LIST OF GREENHOUSE SHRUBS. 
189 
loam. The plants should always stand in an airy part of the greehouse. Cutting-s 
of the tender wood, slipped off when about two inches long-, and planted in pots of 
fine clean sand, under a g-lass, and placed in a cucumber frame, or other situation 
where they will receive a brisk heat, will very shortly grow. As soon as they are 
rooted pot them off, and place them again in the frame for a short time, until they 
begin to grow, 
PUNICA. 
P. NANA. This plant is seldom seen in flower in our collections, although 
under most cultivators' care it grows very freely ; perhaps this deficiency may be 
accounted for by the plants being constantly kept in the greenhouse. For successful 
management it is indispensable to introduce this species, in the spring months, into 
a good brisk heat, either of a plant stove, pine pit, or cucumber frame, until it has 
made wood ; after which, gradually expose it to a cooler air, until it will endure the 
greenhouse, and in general it will flower very freely. The soil most suitable is 
composed of two parts of rich light loam and one part heath mould. The pots 
should be well drained. Cuttings of the ripe wood, planted in pots of soil or sand, 
under a glass in September, if set in a cool dry place in the greenhouse through the 
winter, and in March plunged in a brisk heat, will strike root very freely. 
ROELLIA. 
R. ciLiATA. A very beautiful little plant, of rather short duration, being very 
liable to damp off in winter. It requires to be potted in a mixture of three parts 
sandy heath mould and one part rotten leaves, and set in a very dry and airy part 
of the greenhouse, close to the glass. Cuttings of the tender wood slipped off", and 
planted in pots of fine sand under glass, and placed in a rather dry heat, will strike 
root freely. 
RHODODENDRON. 
R. ARBOREUM with its varieties. See Vol. I. page 101, Vol. II. page 98, and 
Vol. III. page 64. 
SPHENOGYNE. 
S. ODORATA and pilifera are both of common culture, growing very freely 
in any light rich soil, and are easily increased by cuttings of half-ripened wood, 
planted in pots of soil. 
SALVIA. 
S. FULGENS is a most beautiful species, usually grown in the open air, in the 
summer months planted out in beds, where it makes a most splendid show. It is 
very easily propagated by cuttings of the half-ripened wood, planted either under a 
hand-glass, or in pots ; they grow quicker if placed in a little heat. 
S. SPLENDENS is more tender than the last ; it is apt to become very unsightly 
in winter if overwatered ; the best way is to be very sparing of water, — to set the 
plant in a warm, and dry, but very airy part of the house. Early in spring 
introduce the plant into a brisk heat, where it will make fine shoots, and show 
flower finely, when it may be removed to the greenhouse. Propagation is performed 
by cuttings planted in pots of soil and placed in a cucumber frame. 
STENANTHERA. 
S. PiNiFOLiA. A very elegant shrub, flowering from September to January ; 
but the flowers are very fugitive. It is a native of New South Wales. A soil 
i 
