606 



THE GARDENER'S ASSISTANT. 



unilaterale, both natives of this country, have pinnate 

 fronds 1 to 6 inches long, the variety being distinguished 

 by the smooth (not serrate) edges of the involucre. Should 

 be grown under a hand-light or in a moist cave. 



Lastrea. See Nephr odium. 



Lomaria alpina. — Sterile fronds pinnate, lanceolate, 

 almost prostrate, 4 to 6 inches long, dark-green. South 

 temperate zone. 



L. Boryana (chilensis). — A bold-growing species, fronds 

 3 feet long, pinnate; sterile pinnae broad, dark-green, 

 fertile much contracted. Chili. 



L. Spicant. — Fronds evergreen, sterile pinnatifid, lance- 



olate, spreading, deep-green ; fertile erect, pinnate, con- 

 tracted. Europe (Britain). Some of the best of the 

 numerous varieties are: — caudata, imbricata or crassi- 

 caule, multifurcata, plumosa, ramosa, and trinervia. 



Nephrodium cemulum. — Fronds evergreen, tripinnate, 

 triangular, 1 to 3 feet high, with a hay-like perfume; pin- 

 nules lobed, dentate, bright-green. Britain and Madeira. 



N. cristatum. — Fronds bipinnate, narrow-oblong; pinnae 

 broadly triangular, pinnules toothed. North America and 

 Europe (Britain). 



N. dilatatum (reduced to a sub-species under N. spinu- 

 losum by some authors). — Fronds evergreen, 2 to 4 feet 



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Fig. 734 —Nephrodium Filix-mas 



long, ovate, bi- or tri-pinnate, the basal pair of pinnae 

 somewhat triangular ; stipes clothed with large brown 

 chaffy scales. Cosmopolitan (Britain). Some of the best 

 varieties are : — Chantcrke, fronds with an elongated apex; 

 dumctorum, dwarf, the stipes covered with glands; lepi- 

 dotum, exceptionally scaly, fronds broadly-ovate. 



iV. crythrosorum. — Fronds bipinnate, 2 to 3 feet long; 

 sori large, the indusium bright-red, giving a peculiar beauty 

 to the under side of the fronds. Japan. 



N. Filix-mas (Male Fern). — One of the most beauti- 

 ful of our native Ferns. Fronds bipinnate, lanceolate, 

 2 to 4 feet long; pinnules oblong - obtuse, deep -green. 

 Cosmopolitan. The varieties of it are very numerous, 

 and some of them are worthy of special cultivation in 

 pots. Some of the best are: — Bollandce, fronds undulate, 

 12 to 18 inches long; cristata (fig. 734), pinnae beauti- 

 fully crested ; cristata angustata, fronds less than 2 inches 

 wide, pinnae densely crested and curly; grandiceps, 12 to 

 18 inches long, the pinnae forked, forming a broad crested 

 head ; paleacea, fronds 3 to 4 feet long, tinged with yellow 

 when young, stipes clothed with golden chaffy scales; Pin- 



dart, fronds 1 to 2 feet long, and narrow — sometimes called 

 .V. pscudo-mas. 



y. (joldianum. — Fronds bipinnate, triangular, spread- 

 ing, 10 to 20 inches long, bright-green, bold and hand- 

 some. North America. 



X. hirtipes (atratum). — Fronds evergreen, pinnate; 

 pinnae toothed, deep -green; stipes clothed with dark 

 chaffy scales. Japan and East Indies. 



X. marginale. — Fronds large, bipinnate, lanceolate, 1 to 

 2 feet long; pinnules oblong, obtuse, crenate, bright-green. 

 North America. 



A. niontanum. — Fronds pinnate, 1 to 3 feet long, bright- 

 green, fragrant; pinnae linear-lanceolate, deeply pinnatifid, 

 spreading. The variety crispa has crisped pinnules; 

 cristata has pinnae beautifully tasselled : Xouelliana has 

 linear and erose pinnae, deeply cut. Europe (Britain). 



X. rigidum. — Fronds evergreen; pinnules oblong, den- 

 tate, glaucous. North temperate zone (Britain). 



X. Sieboldii. — Fronds coriaceous, pinnate, 1 to 2 feet 

 long ; pinnae, from three to four pairs, about 6 inches 

 long and 1 inch broad, dark-green; stipes scaly. Japan. 



