 12in. broad, laiiriolatt.--deltoid ; lower pinna- nnicb tlie largest, 

 sub-deltoid, niuMiual sidi'd. 4in. to 6in. long, 3in. to 4in. broad; 

 pinnules lann-olnt.-, indirirate.t, with olihuig, blunt, slijrhtly 

 toothed .sc;;nietds. .m'/i principally in two rows near tlie midrib. 

 Japan. (Ireenlnmsi! spc-rius. SvNS. Ln^lrra raria and J'ob/- 

 stichum. varium. It is frequently met with in gardens imder the 

 former name- 



Aspidium — rnnh'mted. 

 A, viviparum (bud-]H-(nlucing). sti. tufted, 4in. to6in. long, scaly 

 at the liase. froitdti 12in. to 18in. long, 4in. to 6in. In-oad ; pinna- 

 numerous, nearly lanceolate, the centi-al ones 2in. to 3iTi. long, 

 about Ain. broad, mucronate, sometimes bud-bearing, tlie edge 

 more or less deeply lobed, in the lower part s(Uuotimes ipute down 

 to tlie raihis, the upjier side auricled. suri in two or four rows. 

 Wi'st Indies. Stove or greenhouse species. SvNS. A. trapezioides 

 and Pobi.stirliiim. ririparum. 



ASPIiSNIUM (from a, not, and s-pleUy spleen ; ro- 

 f erring to tlio medicinal properties formerly attriliutod 

 to the genus). Spleenwort. Ord. Filices. Inehuling- 

 Anisixjoiiiiim, Athyriuni, Celerach^ Ccena'pteris^ Darea, 

 Dlplaziuin, Hemidictywm, Neottojiferia. A very birgo and 

 widely-spread genus, including- species suitable for the 

 stove, toniptu'ate, and hardy fornoriea. Sori dorsal or sub- 

 marginal, linear or oblong^. Involucre similar in shape, 

 straight or occasionally curved, single or double, plane or 

 tuiuid, bursting along the outer edge. The tropical species 

 should be grown in a compost of peat, loam, and sand ; the 

 hardy sorts in a mixture of fibrous peat and sand. (i(od 

 drainage is at all times required. For general culture, see 

 Ferns. 



.i;":'^- 



d 



Fig. 163. Asplkmum Adiantum-niciii'm, showing Uootstock 

 back of Fertile Fronds. 



A. abscissum (clipped), .-iti. tufted, 4in. to Sin. long, fronds 

 6in. to 12in. Imii;. 3in. to 4iu. broad, sometimes prolifei'ous at the 

 apex, with twelve to twenty horizontal pinna- on i\ich side, which 

 are lAtn. to 2iTi. l"Mig, about Ain. binail, bInntiNh ; edge inciso- 

 creiiate, the upper one narrowed suddenly at the base, the lower 

 one 4t)iliquely truncate. s>tH short, in two regular rows, falling 

 short of Imtli niidriband etlge. Ti'opical America. Stove species. 

 SvN, .1. firiiiiiiU: 



A. acuminatum (taper-pointed). "• sti. 6in. to9in. long, fronds 

 1ft. to 2[t. long, yin. to 12in. broad, with very numurou.s close- 



