116 CATALOGUE OF GREEN-HOUSE PLANTS. 



varieties ; the true double white and striped are very rare ; 

 but some of those cultivated for sale, producing semi-double 

 flowers, are by no means desirable. 



Oka fragrance, Dwarf Olive. This variety of the Olive 

 recommends itself to notice, for its dwarf habit of growth, 

 and from the foliage and white blossoms being highly odo- 

 riferous ; from March to May. 



Passijiora, Passion flower. Of this celebrated genus of 

 climbing plants, there are several species and varieties, 

 which produce splendid flowers of various colours, red, blue, 

 white, purple, scarlet, &c., beautifully contrasted, and some 

 species yield fruit. They generally blossom from May to 

 September, and some will flower in the hot-house in winter. 



Pelargonium, Geranium. The species and varieties of 

 this beautiful genus is supposed to exceed a thousand, which 

 are of every character, colour, and lineament, and some so 

 beautifully blended as to astonish the beholder; the agree 

 able fragrance also, of which many of them are possessed, 

 will always render them favourites to amateur florists. The 

 best blooming season is from April to June, or July. 



Piiiosporum. A Chinese evergi'een shrub, with" handsome 

 glossy foliage, yielding numerous white clusters of flowers 

 in April and May, which are of delicious fragrance. There 

 are several species, one of which is variegated. 



Plumbago capensis, Cape Plumbago. A beautiful dwarf 

 plant, with oblong leaves, yielding numerous spikes of showy 

 blue flowers nearly all the summer. 



Polygaia cordati, Heart-shaped Polygata. A beautiful 

 little plant, producing abundance of rich purple flowers 

 nearly all the winter. 



Protea. A beautiful race of plants, the foliage of which 

 is very diversified, and the flowers also; being red, white, 

 straw, brown, green, and purple, and most of these colours 

 are frequently to be seen on the same jilant ; in flower from 

 March to June. 



PiHmula. In this genus are embraced all the varieties of 



