242 



The Dictionary of Gardening, 



Fteris — continued. 



lata. See Fig. 308. /'. braftiliensif! is a form with broader, 

 more compound ])inn;e. 



P. elata (tall). t<ti. 2ft. to Sft. lon^, erect, naked, straw-coloured. 

 fnmt/s ample, tripartite ; terminal pinna 1ft. to lift, long, cut 

 nearly or quite to the rachis into numerous linear lobes on both 

 sides, which are 3in. to 5in. lon^r, the barren ones spinulose- 

 serrate ; upper lateral pinna? 6in. long, not cut to the rachis ; 

 lower ones equalling the terminal one ; lateral divisions of the 

 frond deltoid, sori falling short of the points of the segments. 

 Tropical America. Syn. Lltohrochla elata. 



P. elegans (elcu;int).* stl. Ift. ..r more Ioul'. froncU 6in. to 12in. 

 long. dt'Ituid-ciird;Lte. ]ifd;ite liipiiuiatitid ; divisions close, reaching 

 nearly in tlit' niiiiril) ; terminal ;uid upptn- hiteral ones lanceidate, 

 entire, lin. to lAin. broad ; lower ones with one to four lanceolate 

 pinnules on the lower side, usually none from the upper, nori 

 continuohs from base to tip of the divisions. South Brazil. A 

 common species in cultivation. SvN. Doryopteris nohilis. 



P. ensiformis (sword-shaped), stl. 3in. to 6in. long, slender, 

 erect, straw-coloured, fronds 6in. to 12in. long, half as broad, 

 with a long terminal pinna and two to four pairs of lateral ones ; 

 those of the fertile frond slightly compound, the central portion 

 2in. to 4in. long, 4in. or less broad, entire ; upper pinna? of the 

 barren frond decurrent, the lower ones sub-deltoid, cut down to 

 the rachi.s below into two to six obovate-oblong, sharply-toothed 

 pinnules, which are often nearly ''.in. broad. India, &c. 



F. 127.\). 



A synonym of P. aqulUna eaculenta. 

 A synonym of Pellaia intramafffinalib- 



Sv.N. /'. crenata (H 

 P. esculenta (edible). 

 p. fallax (deceptive). 



scrrati folia. 



P. felosma (heavy-smelling). A form of P. quadriaurita. 



P. flabellata (fan-shaped).* sti. 1ft. or more long, strong, 

 erect, straw-colouretL trond-i 1ft. to Sft. long, 1ft. or more broad ; 

 terminal pinna 6in. to 12in. long, 2in. to 3in. broad, numerously 

 lobed nearly to the rachis, the lobes linear, lin. to 2in. long, 

 baiTen ones finely serrated : lateral pinnce similar to the terminal 

 one, the lowest with one to three similar, smaller pinnules from 

 the base on the lower side, sori narrow, continuing along nearly 

 the whole length of the segments. Soutli Africa. This species 

 is closely allied to P. arguia. 



P. Gheisbreghtii(Gheisln'eght's). A variety of P. laciniata. 



P, glauca (glaucous). A synonym of Pelima (jlauca. 



P. gracilis (slender). A synonym of Pelltva gracilis. 



Fig. 509. Pinna of Pteris grandifolia. 



Fteris — continued. 



P. grandifolia (large-fronded). sti. 6in. to 12in. long, erect, 

 straw-coloured, clothed below with rusty-Wf)olly scales, .frondx 

 1ft. to 2ft. long, simply pinnate ; pinna- linear, erecto-patent, 

 entire, sessile or the lower ones stalked, the lower ones 6in. 

 t<i 12in. long, hardly lin. broad. &ori often continuous along the 

 whole length of the pinnae. Tropical America. See hig. 309. 

 (H. S. F. 113b.) Svn. Litobrochia grandifolia. The variety nittata 

 has nearly free veins. 



P. hastata (spear-shaped), of Thunberg. A synonym of Pella-a 

 cali'iiwlanos. 



P. heterophylla (v;irial)le-fronded).* sti. wiry, slender, erect, 

 straw iul(iiiiL-d. jnui-ls (jin. to 12in. long, Sin. to 6in. broad, ovate- 

 deltoid, tripiiinate ; iiinn.i' all, except two or three of the highest, 

 compound, the lowest deltoid, with the pinnules again pinnatitid ; 

 ultimate segments of the barren frond ovate, sharply and lieeply 

 toothed, cuneate and entire at base, about ^^in. long, |in. broad, 

 those of the fertile frond alunit gin. long, ^in.'l)road, the tip sterile 

 and toothed. Involucres l)road, pale, membranous. West Indies 

 and liiazil, 1820. (B. M. 4925.) 



P. Hookerlana (Hooker's), tiii. bin. to 12in. long, erect, pale. 

 fnuulfi Bin. to 12in. long, 6in. to 9in. broa<l. with a long, linear, 

 entire, terminal pinna ; lateral pinn.'e two to six pairs, sessile, 

 opposite, entire, the largest about 6in. long and |in. broad, tlie 

 lowest forked at the base, sori sliglitly intramarginal ; involucres 

 narrow, brownish. Ceylon. 



Fig. 310. Central Pinna of Pteris leptophylla. 



P. incisa(cut). Bat's-wing Fern. sti. stout, erect, straw-coloured 

 or bright brown, froiuls several feet long, bi- or tri-pinnate; 

 uppermost pinna? simply pinnate, with entire, linear-oblong pin- 

 nules; the next with numerous pinnatifid pinnules, 2in. to 3in. 

 long, about |in. broad, in opposite pairs, the lowest often quite 

 close to the stem, reduced in size, and their seginents dilated; 

 lowest pinnje often very large and compound, sori interrupted or 

 continuous, often reaching the points of the segments. Tropics, 

 &c., 1823. Greenhouse. SVNS. P. Vesj^ertilioni.'i, Litobrochia, Ves- 

 pertilionis. In the form autita^ the lowest pair of pinnules are 

 quite simple, and closely adpressed to the stem at the base of 

 the pinna\ 



P. Kingiana (King's). A variety of P. tremula. 



P. Kunzeana (Kunze's). sti. 3ft. long, strong, erect, straw- 

 coloured or reddish-brown, fronds ample ; terminal pinna 1ft. 

 long, 3in. broad, cut down two-thirds of the way to the rachis into 

 numerous linear, falcate, sharp-pointed lobes, which are slightly 

 spinulose-serrate when barren ; lateral piinue in numerous, nearly 



