28 



The Dictionary of Gardening, 



AdiantTUU — continued. 



the upper odi;e. Columbia. A magnificent stove species. Syns. 

 A. coi-'liiirliltrna and A. macrodadwii. 



A. populifoliiun (poplar-leaved). A sjTJonym of A. Sccmanni. 



A, princeps (princely).* eti. 9in. to 12in. lonj?, stout, nearly erect. 

 jrt'iuls large, 12in. to 24in. long, 9in. to 18in. across the base, 

 deltoid, pendent, quadripinnate, pale greyish; lower pinnae ob- 

 liquely elongate, triangular, the posterior side tripinnate, the 

 anterior bipinnate ; upper ones pinnate, with a large cuneately 

 tlabellate terminal pinnule, apex of fronds pinnate ; pinnules lin. 

 long, 5in. broad, roundish rhomboidal or shortly trapeziforra, 

 shortly stalked ; basal margin entire, slightly concave, the anterior 

 margins and apex lobate, the lobes serrulate in the sterile parts, 

 and, where fertile, bearing each a concave sorus, so that the lobes 

 appear two-horned. New Grenada, 1875. A magnificent stove 

 species. 



A, prionophyUmn (saw-leaved). Synonymous with A. tetra- 

 phyliuui. 



A- pubescens (duwny). Synonymous with A, hispidulum. 



A, pulverulentum (covered \vith powder).* sti. 6in. to 12in. long, 

 .strong, erect ; froiids with a termiml pinna and several spreading 

 lateral ones on each side, which are 4in. to 8in. long, lin. broad ; 

 pinnules iin. long, one and a half to two lines deep, dimidiate, 

 the lower line nearly straight, the upper one nearly parallel, 

 both it and the outer edge tinely toothed, sori in a continuous 

 line along the lower and upper edges. West Indies, &c. Stove 

 species. 



■>(4 



Fig. 30. Adiantum pedatum. 



A. Reichenbachll (Reich enbach's). 



lovianuiii. 



Synonymous with A. TTcns- 



A. reniformo (kidney-shaped).* sti. tufted, 4in. to 9in. long, fronds 

 .'simple, orbicular, reniform, of a deep green colour, l^in. to 2iin. 



across, with usually a broad, open sinus, 

 edge, one and a half to threa lines broad. 

 Greenhouse species. 



A. r. asarlfolinm (asarum-Ieaved). 

 variety of above species. 



A. rhomboideum frboraboid). S. America, 

 identical with A. vUlosuin. 



sori all around the 

 Madeira, &c., 1699. 



A rather larger growing 



1820. Probably 



A. rubellum (reddish).* sti. 4in. to 6in. long, /rojids 4in. to 6in. 

 long, deltoid, bipinnate; uppermost side of the" pinnules cuneate, 

 flabellate, nearly sessile, entire ; lower rhomboid ^in. long, with 

 lower border in a line with petiole, or rather decurved, inner pro- 

 duced over rachis, outer deeply lobed and finely toothed ; end and 

 lowest pinnules deltoid, ^in. broad, sori round, placed in the tips 

 of the lobes. This pretty species is purplish crimson when in a 

 young state, changing to light gi-een with age, but e^en then 

 tinned %vith pink. Allied to A. lim-tmn and .1. i/rminui. liulivia 

 1868. Greenhouse species. ' 



Adiantum — continued. 

 A, scutum (sliield). Synonymous with A. Ghieshrcghii. 

 A, Seemanni(Sceiiiann's).* sti. 6in. to 12in. long, erect, fronds 9in. 

 tn20iu. I'ing. simply pinnate or the lower piiiiia^ compound ; pinna; 

 3in. to 4in. long, l^in. to 2in. broad, ovate, acuminate; but rather 

 imequally sided, the barren ones finely serrated, one side usually 

 cordate at the ba.se, the other obliquely truncate, petioles of the 

 lowest, nearly an inch long, sori in long continuous marginal 

 lines. This is a very fine and distinct stove species. Central 

 America, 1868. SvNS. A. populi/olium, A. Zalmii (of gartlens). 

 A. sessilifolium (sessile -leaved). Synonymous with A. Henslo- 



vianmn. 

 A, setulosum (bristly). Synonymous with A. diaphaintm. 

 A. speciosum (showy). Synonymous with A. di/jitatiim. 

 A, subvolubile (somewliat twining), fronds subscandent, 2ft. to 

 4ft. long, oblong, tripinnate, 6in. to 8in. broad, with naked glossy 

 castaneuus stipes and zigzag rachises ; central pinme lanceolate, 

 with a few short spreading pinnules ; side pinnules rhomboidal, 

 about iin. long, lower edge in a line with petiole, or deflexed, 

 inner end touching or wrapped over rachis, outer shallowly lobed ; 

 lowest pinnules equilateral, much wrapped over rachis. sori 

 nmiute, round, six to twelve tu a segment. E. Peru. Stove species. 

 A* tenerum (tender).* sti. 1ft. or more high, erect, fronds 1ft. to 

 3t't. long, 9in. to 18in. broad, deltoid, tri- or quadripinnate ; seg- 

 ments iin. to gin. broad, cuneate or tending towards rhomboi<lal, 

 dimidiate in shape, the upper edge rounder or somewhat angular, 

 broadly and deeply lobed, all stalked, sori placed in numerous 

 roundish patches in the lobes of the upper half. 

 Mexico, &c., widely distributed. Stove species. 

 A. t. Farleyense (Farley's).* A subfertile, subcristate 

 variety of the foregoing ; but, is, nevertheless, one of 

 the most magniticent of Adiantums. It is nearly always 

 known under the name of A. Farleyense. Barbados, 

 1865. Stove variety, 

 A. tetraphyllum (four-leaved).* sti. 6in. to 12in. long, 

 strong, erect, fronds nearly as broad as long, with a 

 terminal pinna 6in. to 9in. long, lin. to l^in. broad, 

 and numerous spreading lateral ones; segments iin. 

 to |in. broad, Jin. deep, subdimidiate, the lower line 

 straight or somewhat decurved, the upper nearly 

 parallel, finely toothed, the outer oblique, sori inter- 

 rupted, marginal. Tropical America. Stove species. 

 Syn. a. prionophylhun. 



A. t, Hendersoni (Henderson's). A stove variety with 



small lilunt piimules. 



A.tinctum (tinted).* sti. 6in. to 9in. long, fronds 6in. to 

 12in. long, deltoid, bipinnate; side pinnules rhomboid, 

 three to four lines long, lower edge straight, inner 

 parallel with rachis, or just wrapped over it, outer 

 shallowly, bluntly lobed; lower pinnules equilateral, 

 imbricated over main rachis ; surfaces glabrous, when 

 young of a deliciite rose red colour, changing to a 

 bright gi-een. sori round, placed in final lobes. Tro- 

 pical America. Stove or greenhouse species. 



A. trapeziforme (rhomb-leaved).* sti. 6in. to 12in. 

 long, firm, erect, fronds 12in. to 24in. long, with a 

 central pinna 4in. to 8in. long, 2in. to 3in. broad, and 

 two to four large spreading ones on each side, the 

 lowest of which are often branched again ; segments 

 liin. to 2in. long, iin. to gin. broad, dimidiate, the 

 sides nearly parallel, the outer ed^e oblique, both 

 it and the upper one bluntly lobed, the lowest on 

 stalks Jin. to iin. long, sort numerous, contiguous, 

 placed round the upper and outer edge. West Indies, 

 1793. Stove species. 



A. t. cultratum (sliarpened).* Outer edge of the seg- 

 ment bluntly rounded. 



A. t. pentadactylon (five-fingered). Lower margin 

 of the segments somewhat decurved obliquely from 

 the petiole. 

 A..t, Sanctse Catherlnsa (of gardens).* This is a deeply cut, 

 rather copiously divided variety of A. trapeziforme. 



A. t. S. C. FunclEi(Funck's).* A deeply lobed, drooping variety, of 

 garden origin. 



A. triangulatum (triangle-leaved). Synonymous with A. inter* 

 inediuin. 



A, varium (various). Probaldy identical with A. villosum, 



A. Veitchianum (Veitch's).* sti. 6in. to 9in. long, fronds 9in. to 

 18in. long, deltoid, bipinnate in lower half, reddish when young ; 

 side pinnules rhomboid, about ^m. long, lower border straight, 

 more or less deflexed from tip of pedicel, inner distant from racnis, 

 upper and outer shallowly lobed ; end segments iin. to Jin. broad, 

 equilateral, rounded in upper, deltoid in lower half, sori eight to 

 ten to a segment, round, minute. Peruvian Andes, 1868. A very 

 elegant and distinct stove species. 



A, velutinum (velvety).* sti. as long as fronds, slightly velvety, 

 fronds deltoid, l^ft. to 2ft. long, three to four pinnate ; rachises 

 densely pubescent on both sides ; pinna? 6in. to9in. long ; segments 

 twenty to thirty-jugate, sub-sessile, sub-rhoinboidal, lin. long, iin. 

 broad, lower border decurved, outer blunt or sub-acute, upper 

 straight, shallowly, bluntly lobed. sor/ straight, one to one and a 



