578 



THE BOOK OF CHOICE FERNS. 



N. (Eunephrodium) truncatum — En-nepli-ro'-di-mn ; trun-ca^-tum 

 (truncate, maimed), Presl. 

 This very fine but very rare, greenliouse species, also known as 

 N. abruptum, iV, eusorum, and N. Hudsonianum^ is a native of North 

 India, Malacca, Australia, and Polynesia. It is a plant of large dimensions, 

 its fronds, which are 2ft. to 4ft. long and 1ft. to l^ft. broad, being borne 

 on tufted, stout, upright stalks 2ft. long, gTeyish in colour, and of a 

 slightly hairy nature. The leaflets. Gin. to Din. long and lin. broad, are 



Fi^. 140. Frond of Nephrodium undulatum 

 nat. size) 



cut down one-third or more of the distance to the midrib into blunt, spreading, 

 oblong lobes, of a soft, papery texture. The sori (spore masses) are disposed 

 one on each veinlet, close to the main vein. — Hooher^ Species Filicum, iv., 

 p. 77, t. 241b. Nicholson, Dictionary of Gardening, ii., p. 444. Beddome, 

 Ferns of British India, t. 130. 



N. (Lastrea) undulatum— Las'-tre-a ; un-dul-a'-tum (wavy), Baker. 



This is a very distinct and elegant, stove species, native of Ceylon, and, 

 according to Beddome, found at Wattekelle, KaUibokka, at an elevation of 



