AN ENCYCLOPEDIA OF HORTICULTURE. 



133 



Asplenium continued. 



late, with twelve to twenty stalked horizontal pinn* on each side, 

 which are 2m. to Sin. long, iin. to jin. broad, acute ; edges slightly 

 undulato-crenate, the upper side with a distinct auricle at the 

 base, and then narrowed suddenly, the lower side obliquely trun- 

 cate, tori distant, in two regular rows, falling short of the edge. 

 West Indies, Ac., 1838. Store species. 



A. obtnsilolrain (obtuse-lobed).* tti. tufted, 2in to 4in. long. 

 frond* 4in. to 6in. long, liin. to 2in. broad, with 

 nine to twelve sub-deltoid plume on each side, of 

 which only the inner third on the lower side is 

 cut away, the largest nearly Iin. long, Jin. bread; 

 lowest pinnules Iin. deep, flabellately cut into 

 three to five linear blunt lobes, sort sub-mar- 

 ginaL New Hebrides, 1861. A very pretty little 

 store species. SYS. Darea obtutiloba. 



A. odontites (much-toothed). Synonymous with 

 A.jiaecidum. 



A. oxyphyllnm (sharp-leaved).* tti. firm, 6in. 

 to 12in. long, fronds 1ft. to 2ft long, 6in. to 

 12in. broad, lanceolate, with several pinnae on 

 each side, which are 3in. to 6in. long, Iin. to 2n, 

 broad ; pinnules lanceolate, in the larger forms 

 again pmnatifid ; teeth mncronate. sori in two 

 rows on the pinnae or pinnules midway between 

 the midrib and edge. Himalayas. A very va- 

 riable greenhouse species. SYNS. Athyriam oxy- 

 phyUa and Lastrea eburnea. 



A. paleaceum (scaly).* tti. densely tufted, Iin. 

 to Sin. long, spreading, densely scaly, frmdt (an. 

 to iin. long, Ijin. to 2in. broad, sometimes pro- 

 liferous and rooting at the apex, with twelve to 

 twenty sub-sessile pinnae on each side, which are 

 Iin. long, about iin. broad, bluntish ; edge inciso- 

 dentate, the upper base auricled and narrowed 

 suddenly, the lower obliquely-truncate ; the lower 

 ones stalked, and nearly as broad as long, tori 

 linear, extending nearly to the edge. Tropical 

 Australia. Stove or warm greenhouse species. 



A. palmatom (palmate). Synonymous with A. 

 Hemioniiis. 



A. parvnlnm (smallX Synonymous with A. tri- 



A. perslclfolinm (Peach-leaved), tti. and rathis 

 grey, with a few scattered minute grey scales. 

 fronds oblong-lanceolate, 2ft. to 3ft. long, often 

 gemmiferous at the apex; pinnae ascending, fifteen to thirty, 

 jugate, sub-petiolate, 4in. to Sin. long, linear-lignlate-acumi- 

 nate, iin. to Jin. broad, distinctly crenate throughout, tori 

 regular, reaching nearly to midrib and edge. Philippine and 

 Sandwich Isles. Stove species. 



A. Petrarcha (Petrarch's).* sti. densely tufted, Iin. to 2in. 

 long, frondt 2m. to 3in. long, 410. broad, linear-lanceolate, with 

 six to ten horizontal sessile pinnae on each side, which are iin. long 

 and nearly as much broad, cordate-ovate, blunt ; edge sinuated ; 

 the base unequal, slightly truncate on the lower side, tori 

 oblong, very short, four to six on each side of the midrib. South 

 Europe, 1819. A very rare little gem, best treated in a cool 

 house. 



A. plnnatifidum (phmatifid). sti. tufted. 2in. to 4in. long. 

 frondt Sin. to 6m. long, Iin. or more broad at the base, lanceolate- 



rhich is sinuated 



oblong, iin. deep by nearly as broad^ sinuated and reaching down 

 nearly to the rachis. tori copious. Pennsylvania. Greenhouse 

 or sheltered places outside. 



A. planicaule (flat-stiped).* tti. tufted, Sin. to 6in. long, naked. 

 frondt 6in. to 12in. long, 2in. to Sin. broad, with twelve to twenty 

 stalked horizontal pinnae on each side, which are Iin. to Ijin. long, 

 iin. to fin. broad, acute ; edge lobed about half-way down, and 

 deeply serrated, sori copious, reaching nearly to the edge. 

 Himalayas, up to 6000ft., Ac,, 1841. Greenhouse species. 



A. plantaglneum (Plantain-like), tti. tufted, 6in. to Sin. long. 

 fronds kin. to 9in. long, 2m. to Sin. broad, simple, acuminate, 

 base rounded ; edge slightly undulato-dentate upwards, sometimes 

 lobed towards the base, sori slender, linear, sometimes nearly 

 touching both edge and midrib. West Indies, Ac., 1819. Stove 

 species. SYN. Diplazium plcmtayineurn. 



A. polyphyllum (many-leaved). Synonymous with A. acumi- 

 natum. 



A. przemorsnm (bitten). Synonymous with A. furcatum. 



A. prolongatnin (prolonged). Synonymous with A. rutcc- 

 folium. 



A. pulcheUnm (pretty).* sti. tufted. Iin. to 2in. long, frondt 

 Sin. to 6in. long, Iin. to liin. broad, with twelve to eighteen pinnae 

 on each side, which are iin. to Jin. long, two lines to three lines 

 broad, bluntish, almost dimidiate ; the upper edge crenate, and 

 narrowed suddenly at the base, tori linear, oblique, falling short 

 of the edge. Tropical America. Stove species. 



A. pumilum (small), tti. tufted, Sin. to 4in. long, fronds 4In. 

 to 6in. each way, deltoid, the upper part sinuated only, the lower 



Asplenii 



ntinued. 



cut down to the rachis into distinct pinna, of which the lowest 

 pair are much the largest ; the pinnulJonthe k > werside soniettaet 

 an. long, reaching down to a slightly winged rachis, ac 

 and deeply lobed. sori very obSque; toTloweronS sometime 

 Iin. long! West Indies, Ac., 1823. ' 



species. 

 A. racbirbizon (rachis-rooting). 



A very rare and pretty stove 

 A variety of A. rkizoptutrvm. 



deltoid, with a long, gradually narrowing point, whi< 

 only ; the lobes below this Jin. to iin. deep ; the 



FlG. 173. ASPLESIUM RADICALS. 



A. radicans (rooting), can. erect, sub-arborescent s'i. 1ft to 

 2ft long, tufted, fronds 3ft. to 5ft long, 2ft to 3ft broad, 

 deltoid ; lower pinnae 13in. to 18in. long, 6in. to Bin. broad ; 

 pinnules lanceolate, sessile, the upper ones entire, lower ones Sin. 

 to 4in. long, Jin. to Iin. broad, with blunt lobes, Jin. broad, reach- 

 ing about half way down to the rachis. Lower sori sometimes 

 iin. long. Tropical America. A very variable species. SYXS. 

 A. gifjanteum, Diplazium radicans, D. umbrosum, Ac. See Fig. 173. 



A. refractom (refracted). A variety of A. fontanum. 



(cut or pared).* *ti. scattered, 4in. to Sin. long. 



frondt 6in. to 15in. long, 2in. to 4in. broad, lanceolate-oblong, 

 with ten to thirty sub-sessile horizontal pinnae on each side, which 

 are Iin. to 3in. long, Iin. to iin. broad, almost dimidiate, the point 

 bluntish, all except the truncate part crenate, the upper half at 

 the base narrowed nearly at a nght angle, son not reaching 

 either the midrib or edge. India, Ac., widely distributed, 1820. 

 Greenhouse species. 



lu rnizophorum (root-bearing).* tti. tufted, 4in. to Sin. long. 

 frondt lit to 2ft long, 4m. to 6in. broad, elongated, and rooting 

 at the apex ; pinnae twelve to thirty on each side, sub-sessile, liin. 

 to 2in. long, about iin. broad, inciso-dentate throughout ; the two 

 sides unequal, the upper one auricled and narrowed, the lower 

 one obliquely cuneate. tori not reaching either to the edge or 

 midrib. Tropical America. A very variable stove species. 

 A. r. rachirh\2on, has distinctly separated oblong-rhomboidal 

 pinnules, again deeply cut into narrow segments. 



1. rhlzopbyllnm (leaf -rooting), tti. tufted, 2m. to 6in. long. 

 fronds bin. to 12m. long, liin. to 2m. broad, cut down into 

 numerous close-placed horizontal pinnae on each side ; central 

 ' i, iin. to Iin. broad, cut down throughout nearly to 

 >-patent pinn ' " 

 solitary, sub- 



liin. long, ^with lower pinnules cut down into several simple or 

 forked linear segments. North America, Ac., 1680. Both hand- 

 some greenhouse kinds. 



A. rntwfollum (Rue-leaved).* sti. tufted, 4in. to Sin. lone. 

 fronds 6in. to 15in. long, 2in. to 4in. broad, ovate deltoid, with 

 twelve to twenty pinnae on each side, the lowest sub-deltoid, 

 2in. or more long, cut down to the rachis into numerous erecto- 

 patent distant pinnules on each side, the lowest on the upper 

 side again cut down into erecto-patent linear segments, sori 

 small, marginal. Cape Colony. Alxsautiful greenhouse speciea. 

 S v.N'S. A. prolongatum and Darea rutaefolia. 



A. Bnta-mnrarla.* Wall-rue, tti. tufted, 2in. to 4m. long. 

 frondt Iin. to 2in. long, about Iin. broad, deltoid, cut down to the 

 rachis into a few pinnse on each side, the lower ones again ctrt 



