246 THE ORCHID REVIEW. 
under intermediate treatment, the curious Bulbophyllum Sanderianum, 
Eria excavata, the small Paphinia rugosa, and Pleurothallis maculata, with 
its numerous flowers beneath the foliage, as well as Spiranthes diuretica 
and grandiflora, Trichopilia hymenantha, and Xylobium squalens. Very 
beautiful is Cynorchis grandiflora bearing no less than five blooms. 
In the Warm department, a few interesting plants are also worth 
mentioning. The remarkable Coryanthes macrantha is a large plant 
bearing no less than three spikes. It is in perfect health, and ought to be 
the subject of a special note, for it is very rarely seen flowering in Europe. 
Dendrobium bicameratum and D. Macrei are in bloom, though the latter 
is as fugacious as a Sobralia, without its attractiveness. Trias disciflora is a 
very floriferous and pretty little plant, which thrives on a block. In 
conclusion, we must mention Cycnoches Egertonianum with its long 
racemes of purple flowers, C. Loddigesii and C. pentadactylon, all of which 
are very interesting at this period. 
ODONTO. 
CALENDAR OF OPERATIONS FOR AUGUST. 
By H. A. BURBERRY, King’s Heath, Birmingham. 
For this month, the general growing conditions of the various departments 
should undergo no change to those previously advised. Endeavour to main- 
tain such conditions as are favourable for the free and vigo1ous growth of the 
plants, and success is sure to follow. To secure the best growing conditions, 
it is necessary to give strict attention to the ventilation, warmth, moisture, 
shading, and cleanliness, not one of which can be neglected with impunity. 
On the above I lay great stress, knowing well how important it is. Many 
of the warm and intermediate growing Orchids are absolutely starved during 
their growing season, the summer months, simply for the want of that liberal 
treatment which should then be meted out to them. Under such conditions, 
it is quite impossible to secure healthy free growth, which will develop in 
due time into large strong pseudobulbs, without which no Orchid can 
produce large flower spikes, and thus be seen at its best. 
Yet, at the same time, it is no easy matter for a writer to lay down 
instructions which shall apply to every case, for glass structures vary so 
considerably ; and this being so, the methods in dealing with them must 
necessarily vary too. 
Theory and practice work splendidly hand-in-hand. Without the latter, 
however, the former, so far as Orchid growing is concerned, is of but little 
avail. A good practical grower has become so inured in his work that he 
rarely ever looks at the thermometer or hygrometer. Such things, after his 
years of practice, are not heeded by him. He has no difficulty whatever in 
securing the artificial conditions most suitable for his various houses, and 
