Plerandra 



(214 ) 



Pleurospermum 



have fallen, and are seldom raised more than 3" 

 above the soil. Propagation, by division at potting 

 time. Soil, fibrous peat, sphagnum, and silver sand ; 

 or leaf mould in place of peat. Rather deep pans are 

 the best receptacles if ample drainage is provided. 

 Potting is best done soon after flowering. Place 

 the bulbs l" apart, and wrap a little sphagnum 

 round the base of each to help fix it in the compost. 

 Give a light and elevated position in an inter- 

 mediate house until summer, when a cool house 

 will suit. After the first watering no moisture will 

 be needed for several weeks, in fact, till growth is 



vitiensis, 10', sum., grn. 



Principal Species : 

 Grayi, '20' to 30', Jy., 

 grii. ((/. Grajffei). 



PLEROMA. 



By botanists tins genus (nrd. Melastomaceso) is 

 mostly included in Tibouchina, but some of the 

 species are so well known under the old name that 

 it is included here. All are evergreen shrubs 

 requiring an intermediate temperature. Propaga- 

 tion, by cuttings in a close case. Soil, two parts 

 fibrous peat, two parts loam, and one part sand 



PLEIONE (correctly CIELOGVNE) LAGEXAKIA. 



active ; reduce the supply when the leaves begin 

 to turn yellow, and withhold it when they fall. 

 Keep dry till growth starts again 



Principal Species : 



[NOTE. s. = sepals. 



humilis, 6" to 9", win., 



s. and p. pale blush., 1. 



blush, pur. 

 lagenaria, G" to 12", win., 



s. and p. rosy lil., 1. 



wh., marked pur., yel., 



crim. (fee figure). 



Other Species : 



birmauica, 8" to 12", 

 win., s. and p. rosy pur., 

 1. pur., disk wh., br. 



hookeriana, Ivs. 4" to 8", 

 produced with the 

 flowers, spr., s. and p. 

 rosy pur., 1. light pur. 



p. = petals. 1. = lip.] 

 maculata, 6" to 10", ant., 

 s. and p. wh., 1. wh., 

 pur. , disk yellowish pur. 

 praecox, 8" to 14", win., 

 s. and p. rosy pur., 1. 

 pale ro., disk yel. ; 

 wallichiana has larger 

 and darker flowers. 



marked dark pur., 



throat yel. 

 reichenbachiana. C" to 



12", win., s. lil. marked 



pur., p. lil., 1. wh., 



spotted pur. 

 wallichiana (tee pracox 



var.). 



PLERANDRA. 



Stove evergreen trees (ord. Araliacese) requiring 

 loamy soil. Not of great horticultural value. 



Pleocnemia, (see Ncphrodhim~). 

 Pleopeltis (fee Poly podium). 



Principal Species :- 



elegans, ">', sum., hi. (now 

 Tibouchina elegaus). 



macranthum, 8', win., 

 sum., vio. pur. (now 



Tihouchiua semi-decan- 

 dia). 



- floribuudum, 4', dwarf, 

 0" across. 



PLEUROGYNA (syn. LOMATOGONICM). 

 A hardy annual (ord. Gentianeas) of no horti- 

 cultural value. 



PLEUROPETALUM. 



Curious, warm greenhouse shrubs from Central 

 America (ord. Portulacese). Propagation, by cut- 

 tings of young shoots in a close case. Soil, rich 

 loam. 



Principal Species : 



costaricense, 4', Aug., Darwinii, 3', Aug., grn., 

 grn., turning to red. red. 



PLEUROSPERMUM. 



Hardy perennial herbs (ord. UmbelliferEe) of no 

 value horticultnrallv. 



Pleurandra (nee ll'Mertia). 

 Plfitridium (see Polpodivm"). 

 Pleurococcns (see Finns enemies). 

 Pleimi'jram ma (see Monogram me). 





