ENCYCLOPHDIA OF GARDENING. 
house species, March to Sept. 55° to 65°; Sept. to March 40° to 50°. 
Propagate by spores sown on surface of fine sandy peat in well-drained 
pans in shade & temp. 70° to 80° any time; division of plants at 
potting time. 
STOVE SPECIES: O. auratum, 1 ft., Malaya. 
GREENHOUSE SPECIES: O. japonicum, I ft., Japan and Himalayas. 
Ophioglossum (Adder’s Tongue Fern; Adder’s Spear).—Ord. 
Filices. Hardy deciduous ferns. Fronds, barren, egg-shaped, pale 
green; fertile, contracted, spike-like. 
OUTDOOR CULTURE: Soil, moist loamy. Position, in tufts of 
grass on partially shaded rockery. Plant, April to Aug. Lift plants 
growing wild with large sod attached & plant in same. Water freely 
in dry weather, 
POT CULTURE: Compost, sandy loam & leaf-mould in equal parts. 
Position, shallow pans, well drained, in cold, shady frame. Plant, 
April to Aug. Wateg freely March to Sept., keep just moist after- 
wards. Propagate by spores gathered when ripe in July, & sown on 
surface of pans of above soil, covered with a sheet of glass & placed in 
a cool, moist frame or greenhouse; division of plants in April. 
SPECIES CULTIVATED: O. vulgatum, 4 to 6 in., Britain, in moist meadows. 
Ophiopogon (Snake’s-beard). — Ord. Hemodoracez. Hardy 
erennial herbs. Flowering & orn, foliage. First introduced 1784. 
eaves, long, narrow, green & variegated with yellow or creamy white. 
OUTDOOR CULTURE: Soil, sandy loam. Position, edgings to or 
groups in sunny borders. Plant, Oct. or March. Lift, divide & replant 
every four or five years. 
POT CULTURE: Compost, two parts sandy loam, one part leaf- 
mould or decayed manure & one part sand. Position, well-drained 
pots or in small beds in cold or heated greenhouses, conservatories, 
ferneries or windows. Adapted for sun or shade. Pot or plant, Feb. 
or March. Water copiously March to Oct.; moderately afterwards. 
Apply stimulants once or twice weekly, April to Sept. Propagate by 
division of plants in Feb. or March. 
SPECIES LTIVATED: O. intermedius argenteo-marginatus, lilac, summer, 
1 ft., leaves margined with white, Himalayas; Jaburan variegatus, white, July, 
1 ft., leaves striped with green and white, Japan; japonicus variegatus, white, 
summer, 1 ft., leaves striped with creamy white, Japan. See also Liriope spicata, 
Ophrys (Bee Orchis; Fly Orchis; Spider Orchis).—Ord. Orchi- 
dacew. Hardy terrestrial orchids. Deciduous. 
OUTDOOR CULTURE: Soil, sandy loam mixed with pieces of chalk 
or broken limestone. Position, dry sunny rockeries. Plant, Aug. to 
Nov. Cover surface of soil between plants with pieces of chalk or lime- 
stone, or mulch with layer of cocoanut-fibre refuse. 
POT CULTURE: ou t, two parts sandy loam, one part pieces of 
broken limestone or chalk. Position, small, well-drained pots or pans 
in cold sunny frame or greenhouse. Pot, Aug. to Nov., placing tubers 
lin. below surface & pressing soil firmly. Place five tubers in 6 in. pot. 
Plunge pots to rims in cocoanut-fibre refuse or ashes during growing 
period. Water freely from time growth begins till foliage dies down, 
then keep nearly dry. Repot every two or three years. Propagate by 
division of tuberous roots in March or April. 
SPECIES CULTIVATED: 0. apifera (Bee Orchis), purple, orange, and yellow, 
April to June, 1 ft., Europe (Britain); aranifera (Spider Orchis), brown and yellow, 
April to June, 6 in., Europe (Britain); muscifera (Fly Orchis), brown, blue, and 
yellow, May, 6 in., Europe (Britain); insectifera, green, white, purple, and blue, 
May and June, 8 in., Europe; tenthredinifera (Sawfly Orchis), green, brown, and 
yellow, May and June, 1 ft., Europe. 
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