March.'] GEEEN-HOUSE — REPOTTING. 249 



"which is very persistent. P. cynaroides has the largest 

 flower^ which is purple, green, and red. P. speciosa, P. 

 umhondlis, once P. loiigi/dlia, P. melaleuca, P. grandi flora, 

 P. coccinea, P. cenoccwpa, P. pollens^ P. formosa, P. mag- 

 nificaj P. specibsa ruhra, and P. mellifera, will afford a very 

 good variety. It is almost impossible to describe their true 

 color, it being so various; red, white, straw, brown, green, 

 and purple, are most predominant, and frequently to be seen 

 the same flower. The plants must be well drained ; and during 

 warm weather be careful that they are not neglected in 

 water, for if they are suffered to droop, they seldom recover. 

 For this reason the pots ought not to stand in the strong 

 sun ; the plants can bear it^ but to the roots it is injurious. 

 (Soil No. 9.) 



PidteneeuSj about forty species, pretty little dwarf- growing 

 shrubs of New South Wales ; flowers small, leguminose, all 

 yellow with a little red outside of the petals. P. suhttmhel- 

 lata J P. villosa^ P. ohcorddta, P. argentea, P. plumbsa^ P. flex- 

 uisj shining-leaved, fragrant; P. Candida, and P. stricta, 

 are all fine species, and esteemed in collections. The leaves 

 are all small ; they require an airy exposure^ and the pots 

 drained. (Soil No. 6.) 



Rliodoclnton volubile, or Lopliorspermiim rJiodocliiton : this 

 is a very fine climbing plant, with large tubular dark brown 

 flowers, blooming from July to October; it is of rapid growth, 

 and is an excellent plant for the flower-garden. The plant 

 must have frequent repotting to make it grow rapidly, for the 

 finer it grows the more profusely it flowers. (Soil No. 12.) 



Rhododendrons, (Rose tree,) a magnificent genus^ and 

 contains some of the most superb and gigantic plants that 

 adorn the green-house. At present the most admired is R. 

 arhbreum, with its varieties. It has deep crimson flowers, 

 with dark spots and flakes campanulated, and in large clusters ; 

 leaves lanceolate, acute, rough and silvery beneath. R. ar- 

 hbreum album is very rare. R, arhbreum superhum, flow- 

 ers same shape as arhbreum, color bright rosy scarlet; 

 foliage one-third larger, but not silvery beneath; grows freely, 

 and generally thought the finest variety. R. arhbrea alta- 

 Cldrence is also very superb. R. arhbrea Russelidnum, 

 picfum, venustum, guttdtum, tigrinum nohlcdnum, grand- 

 iflbrum, spectdhile, are all very distinct; but there are so 

 many other varieties from seed that they will soon be so 



