An Encyclopedia of Horticulture. 



27 



Adiantrun — continned. 



two to four pinnules each ; pinnules 3in. to 4in. Ions, about lin. 

 hroatl, nearly equal sided, ovate lanceolate, nearly entire, sort 

 in continuous lines along both edges. Janiaiiux, Ac, occurring 

 over a wide area. Stove species. SVN. Hewardia adiantoides. 



A, hispidnlmn (hairyish).* sti. 6in. to 15in. long, strong, 

 erect, fronds dichotomous, with the main divisions flabellately 

 branched; centnU pinnjc 6in. to 9in. long, iin. to lin. broad ; pin- 

 nules iin. to ^in. long, two to four lines broad, dimidiate, sub- 

 rbomhoidal, the outer edge bluntly rounded, upper and outer 

 margin finely toothed, slightly stalked, sort roundish, numerous, 

 coiitig^ious. Ti'opics of Old World, 1822. iireenhouse. Syn. A. 

 pubtaccna. 



A. Intennedinm (intermediate), sti. 6in. to 12in. hnig, erect, 

 strong, jronds with a terminal pinna 6in. to 9in. long, 2in. to 3in. 

 broail, and one to three small spreading lateral ones on eacli side ; 

 pinnules lin. to lAin. long; iin. to iin. broad, unequal sided, but 

 not dimidiate, the point bluntish or acute, the inner edge nearly 

 parallel with the stem, the upper nearly straight, scarcely toothed. 

 sori in interrupted marginal patches, one to two lines across, i>laced 

 round the upper and ktwer edges. Stove. Tropical America, 

 from the Antilles southwards to Peru and llio Janeiro, 1824. 

 SVNS. A.foveanuH, A. triangulatum. 



A, Kunzeanum (Kunze's). Synonymous with A. cristatum. 



A, l^etum (joyful). Sjaionynious with A. Ilenslovianum. 



A, Lathonil (Lathom's).* A garden variety, said to be a sport from 

 A. Ghiesf/regkti, which it closely resembles, bt-ing ln.*tween it and 

 A. Farlei/ense. It is a magnificent plant, proiUuiiig fmnds from 

 18in. to 24in. long, with imbricated deeply-cut pinnules. Stove 

 variety. 



A, Legrandi (Legrand's). Very closely allied to, if not identical 

 with, A. Pecottei. Greenhouse variety, of garden origin. 



A. Xilndeni (I^inden's).* sti. black, naked, fronds erect, large, 

 pentagonal, tripinnate ; rachises pubescent above, naked beneath ; 

 segments sub-distant, l^in. long, oblong-rhomboidal, falcate, 

 acuminate, outer margins closely but bluntly lubed, of a deep 

 green colour, the lobes toothed, sori oblong or renifttrm. Ama- 

 zons, 1866. A magnificent stove species. 



A. lucidum (shiny).* sti. 6in. to 9in. long, strong, erect, fronds 9in. 

 to Ibin. long, 4iii. to Sin. broad, simply phiuate, with a large 

 terminal pinna and sis to ten lateral ones on each side, or the 

 lowest very slightly branched, 5in. to 4in. long, ^in. to lin. broad, 

 nearly equal sided, lanceolate acuminate, slightly serrated towards 

 the point, sori in a continuous row along each aide. West Indian 

 Islands and Tropical America. Stove species. 



FIG. 29. Adiantum Luddkmannianum. 



A* Lnddemannianum (Luddemann's).* A very striking variety 

 of the common Maidenhair, A. CapiUms- Veneris, of garden origin, 

 with smooth, diirk, almost black stipes, branching about a third 

 of the way up, while the piutmles are crested, usually clustered, 

 at the extremities of the brunches, of a deep green, sub-glaucous 

 character. It is a very elegant little greenhouse variety. See 

 Fig. 29. 



A. lannlatnin (crescent-leaved).* sti. 4in. to 6in. long, tufted, 

 wiiy. fronds 6in. to 12in. long, lin. to 2in. broad, simply pinnate ; 

 pinnae Sin. to lin. broad, ^in. to lin. deep, sub-dimidiate, the lower 

 edge nearly in a line with the petiole, the upper edge rounded 



Adiantrun — continued, 



and, like the sides, usually more or less lobed. sori in con- 

 tinuous lines alniig the edge. Hongkong, Ac, widely distributed 

 iu both hemispheres. Stove species. SYN. A dolabriformc. 



A, macrocladum (long-branched). Synonymous with A. poly- 

 pliylluni. 



A. macrophyllum (long leuvod).* sti. 6iii. to 12in. long, strong, 

 ereit, ii.':niy l)l;ick. fronds 9in. to 15in. long, 4in. to Sin. broad, 

 simply piiHKite ; the lower piniiie of tlie barren frond Sin. to 4in. 

 long, 2in. broad, ovate, so bro:ul at tlic base that the opjio^^ite 

 ones frequently overlap, the mtu-gin riither deeply lubed; fertile 

 ones narrower, sori in long continuous, or slightly interrui)tLMl, 

 marginal lines. Tropical America, 1793. One of the finest stove 

 species in cultivation. 



A, xnacropterum (long-^\'inged). Synonymous with A. Wilsoni. 



A. xnexicanum (Mexican). Synonymous with A. fjlaucophyllum. 



A. microphyllum (short-leaved). A synonymn of A. veniistxiin. 



A. monochlamys (one-covered).* sti. 6in. to 9in. long, wiry, 

 erect, dark, chestnut brown ; fr07ids 6in. to 12in. long, 4in. to 

 6in. broad, ovate-deltoid, tripinnate, the pinnie rather distantly 

 placed ; segments iin. broad, cuneate at the base, the upper edge 

 rounded, slightly toothed, of a light gi-een colour, with a firm 

 texture, sort single, or very rarely two, in a hollow of the upper 

 edge. Japan. A very distinct and pretty greenhouse species. 



A. monosorum (uni-soriate). A pretty species, from Solomon 

 Islands, not yet in cultivation. 



A. Moorel (Moore's).* sti. 6in. to 8in. long, fronds deltoid, 6in. to 

 15in.Iong, two to three piimate ; side segments about ^in. long, 

 rhomboid, lower edge defiexetl from tip of pedicel, outer lobed 

 half way down, sori round, placed in tip of lobes. Andes of 

 Peru. Stove or greenhouse species. Syn. A. amabile, under 

 which name it is fre(iuently gTown. 



A Moritzianum (Moritz's). This appears to he a stronger, more 

 robust grower (fronds from 12in. to 18in. high), with thicker stipes 

 and larger pinnules than the typical A. CapiUus- Veneris. South 

 America. CJreenhouse species. 



A neoguineense (New Guinea).* sti. 6in. to Sin. long, chestnut 

 brown, erect, fronds spreading, deltoid, tri-quartripinnate, dark 

 olive green with a glaucous tinge on both surfaces ; pinme 

 ovate; terminal pinnules cuneate, lateral ones trapezoid, about 

 iin. long, crenately lobed, the lobes rather large, entire, sori 

 small, 6in. to 8in., orbicular, entirely sunk in closed sinuses of 

 the marginal lobes. New Guinea, 1877. A very charming stove 

 species. 



A. obliquum (oblique), sti. Sin. to 6in. long, erect, wiry, pube- 

 scent, fronds 6in. to I2in. long, 2in. to 4in. broad, with a terminal 

 lobe and three to twelve pairs of alternate pinme, the lowest lin. 

 to 2in. Ion" iin. to ^in. broad, costate nearly to the apex, the 

 upper half the largest, rounded at the biise, the lower half obliquely 

 trunciite at the base, those f>f tlie barren frond slightly toothed. 

 son in numerous intenupted marginal patches, one to two lines 

 broad. West Indies, &c., 1826. Stove species. 



A paltnatum (palmate).* fronds with elongated zigzag rachises, 

 elongate-oblong, narrowed to the apex, tripinnate, often reaching 

 Sift. long, lOin. broad ; pinnules distinct ; ultimate segments large, 

 smooth, distant, distinctly stipitatc, varying from obovate wedge- 

 shaped to semi-orbicular in outline, but :ill deeply, palmately cut, 

 lin. to IJin. broad, sort oblong, variable in length, situate at the 

 tips of the segments, usually one to each. This is a very beautiful 

 and graceful stove or greenhouse species, Peru, 1877. 



A. patens (spreading), sti. bin. to 9in. long, erect, fronds di- 

 chotomously tUvided and the branches once or twice divided 

 again; central pinnse 6in. to 9in. long, liin. broad; pinnules 

 iin. tolin. long, Jm. deep, dimidiate, the two sides nearly parallel, 

 the upper and outer ones broadly anil bluntly lobed. soH placed 

 round the upper and outer edge, obversely reuiform. Brazil, &c., 

 1824. Stove species. 



A. Pecottei (Pecot's).* This is a charming little variety, of 

 garden origin, with short decompound fronds, imbricated segments, 

 comparatively large, of a <leep gi'een colour, and likely to prove 

 one of the most useful maidenhair ferns grown. 



A. pedatum (pedate).* sti. 9in. to 24in. long, erect, polished. 

 fronds dichotomous, with the main divisions fiabellately branched ; 

 central pinnje 6in. to 12in. long, lin. to liin. broad ; pinnules 

 iin. to Sin. long, iin. deep, dimidiate, broadest on the side 

 nearest the stem, the upper and outer margin lobed, shortly 

 stalked, sori roundish, one to two lines broad. North Hindo- 

 stan, the United States, &c. Hardy species. See Fig. 30. 



A. peruvlanum (Peruvian).* sti. 9in. to 18in. long, strong, erect. 

 fronds simply pinnate, or ^\ith one to three branches at the base, 

 some of tne latter sometimes again slightly divided; pinnules 

 2in. or more broad, liin. deep, unequally ovate, cuueate at base, 

 finely toothed and lobed round the iqiper and outer edge, sort in 

 interrupted patches round the sides of the pinnules. Peru. This 

 is one of the finest of the large growing, evergreen stove kinds. 



A polyphyllum (many-leaved).* sti. 12in. to 18in. long, strong, 

 erect, jronds 2ft. to 3ft. long, 12in. to 18in. broad, the upper 

 part simply pinnate ; lower pinna; sometimes 1ft. long. 6in. broad, 

 with a long terminal and numerous lateral pinnules ; segments 

 ^in. to lin. long, iin. deep, dimidiate, with nearly parallel edges, 

 the point obtuse, tlio upper edge sharply toothed, sori in 

 numerous sub-orbicular patches, phued in hollows in lobes along 



