124 



GREENHOUSE MANAGEMENT. 



a mixture of equal parts of good loam, fibrous peat, 

 chopped sphagnum, broken crocks and charcoal. Lycaste 

 and Ccelogyne are benefited by an admixture of sand, 

 and Calanthe by chopped, sandy loam sods, while a lit- 

 tle decomposed manure will be desirable for the others. 



FIG. 45. AERI1>ES SAVAGEANUM. 



The top of the soil should be a little below the edge of 

 the pot to aid in- watering (Fig. 47, E). 



When epiphytal orchids, such as Laelias, Cattleyas, 

 Phalaenopsis, Van das, Dendrobiums, Odontoglossums 

 and Aerides, are grown in pots, they should be nearly 

 filled with potsherds and covered with a layer of peat 

 and sphagnum ; the plants placed upon this, with their 

 roots coVered with coarse peat and chopped sphagnum, 

 should be held in place by pegs and stakes. If a small 



