ENCYCLOPHDIA OF GARDENING. 
house, frame, or window. Water freely, April to Sept., moderately 
afterwards. Apply weak stimulants occasionally when flowering. 
Shade from midday sun. Propagate by seeds sown 1-l6in. deep in 
equal parts loam, leaf-mould, « sand in temp. 85°, March; cuttings 
of young shoots inserted in well-drained pots, July to Sept., & stored 
in cold trame or greenhouse until March, then planted outdoors. 
SPECIES CULTIVATED: P. angulata (Syn. Lobelia littoralis), white, summer, 
tometer Zealand; begonixfulia (Syn. Lobelia begoniafolia), blue, summer, 
1ma. 6 
Prickly Cedar (Juniperus oxycedrus).--See Juniperus. 
Prickly Date Palm .—See Acanthophenix. 
Prickly Heath.—See Pernettya. 
Prickly Ivy (Smilax aspera).—See Smilax. 
Prickly Pear (Opuntia vulgaris).—See Opuntia. 
Prickly Poppy (Argemone mexicana).—see Argemone. 
Prickly Rhubarb (Gunnera scabra).—See Gunnera. 
Prickly-seeded Spinach (Spinacia oleracea spinosa).—See 
Spinacia. 
tPrickly Shield Fern (Aspidium aculeatum).—See Aspidium., 
Prickly Thrift (Acantholimon glumaceum).—See Acantholimon, 
Pride-of-Barbados (Casalpinia pulcherrima)—See Cesal- 
pinia. 
Primrose (Primula vulgaris)—See Primula. 
Primula (Auricula; Ox-lip; Primrose; Polyanthus).—Ord. Primu- 
lacew. Greenhouse & hardy perennial herbs. " First introduced 1596. 
CULTURE OF AURICULA: Alpine type have blooms one colour, 
white or yellow eye, stems smooth & free from powder. J lorists’ type, 
stems & blooms covered with mealy powder; blooms with more than 
one colour, & white, grey, or green-edged petals. Properties of 
florists’ auricula: Stem erect, elastic, carrying truss well above foliage; 
stalk proportionately long to size of petals; pips (blooms) seven to each 
truss, round; anthers, bold; eye, white, smooth & round; colours, 
well defined, rich; edges, distinct. Compost, two parts turfy loam, 
one part cow manure, leaf-mould, half a part silver sand. Position, 
choice kinds in 3in. pots in airy frame or cool greenhouse; others in 
vich soil in shady borders. Pot & plant, Teb. or March. Water 
those in pots moderately in winter; freely other times. Top-dress 
with rich soil in March plants that were not repotted. Apply liquid 
manure in a weak state to plants in flower. Propagate by seeds sown 
in pans of light rich soil, just covered with fine soil, in March, in cold 
frame or greenhouse; by offsets in Feb. 
CULTURE OF CHINESE PRIMULA: First introduced 1820. Com- 
post, one part fibrous loam, half a part each of leaf-mould & decayed 
cow manure, half a part silver sand. Sow seeds in May on surface 
of a compost of two parts leaf-mould & one part loam, half a part sand, 
pressed moderately firm in a shallow pan or 6-in. pot, half filled with 
drainage. Cover seeds thinly with similar soil. lace pane of glass 
over pot or pan & put in temp. 55° to 65°. Shade from sun. Keep 
soil just moist. ransplant seedlings when three leaves form lin. 
apart in 3-in. pots, well drained & filled with compost advised for seeds. 
Still keep in temp. 55° to 65°. When leaves of seedlings meet each 
other, place singly in 2-in. pots, keep in same temp. for a week, then 
transfer to cold frame. Shade from sun. Admit air freely, Sprinkle 
foliage in evening. Transfer to 5-in. pots when well rooted, Depiacs 
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