THE FLORAL WORLD AND GARDEN GUIDE. 



207 



A. septentrionale. — J to J ft. Requires 

 moderate constant (not stagnant) mois- 

 ture ; grows well in pots, but does not 

 bear exposure. 



A. Trichomanes. — } to | ft. May be 

 grown on rockwork or in pots, and grows 

 freely in a pure atmosphere when esta- 

 blished. 



A. T. cristatum. — £ to J ft. Propagated 

 by dividing the crowns. Drain well ; do 

 not allow stagnant water to remain about 

 the roots. 



Athyrium filix-fccmina (Lady fern). — 2 

 to 4 ft. Prefers a light, free, loamy soil, 

 both sandy and turfy, and should be 

 planted in moist sheltered places. 



A. f.-f. crispum. — }y to § ft. May be 

 placed on rockwork, or in the mouth of a 

 cavernous recess, with fine effect. 



A. f.-f. corymbiferum. — 2 to 3 ft. Must 

 be well supplied with water ; when grown 

 in a pot, it requires one of a large size. 



Bleclmum (Lomaria) spicant (Common 

 hard fern). — 1 to 1J- ft. Of easy culture, 

 and very hardy, luxuriating in swampy, 

 boggy places. 



B. s. multifidum. — 1 to l|ft. Readily 

 propagated by dividing the crowns ; must 

 be kept moist. 



Ceterach (Grammitis) officinarum 

 (Scale fern). — J to i ft. Likes a porous 

 soil in which a good proportion of old mor- 

 tar and broken freestone is mixed ; dis- 

 likes damp. 



Cystopteris (Aspidium) fragilis Dick- 

 ieana. — J to i ft. Must be well drained. 

 Fronds subject to damage from a yellow 

 fungus. 



0. montana (Mountain bladder fern).— 

 js to J ft. It is generally believed that this 

 cannot be grown in the hardy fernery, but 

 it can with care. 



Lastrea cristata. — 1 to 2 ft. — Free- 

 growing and easily cultivated : of erect 

 habit, and bears exposure well ; suitable 

 for damp rockwork. 



L. c. major. — 2 to 3 ft. Well adapted 

 for growing on the margins of artificial 

 bogs. Of a distinct character. 



L. c. spinulosa. — 2 to 3 ft. Erect in 

 habit, and will grow in any situation suit- 

 able for ferns. 



L. dilatata dumetorum. — J to 1 ft. 

 Suitable for rockwork, shady borders, or 

 •wilderness scenery : one of the most com- 

 pound and elegant of our British ferns. 



L. d. cristata. — 2 to 3 ft. May be 

 grown in an exposed position, but succeeds 

 much better in the shade. 



L. filix-mas. — 3 to 4 ft. Very com- 

 mon, but ornamental when in vigorous 

 health; suitable for shady walks and shady 

 side of rock-work. 



L. f.-m. cristata. — 2 to 3 ft. As a pot 

 plant it requires plenty of space for its 

 roots, a sandy, loamy soil, and must be 

 watered in summer. 



L. f.-m. c. angustata.— 2 to 3 ft. Will 

 flourish in the shade. The pots may be 

 plunged in a sheltered place out of doors 

 in the winter. 



L. semula (foenisecii, recurva). — 1 ft 

 One of the most beautiful British ferns- 

 growing freely in light, porous, loamy soil ; 

 must be well drained. 



L. montana (oreopteris) (Mountain 

 Buckler fern) — 1 to lift. One of the 

 few fragrant ferns ; its odour is balsamic 

 and agreeable. Plant in pure loam ; keep 

 quite wet at all times. 



L. rigida (Rigid Buckler fern). — f to 

 1 ft. Flourishes in well-drained porous 

 loam, or a shady peat border ; do not keep 

 it too moist. 



Ophioglossum lusitanicum (Dwarf 

 Adder's-tongue). — ^ to J ft. Easily culti- 

 vated, but often destroyed by snails ; soil, 

 loam, or sandy (not fibrous) peat. 



0. vulgatum (CommonAdder's-tongue). 

 — J to ^ ft. Mature in mid- winter, and 

 dies down about Midsummer; soil, sandy 

 loam. 



Osmunda Regalis (Royal fern). — 3 to 

 6 ft. Prefers moist situations and a peaty 

 soil. Propagated by detaching and plant- 

 ing any lateral offshoot from the caudex. 



Polypodium alpestre (Alpine polypody). 

 — § to 1 ft. Perfectly hardy. In the hardy 

 fernery or in pots it will grow readily in 

 well-drained, porous, loamy soil. 



P. dryopteris (Oak fern).— \ to fft. 

 Loves moisture, shade, and shelter : an 

 excellent dwarf rock fern, and very hardy. 

 P. robertianum (calcareum) (Limestone 

 polypody).—! to 1 ft. Hardy, free-grow- 

 ing, and will "bear exposure to sun ; prefers 

 loamy soil, and must be well drained. 



P. phegopteris (Beech fern). — \ to 1 ft. 

 Requires an abundant supply of moisture 

 about its roots and fronds : must have 

 shade and a moist atmosphere. 



P. vulgare cambricum (Welsh poly- 

 pody).— f to 1 ft. Remarkable for great 

 breadth of frond. This -well-known and 

 handsome variety is always barren. 



P. semilacerum (Hibernicum) (Irish 

 polypody).— 1 to lift. A handsome va- 

 riety, but not characteristic till of consi- 

 derable size and strength, 



Polystichum angulare. — 2 to 3 ft. No 

 fern easier cultivated ; grows in any light 

 loamy soil, especially where there is leaf- 

 mould. 



P. a. proliferum (angustatum). — 2 to 

 3 ft. It should be planted in well-drained 

 loamy soil and a shady situation ; one 



