An Encyclopedia of Horticulture. 



133 



Asplenium — continued. 



late, with twelve to twenty stalked horizontal pinnre on each side, 

 which are 2in. to Sin. long, ^in. to ^in. hroad, acute ; edges slightly 

 undulato-crenaie, the upper sitle .with a distinct auricle at the 

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

 cate, sori disUint, in two regular rows, falling short of the edge. 

 West Indies, A-c, 1858. Stove species. 



A. obtusilobum (obtuse-lobed).* sti. tufted, 2in to 4in. long. 

 j'linuU 4iii. to bin. long, l^in. to 2in. broad, with 

 nine to twelve suli-deltoid pinn;e on each side, of 

 which only the inner third on the lower side is 

 cut away, the largest uejvrly lin. long, ^ in. broad; 

 lowest pinnules gin. deep, tiabellately cut into 

 three to live linear blunt lobes, sorl sub-mar- 

 ginal. New Hel>rides, 1861. A very pretty little 

 stove species. Sv.n. Darea obtusiioba. 



A. odontites (much-toothed). Synonymous with 

 A. jlaccidum. 



A. oxyphyllum (sharp -leaved).* sti. firm, 6in. 

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

 12in. broad, lanceolate, with several pinnae on 

 each side, which are Sin. to 6in. long, lin. to 2in. 

 broad ; pinnules lanceolate, in the larger forms 

 again pinnatitid ; teeth mucronate, soH in two 

 rows on the pinnje or pinnules midway between 

 the midrib and edge. Himalayas. A very va- 

 riable greenhouse species. SViNS. Atkyriivm, oxy* 

 pln/lla and Lastrea ebumea. 



A. paleacemn (scaly).* stL densely tufted, lin. 



to Sin. long, spreading, densely scaly, /rotids 6in. 

 to 9in. long, l^in. to 2in. broad, sometimes pro- 

 liferous and rooting at the apex, Nvith twelve to 

 twenty sub-sessile pinnae on e:ich side, which are 

 lin. long, about ^in. 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, sori 

 linear, extending nearly to the edge. 'lYopical 

 Australia. Stove or warm gieenhouse species, 

 A. palmatnm (palmate). Synonymous with A^ 



H>mi0Hifis. 



A. parvnlum (small). Synonymous with A. tri. 



A. persicifollum (Peach-leaved), sfi. and radns 

 grey, with a few scattered minute grey scales. 

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

 gemmiferous at the apex; pinnre ascending, fifteen to thirty- 

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

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

 regular, reaching nearly to nudrib and edge. Philippine and 

 Sandwidi Isles. Stove species. 



A. PetrarcllEe (Petrarch's).* sti. densely tufted, lin. to 2in. 

 long. J'roiuts 2in. to Sin. long, iin. broad, linear-lanceolate, with 

 six to ten horizontal sessile pinnre on each side, which are Jin. long 

 and nearly ns much broad, cordate-ovate, Idunt ; edge sinuated ; 

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

 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. pinnatifidnm (pinnatifid). sti. tiifted, 2in. to 4in. long. 

 fronds Sin. to 6in. long, lin. or more broad at the base, lanceolate- 

 deltoid, with a long, gradually narrowing jioint, which is sinuated 

 only ; the lobes below this Jin. to iin. deep ; the lowest ovate- 

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

 nearly to the rachis. sort copious. Pennsylvania. Greenhouse 

 or sheltered places outside. 



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



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

 stalked hoiizoutal pinnre on each side, which are lin. to lAin. long, 

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

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

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



A. plautagineum (Plantain-like), sti. tufted, 6in. to Gin. long. 

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

 base rounded ; edge slightly undulato-dentate upwards, sometimes 

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

 touching both edge and nudrib. West Indies, &c., 1819. Stove 

 species. SVN. Diplaziuvi plantagi/ieum. 



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

 natinn. 



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



A. prolongatum (prolonged). Synonymous with A. rutce- 



fohinn. 



A. pulchellmn (pretty).* sti. tufted, lin. to 2in. long, fronds 

 Sin. to 6in. long, lin. to l^in. broad, with twelve to eighteen pinnre 

 on each side, wliiih are ^in. to ^in. long, two Hues to three lines 

 broad, bluntish, ahimst dimidiate; the upper ^'di^u rn-natc, and 

 narrowed suddenly at the base, sort linear, obliijue, falling short 

 of the edge. Tropical Auieric;i. Stove species. 



A. pumilum (small). Af(i. tufted, Sin. to 4in. long, fronds '^m. 

 to 6in. each way, deltoid, the upper i)art sinuated only, the lower 



Aspleninm — continued . 



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

 pair are much the largest; tlie pinnules on the lower side sometimes 

 2in. long, reaching down to a slii>htly winged rachis, acuminate 

 and deeply lobed. suri very oblique, the lower ones sometimes 

 lin. long. West Indies, Ac, 1825. A very j-are and pretty stove 

 species. 

 A. rachirhizon (rachis-rooting). A variety of A. rhizopkorum. 



Fig. 17S. Asplenium uadicans. 



A. radicans (rooting), cau. erect, sub -arborescent, sti. 1ft. to 

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

 deltoid; lower pinnai 12in. to 18in. long, 6in. to 8in. broad; 

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

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

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

 Jin. long. Troincal America. A very variable species. Svns. 

 A. i/itrantcurn, Diplazinm radicans, D. innbrosiim, &c. See Fig. 173. 



A. reftractum (refracted). A variety of ^./07i(ffnH7». 



A. resectum (cut or pared).* sti. scattered, 4in. to Sin. long. 

 fronds 6in. to 15in. long, 2in. to 4in. bi'oad, lanceolate-oblong, 

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

 are lin. to Sin. long. ^in. to iin. broad, almost dimidiate, the point 

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

 the base narrowed nearly at a right angle, sori not reaching 

 either the midrib or edge. India, &c., widely distributed, 1820. 

 Greenhouse species. 



A. rhizophoruxn (root-bearing).* sti. tufted, 4in. to Sin. long. 

 frtinds 1ft. to 2ft. long, 4in. to 6in. broad, elongated, and rooting 

 at the apex ; pinnre twelve to thirty on each side, sub-ses.sile, l^in, 

 to 2in. long, about ^in. broad, incisn-dentate throughout ; the two 

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

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

 midrib. Tropical America. A very variable stove species. 

 A. r. rachirhizoii, has distinctly separated oblong-rhomboidal 

 pinnules, again deeply cut into narrow segments. 



A. rhizophyllmn (leaf-rooting), sti. tufted, 2in. to 6in. long. 

 fronds tin. to 12in. long, l^in. to 2in. broad, cut down into 

 numerous close-placed horizontal pinnre on each side ; central 

 ones lin. long, ^in. to ^in. broad, cut down throughout nearly to 

 the centre into simple or forked erecto-patent pinnules, the 

 lowest on the under side sui)pressed. Aa?-i solitary, sub-marginal. 

 A. r. iniiri'ii'lnilluin is a variety witli broader fronds ; central phmre 

 lAin. long, witli lower pinnules cut down into several simple or 

 forked linear segments. North America, &c., 1680. Both hand- 

 some gTeeulunise kinds. 



A. mtsefolium (Rne-leaved).* sti. tufted, 4in. to 9in. long. 

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

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

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

 ])atent distant pinnules on each side, the lowest on the upper 

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

 small, marginal. Cape Colony. A beautiful greenhouse species. 

 Svns. A. prolm\fjatuvi and Darea rutiffoliu. 



A, Ruta-xnuraria (Wall-rue)* sti. tufted, 2in. to 4in. long. 

 fronds lin. to 2in. long, about lin. broad, deltoid, cut down to the 

 rachis inti a few pinnre on each side, the lower ones again cut 



