FERNS— STOVE AND GREENHOUSE. 



599 



surface of the frond. Var. corymbiferum has the apex of 

 the frond branched and crested. Japan and China. G. 



P. Meyenianum has the sessile sterile fronds cordate, 

 lobed, 3 to 6 inches long; fertile fronds pinnatifid, 1 to 3 

 feet long; dark-green. East Indies, &c. 



P. pectinatum. — Fronds pinnate, 1 to 2 feet long; pinnae 

 sessile, linear, dull-green; sori uniserial; stipes and rachis 



Fig. 727.— Platycerium Willinckii. 



black. Var. Paradisece has fronds slightly pubescent, 

 the sori golden -yellow, and the stipes and rachis dark- 

 brown. Tropical America. 



P. Picotii. — Fronds crowded, arching wavy, elongate, 

 entire, leathery, shining-green, glaucous beneath, 3 feet 

 long and 6 inches wide. Brazil. 



P. plesiosorum (colpodes). — Fronds pinnate in the 

 lower part, pinnatifid above, broadly lanceolate, 1 to 

 2 feet long; pinnae linear-lanceolate, sessile, deep-green. 

 Venezuela. 



P. (Drynaria) quercifolium. — Sterile fronds sessile, 

 cordate-ovate, deeply lobed, 5 to 6 inches long; fertile 

 fronds broadly pinnatifid, rigid, 1 to 2 feet long, glau- 

 cous-green. East Indies, &c. 



P. reptans. — Fronds pinnate, pendulous, proliferous at 

 the apex, 6 to 12 inches long ; pinnae deltoid or oblong- 

 obtuse, light-green. Pretty for a basket. Asplenioides is 

 an erect, larger form. Jamaica. 



P. rupestre. — Fronds simple, entire, 2 inches long, ovate; 

 fertile fronds linear, 3 to 4 inches long, white below. 

 Australia. G. 



P. Schneiderianum. — A supposed garden hybrid be- 

 tween P. aureuni and P. vulgare, var. ; fronds 2 to 3 feet 

 long, with the pinnae elegantly waved and crested. G. 



P. squamatum. — Fronds pinnate, lanceolate, 1 to 2 feet 

 long, 6 inches broad; pinnae and stipes densely clothed 

 with ciliate ferruginous scales. West Indies. 



P. stigmaticum {venosum) (fig. 728). — A small, creeping 

 species with slender rhizomes, entire, erect fronds 2 to 4 

 inches long, £ inch wide, dark-green, the veins very dis- 

 tinct; sori in two rows. Colombia. P. lycopodioides is 

 very similar but has broader fronds. 



P. subauriculaturn. — Fronds pinnate, pendulous, 5 to 

 10 feet long; pinnae entire, smooth, bright-green; sori 



immersed, forming raised bosses ; a fine basket Fern. 

 Malay Archipelago. 



P. verrucosum. — Fronds pinnate, pendulous, 4 to 6 

 feet long; pinnae 6 to 8 inches long, bright-green, sori 

 large, forming raised bosses. Malaya. 



Polystichum [Aspidium]. — Evergreen Ferns, with free 

 veins, dot-like sori, and peltate indusia; texture more or 

 less coriaceous; teeth usually awned. 



P. aristatum. — Fronds tri-quadri-pinnate, deltoid, 1 to 

 3 feet long; pinnules broadly oblong, deeply divided, 

 cuneate, spinose; sori large; stipes and rachis hairy. Var. 

 variegatum is a pretty form. Tropical Asia. 



P. capense. — Fronds 2 to 6 feet long, tripinnate, broad. 

 and spreading; pinnules large, obtuse, dentate; caudex 

 stout, creeping, clothed with large chaffy scales. South 

 Africa. G. 



P. denticulatum. — Fronds tripinnate, triangular, 6 to 

 12 inches long; pinnae broad; pinnules finely divided, 

 dentate, dull-green; stipes and crown scaly. Jamaica. 



P. falcinellum. — Fronds 12 to 20 inches long, pinnate; 

 pinnae linear-oblong, acute, eared, serrate; sori red, con- 

 spicuous; stipes densely scaly; caudex erect. Madeira. G. 



P. frondosum. — Fronds 2 to 3 feet long, tripinnate; 

 pinnae largest at the base, pinnules dentate, acuminate; 

 stipes and rachis scaly. Madeira. G. 



P. lepidocaulon. — Fronds 1 to 2 feet long, pinnate, the 

 rachis lengthened out into tail-like points and proliferous 

 at the apex; pinnae broad, auriculate, mucronate; stipes 

 scaly. Japan. G. 



P. proliferum. — Fronds 1 to 2 feet long, bipinnate, 

 linear-lanceolate, viviparous at the apex; pinnules dentate; 

 stipes furnished with large black chaffy scales. A form 

 of P. aculeatum. Tasmania. G. 



P. triangulum. — Fronds pinnate, 1J foot long; pinnae 

 oblong, mucronate, auriculate; stipes and rachis densely 

 scaly. The variety laxum has the pinnae more divided. 

 West Indies. 



P. venustum. — Fronds erect, 6 to 12 inches long, bipin- 

 nate; pinnules small, spiny-toothed; stipes and rachis 



Fig. 728. — Polypodium stigmaticum. 



clothed with black, imbricating, chaffy scales; caudex 

 erect. New Zealand. G. 



P vcstitum. — Fronds 1 to 2 feet long, bipinnate. lanceo- 



