134 



The Dictionary of Gardening, 



Aspleniujn — eontinued. 



down into spatlniliito-cunpate pinnules, which are seriated round 

 tlie outer cdKo son copious. Oreat Britain, and almost world- 

 wide 111 Its distribution. H.-irdy species. This requires a well- 

 ui:liiic,i position, and a soil composed mainly of old mortar 



A. salicifoUum (Willow.leaved). sH. tufted, 6in. to 12in. lonR. 

 /r,m,ls 12in. to I8111. lon^, 5in. to 9in. liroad. oblong, with a 

 t.-rmiiial pinna and four to ten distinctly stalked ones on each 

 s'.de, which arc 4iii. to 6in. lonR, jin. to lin. broad, acuminate ; 

 edge usually entire, the base equally truncato-cuneate on both 

 sides, sori falling short both of the edge and midrib. West 

 Inilies, (Vc. Stove species. 



A. Sandersonl (Sanderson's).* sH. tufted, lin. to 2in. long, fmiuh 

 bin. to 9in. long, im. to Jin. broad, linear, often geniniiferous at 

 tlie apex, with twelve to twenty lioiizontal diiiii.li.atB pinna! on 

 each side, which are deeply crenato on tbc- iipii.r ed-e, and at the 

 base narrowed suddenly into a wiimeil iietiolo, the lower one 

 nearly straixlit and quite entire, son oblung. Natal, &c. A 

 very rare grrenhouse species. 



A. schizodon (cut-toothed). Synonymous with ^ . rieiltardli. 



A. Scbkubrll (Schkuhr's). cau. erect. Hi. 1ft. to Uft. long. 

 .trnmis deltoid, Ijft. to 2ft. long, tripinnatiHd ; lower pinna; 

 distant, oblong-lanceolate, 6in. to Sin. long, IJin. to 2in. broad, 

 rachis winged to base; pinnules ligulate-oblong, sin. broad 

 sessile, cut into shallow, close, oblong blunt lobes, sm-i 'in 

 medial in a single row in the pinnules. Ceylon. Stove species! 

 SvN. Diplazium Schkuhrii. 



A. Selosll (Selose's).* sti. densely tufted, lin. to 2in. long, wiry. 

 fronds iin. to jin. long, palmately cleft, usually into three nearly 

 equal forks, which are about one line broad, the edge slightly 

 inciso-serrate. sori copious, ultimately occupying the wliole 

 surface. Tyrol and Carinthia. A very rare and curious little 

 species, requiring the protection of the frame or cool house ; it 

 should be firmly potted between pieces of sandstone in loam, 

 leaf-soil, rock chippings and sand, with good drainage. 



A. septentrlonale (northern).* sti. densely tufted, 3in. to 4in. 

 long, fronds simple, or cleft from the apex into two or three 

 cuneate divisions, lin. to IJin. long, one line broad, with a few 

 sharp later,al and terminal teeth, sori elongated, copious, often 

 at last hiding the whole under surface. Great Britain, and 

 widely distributed in both hemispheres. This rare little species 

 requires to be securely planted in a well-drained elevated chink 

 of the fernery outside, in loamy, giitty soil. 



A. Shepherd! (Shepherd's).* sti. tufted, 1ft. long, fronds 12in. to 

 18in. long, 6in. to 9in. broad ; lower pinuie stalked, 4in. to 6in. 

 long, lin. to liin. broad, point acuminate, edge lobed above, iin. 

 liroad, somewhat toothed, sori linear, not reaching the edge. 

 South America. Stove species. Syn. Diplazium Shepherdi. 



A. S. msequUatemm (unequal-sided), fronds, texture firm, colour 

 duller than that of the type; pinnre much acuminated ; the lobes 

 deeper, 111010 uniform, and falcate, the two sides unequal, the 

 lower one unequally truncate at the base. 



A. spathulinum (spathulate). A synonym of A. ajine. 



A. spinulosum (very spiny).* sti. 6in. to 12in. long, scattered. 

 fronds 9in. to 12in. each way, deltoid, tri- or quadripinnatifld, with 

 nine to twelve pinna- on each side, the lowest much the largest, 6in. 

 to 9in. long, 2iin. to 3in. broad, ovate-lanceolate ; pinnules lanceo- 

 late, cut down to the rachis on each side into six to nine oblong- 

 rliomhoidal mucronate segments, two lines long, one line broad, 

 which are sharply toothed, sori two to ten to a segment, usually 

 round, but occasionally oblong. Amur-land, Ac. Greenhouse 

 species. SVN. Athyrium spinutusum and Cystopteris spinulosa. 



A. splendens (splendid), rhiz. creeping, scaly, sti. bin. to 9in. 

 fronds ilfltoid, 6in. to 1ft. long, two to three-pinnate; lower 

 pinna' stalked, deltoid, lin. to 2in. broad, pinnate or bipinnate ; 

 segiiunts cuiH'atc-flalK'llate, iin. to 4in. broad, slightly lobed, 

 sharply toothed rouiul <'iiter edge. «oW copious, slender, in-egular, 

 reaching from base nearly to tip of segments. Cape Colony. A 

 very rare greenhouse sjiecies. 



A, subsinuatum (half-waved). Synonymous with A. lanceum. 



A. sundense (Sundanese). Synonymous with A. vittaiforme. 



A. sylvaticum (woods), can. decumbent, sti. 1ft. long, fronds 

 1ft. to 2ft. long, 4in. to 8iii. broad, ovate-lanceolate, with numerous 

 spreading pinn.-e, the largest 3in. to 4in. long, iin. to iin. broad, 

 acuminated ; edge broadly and briefly lobed ; base narrowed 

 suddenly on both sides, sori in long slender lines, reaching 

 nearly to the edge. India, &c. Stove species. 



A. thelypteroldes (Thelypteris-like). «(i. 1ft. long, /ronds 1ft. to 

 2ft. long, 6in. to 12in. broad, lanceolate, with numerous spreading 

 piiinie, the lower ones 4in. to 6in. long, lin. broad, cut down to a 

 broadly-winged rachis into numerous nearly entire elliptical 

 spreading pinnules, sori in close regular rows, reaching nearly 

 from the midrib to the edge, slightly curved, the lower ones often 

 double. North America, *c., 1823. Hardy or cool house species. 

 SVN. Athjirinm thel;ii:t,'r„klcs. 



A. Thwaitcsii (Thwaites's).* rhiz. wide-creeping, stout, sti. 6in. 

 long, slender, densely clothed with strong white woolly hairs. 

 fronds 1ft. or more long, 4in. to 6in. broad, vrith eight to ten 

 distinct pinnae beneath the pinnatitid apex, the largest 3in. long, 

 gin. broad, cut down two-thirils of the way to the rachis in oblong 

 crenulated lobeSf ^in. deep, two lines across, sari reaching half- 



Aspleniiuii— coni inued . 



way to the edge, the lowest about one line long. Ceylon. Very 

 fine stove species. SVN. Dintii'ium Thwaileni. 



.■;.rc- 





Vm. 174. ASPLENIUH Trichomanes. 



A, Trichomanes (maiden-hair).* Maidenhair Spleenwort. sH. 

 dms.-ly tuitcd, lin. to 4in. long, fronds bin. to 12in. lonfj, about 

 Aiii. Iirou'i. with fifteen to thirty opposite pairs of ses-sile horizontal 

 pinnx', whicli are ^in. to |in. broad, one and a-half to two lines 

 deep, edge slightly crenate, the two sides unequal, the upper 

 one the broadest, and narrowed suddenly at the base, sori linear- 

 oblong, tliree to six on each side of the midrib. Great Britain, 

 and almost cosmopolitan. Hardy species. See Fig. 174. There 

 are several varieties in cultivation, of which the following are the 

 most important : 



Fir,. 175. AsPLENiuM Trichomanes cristatum. 



A. T. cristatiuu (rrested).*/ro7i(?.s 4in. to bin. long, simply pinnate, 

 with rouiitlish piiin;e, and broad crests at their extremities, some- 

 times dividi'd, each fork crested. A very pretty little variety, 

 requiring frame or greenhouse treatment. See Fig. 175. 



A.T. inclsum (deeply-cut).* /ro/Mfs Sin. to6in. long ; pinnae deeply 

 pinnatitid, the lobes again deeply cut or serrated. A very rare 

 and pretty form. 



A. T, multifidum (much -divided).* fronds Sin. to 6in. long, once, 

 twice, thrice, or, rarely, quadri-furcate, each division terminated 

 with a little crest. A free-growing kind. 



A. T. ramosum (branched).* frondji 5in. to Sin. long, freely 

 branched, each division being again forked; pinnte deeply cut or 

 crenated, or serrate. More hardy than any of the otlier forms. 



A. trilobum (three-lobed).* sti. tufted, 2in. to Sin. long, fronds 

 lin. to l^in. long, lin. broad, rhomboidal, apex acute, base 

 cuneate, entire, the mar^n undulato-crenate, or the lower part 

 deeply lobed, with broad inciso-crenate tlivisions. sori broad and 

 short. Chili and South Brazil. A very rare little stove species. 

 SVN. A. jiarvuluiii. 



A, umbrosum (shady), sti. 1ft. or more long, scaly at the base. 

 frotuU 2ft. to 5ft. long, 12in. to 18in. broad, ovate-deltoid ; pinnje 

 ovate-lanceolate, 6in. to 9in. long. Sin. to 6in. broad, with laceolate 

 pinnules, which are again cut down to the midribs into unequal- 

 silled rhomI>oidal Im^es, with the margins sharply crenated. 

 siiri cnpious, oblong, with large tumid membranous inv<tlucres. 

 Madeira, Canaries, Himalayas, Ac. Very widely distributed. 

 A very han<lsome greenhouse species. SVN.S. Allantodia auistrale, 

 Athiiriuni innbrosxL'm. 



A. varians (variable), sti. tufted, lin. to Sin. long, fronds 4in. 

 to 6in. long, lin. broad, oblong-lanceolate, with eight to twelve 



