PIU 



[ 747 ] 



PRO 



P. Sibi'rica (Siberian). , Red. May. Siberia. 



1818. 

 intcge'rrima (very-entire). $. Rose, 



lilac. April. Altai. 1833. Half-hardy. 



Sikkime'nsis (Sikkim). 1. Yellow. May. 



Himalayah. 1850. 



Si'msii (Sims's). . White. April. Switz- 



erland. 1768. 



stri'cta (erect). ?. Pink. April. Denmark. 



1822. 



Stua'rtii (Stuart's). J. Yellow. June. 



Nepaul. 1845. 



suave'olens (sweet-scented). . Yellow. 



April. Italy. 1824. 



trunca'ta (abrupt-ended-teaued). . Purple. 



April. South Europe. 



venu'sta (neat). 4> Purple. April. Hun- 



gary. 1833. 



ve'ris (spring. Cowslip). . Yellow. May. 



Britain. 

 ru'bra (red). . Red. May. Britain. 



villo'sa (shaggy -leaved). $. Purple. April. 



Switzerland. 1768. 



visco'sa (clammy). . Purple. April. 



Piedmont. 1792. 



wtlga'ris (common. Primrose). $. Yellow. 



June. Britain. 



a'lba (single-white). $. White. 



April. Britain. 



a'lba (double-white). \. 

 White. April. Britain. 

 ple'na atropurpu'rea (double-dark- 

 purple). . Purple. April. Britain. 



ple'na ca'rnea (double-flesh-co- 



loured). $. Flesh. April. Britain. 



ple'na cu'prea (double-copper). ^. 



Copper. April. Britain. 



ple'na ru'bra (double-red) . $ . Red. 



April. Britain. 



ple'na sulphu'rea (double-brim- 

 stone). $. Pale yellow. April. 

 Britain. 



ple'na viola 1 cea (double-violet). 



i. Violet. April. Britain. 



polya'ntka (many-flowered. Poly- 



anthus), 



PRI'NOS. Winter Berry. (The an- 

 cient name of the Holly, which some of 

 the species resemhle. Nat- ord., Holly- 

 icorts [Aquifoliacese]. Linn., Q-Hcx- 

 andiia l-Monogynia.) 



All hardy and deciduous, except lucidus, 

 which is a hardy evergreen, and montanus, 

 which is a stove evergreen. All white-flowered. 

 Hardy kinds, seeds and layers ; stove kind by 

 cuttings of firm shoots, in sand, under a bell- 

 glass ; sandy loam and peat. 



P. ambi'guus (ambiguous). 4. Carolina. 1812. 



atoma'rius (atomed). 2. July. N. America. 



1822. 



coria'ceus (leather-tea y erf). 3. June. N. 



America. 1820. 



deci'duus (deciduous). 4. June. Virginia. 



1736. 



du'bius (doubtful). 12. July. N.America. 



1736. 



gla'ber (smooth). l. July. Canada. 1759. 



leeviga'tus (smooth). 4. June. N. America. 



1812. 



P. ianceola'tus (spear-head-teauerf). 4. July. 



Carolina. 1811. 

 j lu'cidus (shining). 3. June. N. America. 



1778. 



; monta'nus (mountain). 3. W. Indies. 1820. 

 | verticilla'tus (whorled). 6. N. America. 



1736. 



PRIVET. Li-guf strum. 



PRO'CKIA. (Probably a commemo- 

 rative name. Nat. ord., Bixads [Fla- 

 courtiacese]. Linn., 13-Polyandria 1- 

 Monogynia. ) 



Stove yellow-flowered evergreen shrubs. 

 Cuttings of half-ripened shoots, in sand, under 

 a glass, in heat ; sandy fibry loam, and a little 

 fibry peat. Winter temp., 55 to 60 ; summer, 

 60 to 85. 

 P. Cnt'efc(St.Cnu). 4. July. W.Indies. 1822. 



serra'ta (saw-leaved). 6. July. Montserrat. 



1823. 



thecefo'rmis (Tea-shaped). 6. July. Bour- 



bon. 1820. 



PROLIFEROUS. See Double- Flower. 

 The term is also applied to plants pro- 

 ducing many suckers. 



PROMEN^'A. (Nat. ord., Orchids 

 [Orchidacese]. Linn., %Q-Gynandria l- 

 Monandria. Allied to Maxillaria.) 



Stove orchids from Brazil, cultivated in 

 baskets. See Orchids. 



P. citri'na (citron-flowered). Yellow. May. 

 1838. 



lentigino'sa (freckled). Green, purple. July. 



1843. 



floWisao'nu(Rollisson's). Pale yellow. Au- 



gust. 1843. 



stapelioi'des (Stapelia-like). Green> yellow. 



June. 1828. 

 ni'gra (black). Green, black. 



June. 1835. 

 ru'bra (red). Green, red. 



June. 183Q. 



xanthi'na (yellow-flowered). Yellow. Au- 



gust. 1843. 



PRONA'YA. (Named after M. Pronay, 

 a French naturalist. Nat. ord., Pltto- 

 sporads [Pittosporacese], Linn., 5-Pent- 

 andria l-Monoyynia. Allied to Sollya.) 



Greenhouse evergreen twiner. Cuttings of 

 young shoots, in sand, under a glass ; sandy 

 loam and peat. Winter temp., 40 to 48. 

 P. e'legans (elegant). 4. Blue. August. New 

 Holland. 1837. 



PROPS are the supports required by 

 plants to sustain them in a desired 

 position. They must vary in height 

 and strength accordantly with the plant 

 to which they are applied, and should 

 always be as slight as is consistent 

 with efficiency. Nothing looks worse 

 than a disproportioned prop ; indeed, 

 i it should be concealed as much as 



