ENCYCLOPHDIA OF GARDENING. 
(Worm Grass), white, summer, 4 in., Europe (Britain); brevifolium, white, June, 
3 in., Mediterranean Region; Ewersii, pink, Aug., 4 to 6 in., Siberia; hispanicum 
(Syn. S. glaucum), pink and white, July, 3 in., 8. Europe; dasyphyllum, pink, 
July, 3 in., Europe; kamtschaticum, yellow, autumn, 6 in., Kamtschatka; ty jum, 
pink, summer, 3 in., pink, Aug., 2 in., Asia Minor; maximum, white and red, 
Aug., 1 to 2 ft., Europe; Maximowicszii, yellow, summer, 1ft., Japan; oppositifolia, 
white, July, 6 in., Caucasus; populifolium, pink, Aug., 8 to 10 in., Siberia; pul- 
chellum, rosy purple, summer, 4 to 6 in., N. America; reflexum, yellow, summer, 
8 to 10 in., Europe; roseum (Rose Root), reddish purple, summer, 6 to 10 in., 
N. Temperate Zone; spectabile, pink, autumn, 1 to 2 ft., Japan; stoloniferum 
(Syn. S. spurium), pink, summer, 6 in., Caucasus, and its varieties album (white) 
and splendens (red); telephium (Orpine or Live-long), pink, summer, 1 ft., 
yrenees. 
GREENHOUSE SPECIES: 8S. Sieboldii medio-pictum, pink, summer, leaves 
blotched with white, 9 in., Japan; sarmentosum variegatum (Syn. S. carneum 
variegatum), leaves green striped with white, stems pink, China. 
Selaginella (Creeping Moss; Tree Club Moss).—Ord. Lycopo- 
diacew. Stove & greenhouse orn. foliage plants. Evergreen. First 
introduced 1860. Fronds, creeping or erect; branched; green or 
variegated. 
CULTURE: Compost, equal parts fibrous peat & chopped sphagnum 
moss. Position, pots, pans, or rockeries in shade. Pot or plant Feb. 
or March. Water copiously April to Sept., moderately afterwards. 
Syringe daily April to Sept. Shade from sun. Temp., Sept. to March 
55° to 65°; March to Sept. 70° to 80° for stove species; Sept. to March 
40° to 50°; March to Sept. 55° to 65° for greenhouse species. Propagate 
by cuttings about 3in. long inserted in above compost in well-drained 
pots, & plunged in cocoanut-fibre refuse in a temp. of 80° at all seasons. 
STOVE SPECIES: S. canaliculata, creeping, Trop. Asia; cuspidata, W. Indies; 
erythropus, W. Indies; Galeolottii, O. America; grandis, Borneo; hematodes, 
W. Indies; Wildenovi, climbing, Trop. Asia, 
GREENHOUSE SPECIES: S. apus (Syn. S. apoda or senna N. America; 
Braunii, 12 to 18 in., China; kraussiana (Syn. Lycopodium denticulatum), creeping 
or trailing, 8S. Africa; kraussiana aurea, foliage golden; Martensii, 6 to 12 in., 
Mexico; Martensii variegata, varicgated; uncinata (Syn. 8. cesia), trailing, China. 
Selenipedium.—Ord. Orchidacee. Stove terrestrial orchids 
allied to Cypripediums, but differing from the latter in their long, 
narrow green leaves, and bearing several flowers on a stem. The 
sepals, moreover, are mostly long and twisted. 
CULTURE: Compost, two parts rough fibry peat, one part sphagnum 
moss & sand. Position, pots or pans drained one-third of their depth. 
Repot, March or April. Water freely March to Oct., moderately after- 
wards. Temp., March to Sept. 65° to 85°; Sept. to March 60° to 65°. 
Shade desirable. Resting period, none. Flowers appear in centre of 
last made growths after growth has finished. Propagate all the species 
by division of the roots at potting or planting time. 
SPECIES CULTIVATED: 8. boisserianum, yellow, green and white, autumn, 
Peru; caricinum, white, rose, yellow and green, various seasons, Bolivia; caudatum, 
creamy white, crimson, bronze and green, spring, Central America; lindleyanum, 
green and red, winter, British Guiana; longifolium, green, rose, yellow, and 
white, various seasons, Costa Rica; Schlimii, white, rose, and yellow, all the 
year, Colombia. Also many hybrids for which see trade lists. 
Sempervivum (House-leek).—Ord. Crassulaceez. Greenhouse & 
hardy succulent-leaved perennials. Leaves, fleshy, green or variegated. 
CULTURE OF HARDY SPECIES: Soil, ordinary light, sandy, con- 
taining a little old mortar. Position, open & sunny; chinks, crevices, 
or ledges of rockeries; edgings to borders. Plant, March to June. If 
used for edgings, plant close together in single or double rows. Top- 
dress annually in March with old & dried cow dung. Common House- 
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