118 CATALOGUE OF GREENHOUSE PLANTS. 



plant, with oblong leaves yielding 1 numerous spikes of showy 

 blue flowers nearly all the Summer. 



Polygata cordati. Heart-shaped Polygata. A beautiful 

 little plant, producing abundance of licit purple flowers 

 nearly all the Winter. 



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

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

 straw, brown, graen and pu.ple, and most of these colours 

 are frequently to be seen on the same plant; from March 

 to June. 



Pri?nula. In this genus are embraced all the varieties of 

 the Primrose, Polyanthus, Aurieiihi, Cowslip, Oxlip, &c. 

 already inserted in one Biennial and Perennial catalogues. 

 The flowers, which appear early in Spriiig; are mostly 

 sweet-scented, and of various colours, red, white, yellow, 

 lilac, purple, crimson, &c, which in some me beautifully 

 variegated. The ab«»ve are natives of England; besides 

 which are two varieties, a lute and pink, natives of China, 

 producing umbels of flowers ; from January to May. 



Pprus Jefponicd aiba, or C.vdo'nia Japoniea. One of the 

 earliest flowering dwarf shrubs of the garden, producing 

 beautiful blush flowers; there is another variety, which pro- 

 duces scarlet blossoms, already described in our catalogue 

 of shrubs as an evergreen, which is a mistake, they being 

 both deciduous shrubs. 



Reseda. Mignonette. This fragrant Uttle plant have 

 been already treated of as an annual; it may, however, be 

 kept under cultivation from January to December, by 

 sowing seed at different seasons in a greenhouse or warm 

 room. 



Rhododendron. Rose Bny. A beautiful genus of plants, 

 chiefly natives of India, furnishing clusters of flowers of 

 various shades, as purple, scarlet or crimson, and these 

 variegated in spots and flakes ; from March to May. 



Rosea. Rose. This Queen of Flowers, so universally 

 admired, nature seems to have distributed over the whole 



