THE DICTIONARY OF GARDENING, 



Adiantum continued. 



the upper edge. Columbia. A magnificent stove species. SYNS. 

 A. cardiochlcena and A. macrodadum. 



A populifolium (poplar-leaved). A synonym of A. Seemanni. 



A. princeps (Princely).* gti. 9in. to 12in. long, stout, nearly erect. 

 frondt large, I2in. to 24in. long, 9in. to 18in. across the base, 

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

 liquely elongate, triangular, the posterior side tripinnate, the 

 anterior bipinnate ; upper ones pinnate, with a large cuneately 

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

 long, fin. broad, roundish rhomboidal or shortly trapeziform, 

 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. prionophyllom (saw-leaved). Synonymous with A. tetra- 

 phyllum. 



A. pubescens (downy). Synonymous with A. hizpidulum. 



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

 strong, erect ; fronds with a terminal pinna and several spreading 

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

 pinnules Ain. 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 finely toothed, son in a continuous 

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

 species. 



FIG. 30. ADIANTUM PEDATUM. 



' 8 )- Synonymous with A. Ben*. 



Adiantum continued. 



A scutum (shield). Synonymous with A. Qhiesbreghti. 



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

 to 20in. long, simply pinnate or the lower pinnse compound ; pinnae 

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



unequally si 



i barren ones finely serrated, one side usually 



A rather 



growing 



A. rn 



line wit 



cordate at the base, the other obliquely truncate, petioles of the 

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

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

 America, 1868. SYNS. A. populifolium, A. Zahnii (of gardens). 

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



vianum. 



A setulosum (bristly). Synonymous with A. diaphanum. 

 A speciosum (showy). Synonymous with A. digitatum. 

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

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

 castaneous stipes and zigzag rachises ; central pinnae 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 

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

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

 3ft. long, 9in. to 18in. broad, deltoid, tri- or quadripinnate ; seg- 

 ments iin. to Jin. broad, cuneate or tending towards rhomboidal, 

 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 magnificent of Adiantums. It is nearly always 

 known under the name of A. Farleyense. Barbados, 

 1865. Stove variety. 



A tetraphyllum (four-leaved).* gti. 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 Jin. 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. prionophyllum. 

 A t. Henderson! (Henderson's). A stove variety with 



small blunt pinnules. 



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

 12m. 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 delicate rose red colour, changing to a 

 bright green, 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 Sin. long, 2in. to Sin. 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 Jin. broad, dimidiate, the 

 sides nearly parallel, the outer edge oblique, both 

 it and the upper one bluntly lobed, the fewest on 

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

 placed round the upper and outer edge. West Indies 

 1793. Stove species. 



A t. cultratum (sharpened).* Outer edge of the see- 

 ment bluntly rounded. 



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

 the pltioff mentS somewhat de cud obliquely from 



** * Sanctw Catherine (of gardens).* This is a deeply cut 

 ither copiously divided variety of A. trapeziforme. 



drooping variety, of 

 Synonymous with A. inter- 

 A varium (various). Probably identical with A. villosum. 



ISin. long, deltoid, bipinnate in lower half n reddfs'h 'whenVomig^ 

 ^*X& JMK-N. a .but. iin, long, lower border straight,' 

 ., inner distant from rachis, 



d wpntl y Ul fh ?C ! en ' > on both'sides%*nn e ffi ^tottHongl Umente 

 bToadf lower r bordIr at dec S ur J v SeSSile> sllb - rhomboidal - "* long, iin 



