56 



THE DICTIONARY OF GARDENING, 



Alsophila continued. 



A. excelsa (tall).* trunk about 30ft. high. tti. and main rachises 

 muricated. fronds ample, dark green above, paler beneath ; 

 primary pinnae lift, to 2ft. long, 6in. to lOin. ^yide ; pinnules 

 numerous, oblong-lanceolate, acuminated, deeply pinnatind, often 

 quite pinnate ; ultimate divisions }in. to Jin. long, oblong, acute 

 or obtuse, falcate, the margins sub-recurved, serrated, mn-i 

 copious near the costules. Norfolk Island. This rapid- 

 growing and splendid species proves' nearly hardy in the 

 neighbourhood of Cornwall ; and is a most effective plant for 

 sub-tropical gardening purposes generally. Greenhouse species. 



A. feroz (fierce). Synonymous with A. aculeata. 



A. Gardner! (Gardner's). Synonymous with 

 A. paleolata. 



A. glgantea (gigantic), cau. growing from 20ft. 

 to 40ft. high. tti. asperous ; fronds, primary 

 pinnae IJft. to 2ft. and more long, deeply 

 pinnatifid at the apex ; pinnules, upper ones 

 sessile, lower ones petiolate, oblong-acumi- 

 nate, Sin. to 6in. long, five to nine lines wide, 

 deeply pinnatifld ; lobes triangular or rounded, 

 serrated, nori copious. India, <fec. Stove 

 species. SV.N. A. gldbra. 



A. glabra (glabrous). Synonymous with A. 

 gigantea. 



A. glanca (grey). Synonymous with A. con- 

 taminans. 



Alsoph.Ua continued. 



the midrib and edge. Queensland. Greenhouse species. See 



Fig. 65, for which we are indebted to Mr. Bull. 

 A. sagittifolia (arrow-leaved).* fronds oblong-deltoid, 4ft. to 



6ft. long, bipinnate. rachises stramineous, muricated; pinnae 



lanceolate, |ft. to 1ft. long, the lower shorter, deflexed ; pinnules 



sessile, ligulate, crenulate, cordate on both sides at the base, lin. 



to liin. long, nearly Jin. broad, sori large. Trinidad, 1872. Very 



handsome and distinct stove species. 

 A. Scottiana (Scott's).* fronds ample, tripinnatifld. rachises 



castaneous, naked and smooth beneath ; pinnae oblong-lanceolate, 



(troublesome). 



tripinnatifid ; pinnae oblong-lanceolate, 1ft. to 

 IJft. long ; pinnules ligulate, Sin. long, iin 

 to 1m. broad, cut down to a narrow wing 



fronds ample, 

 ite, 1ft. to 

 long, Jin. 



segments iin. broad, ligulate, blunt, nearly 

 entire; texture sub-coriaceous; colour deep 

 green on both sides. Tropical America; 

 widely distributed. Stove species. 



A. Lelchardtlana (Leichardt's).* cau. 10ft. 

 to 20ft. high. tti. jointed upon the caudex ; 

 main and secondary* rachises purple, decid- 

 uously powdery, spiny, frondt 6ft. to 10ft. 

 long, firm, dark green above, sub-glaucous 

 beneath, naked and glaucous (or nearly so), 

 tripinnate ; primary pinnae IJft. to 2ft. long, 

 Sin. wide, oblong-lanceolate, acuminate ; pin- 

 nules oblong-acuminate, sessile, pinnatifid 

 only at the apex ; ultimate divisions linear- 

 oblong, acute, spinulose-serrate. sori copious, 

 close to the costa. Australia. 1867. Green- 

 house species. SYNS. A. Macarthurii, A. 

 ifoorei. 



A. lunulata (moon-shaped pinnuled). frond* 

 ample, tripinnate. rachises stramineous, 

 glabrous below, densely muricated ; pinnae 

 oblong-lanceolate, IJft. to 2ft. long ; pinnules close, ligulate, ses- 

 sile, 4in. to 5in. long, Jin. to lin. broad ; segments close, ligulate, 

 falcate, blunt, one line broad, obscurely crenulate. sori minute. 

 h. 25ft. Polynesia. Greenhouse species. 



A. Macarthurii (MacArthur's). Synonymous with A. Leichard- 

 tiana. 



A. Moorel (Moore's). Synonymous with A. Leichardtiana. 



A. paleolata (scaly).* cau. slender, 10ft. to 20ft. high, fronds 

 ample, tripinnatifld. rachises stramineous, smooth, pubescent 

 below ; pinnae oblong-lanceolate, IJft. to 2ft. long ; pinnules ligu- 

 late, sessile or shortly stalked, Sin. to 4in. long, Jin. to Jin. broad, 

 deeply cut, the segments blunt and nearly entire ; texture sub-coria- 

 ceous ; colour deep green, both surfaces deeply pilose, the lower 

 scaly on the ribs, sori large, medial. Columbia, Ac. Stove 

 species. SYN. A. Gardneri. 



A. procera (tall), tti. aculeated and paleaceous below, with large 

 glossy, dark brown scales, fronds bipinnate, glabrous, pinnatifid 

 at the apex ; primary pinnae 1ft. or more long, the rachis winged 

 above ; jmmules 2in. to Sin. long, oblong-acuminate or obtuse, 

 pinnatifid half way down to the costa ; lobes short, sub-rotundate 

 often acute, mostly entire, tori small on all the lobes, between 

 the costule and the margin. Tropical America. Steve species. 



A. prulnata (as if hoar-frosted).* tti. densely woolly at the base. 

 fronds glaucous, bi-tnpinnate ; primary pinnae petiolate, 12in. to 

 18m. long, ovate-lanceolate ; pinnules Sin. to 4in. long, lin. wide, 

 petiolulate, from a broad base, oblong-acuminate, deeply pinna- 

 tifid, or again pinnate ; ultimate divisions Jin. long, lanceolate 

 very acute, deeply and sharply serrated, sori solitary. Tropical 

 America, extending to Chili. Stove or greenhouse species. 



A. radena (rasping). COM. 3ft. high, Sin. diameter, sti. 2ft. to 

 3ft. long, clothed with ovate, pale brown scales, fronds 6ft. to 

 8ft. long, lanceolate-ovate, bipinnatisect ; primary segments lift 

 long, elongato-oblong, acuminate ; secondary ones 2in. to Sin long 

 petiolulate, linear-lanceolate, pinnati-partite ; segments oblong 

 denticulate, sori between the costule and the margin. Brazil 

 Stove species. 



A. Rebecca (Rebecca's) ;.* cau. slender, 8ft. high, frondt 

 ample, bipinnate ; pinnules twenty to thirty on each side, the 

 lower ones stalked, linear, 2m. to Sin. long, more or less incise- 

 crenate, apex acuminate, tori principally in two rows between 



FIG. 64. ALSOPHILA ACULEATA. 



IJft. to 2ft. long ; pinnules sessile, Sin. to 4in. long, about Jin. 

 broad, ligulate, cut down to a narrow wing on the rachis ; seg- 

 ments ligulate, blunt, dentate, sub-falcate, not Jin. broad, sori 

 sub-costular. Sikkim, 1872. Greenhouse species. SYN. A. 



A. Tsenitis (Trenitis-like).* fronds 3ft. to 6ft. long, bipinnate ; 

 pinnules distant, Sin. to 5in. long, lanceolate, acuminate, glabrous, 

 sub-entire, petioled ; petiole articulated on the rachis. sori in a 

 single series, equidistant between the costa and the margin, 

 mixed with long, copious hairs. Brazil. An elegant stove 



A. villosa (villous).* cau. 6ft. to 12ft. high. tti. 1ft. or more long, 

 tubercular, densely clothed at the base with ferruginous scales. 

 fronds from 6ft. to 8ft. long, bi- or sub-tripinnate, broadly lanceo- 

 late in outline ; pinnules lin. to Sin. long, oblong-lanceolate, 

 obtusely acuminate, deeply pinnatifid ; lobes oblong, obtuse, entire 

 or coarsely serrated, sori copious. Tropical America. A very 

 beautiful stove species. 



ALSTONIA (in honour of Dr. Alston, once Professor 

 of Botany at Edinburgh). OED. Apocynacece. Usually tail, 

 lactescent, or milk-bearing stove evergreen shrubs or trees, 

 with small white flowers, which are disposed in terminal 

 cymes. Leaves entire, opposite or often whorled. Of easy 

 culture, thriving best in a mixture of peat, loam, and sand. 

 Cuttings root readily in sand, in heat. Besides the one 

 mentioned, there are eleven other species. 



A. scholarls (school), fl., corolla salver-shaped, white ; cymes 

 on short peduncles. March to May. I. five to seven in a whorl, 

 obovate-oblong, obtuse, ribbed ; upper surface glossy, under white, 

 and having the veins approximating the margin. A. 8ft. India, 

 1803. SYN. Echites scholaris. 



ALSTROMERIA (in honour of Baron Alstromer, a 

 Swedish botanist, friend of Linnaeus). OBD. Amaryllidece. 

 Tall handsome stove, half-hardy, or hardy tuberous-rooted 

 plants, with leafy stems and terminal umbels of richly- 

 coloured flowers. Perianth regular, six-parted, subcam- 



