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THE ORCHID REVIEW. 



[March, 1904. 



early in the season — say about April or the commencement of May — by its 

 swollen appearance. After this date all should be liberally treated with 

 water, in order to encourage the making of fine large pseudobulbs. 



Thunias should be repotted this month. The compost should be of a 

 loose, open kind to root in, composed of peat, loam and coarse silver sand. 

 Pot firmly, about four strong pseudobulbs to a 32-sized] pot. These 

 make nice, graceful, and useful plants for decorative purposes. Plenty of 

 sunshine and an intermediate temperature, with the above, are conducive to 

 short, stout, pseudobulbs and free blooming. 



There are a number of Orchids which are best suited with exactly 

 similar treatment to that which the Dendrobiums enjoy, and which have 

 been resting with that genus during the winter in intermediate temperature. 

 Such will again be moving into active growth, and will soon require atten- 

 tion. These are the Mormodes, Catasetums, Coryanthes, and Cycnoches. 

 The culture of these genera is nearly identically the same. They are all 

 most likely to give the best results if grown in pans, with the exception of 

 Coryanthes, which should be grown in baskets, and suspended in a light 

 position in the Warm house. The compost should never be allowed to get 

 sour for want of renewing ; certainly two years should be the outside limit, 

 in fact I think it better to make a practice of giving fresh sweet materials to 

 root in annually. Such would be the best safeguard against their 

 deterioration, which it is well to avoid, for when this takes place, some 

 trouble is experienced before they are again brought to a sound state of 

 healthy vigorous growth. The best fibrous peat and sphagnum moss in 

 equal proportions should be used, and make quite sure the plants are firmly 

 secured in their receptacles. The above cultural remarks will also apply 

 to Chysis, which are just starting to grow, and will soon be showing their 

 flower spikes again. 



Continue to repot any of the Dendrobiums that need it as soon as 

 possible after flowering, and afterwards place them in their proper growing 

 quarters, where they will be gradually inured to more warmth and 

 moisture as the spring advances. 



A very pretty Orchid which delights in warm treatment is Miltonia 

 Roezlii. The best position for this is a naturally moist one. It often happens 

 that the foliage of the plants is more covered with moisture at early morn- 

 ing in one part of the East Indian house than in another, and it is in such a 

 place that Miltonia Roezlii will flourish, if not too heavily shaded. A 

 light, airy position in the Cattleya house is most suitable for the other 

 Miltonias, and all that are pushing new growth from the base of the 

 pseudo-bulbs should be taken in hand and repotted if necessary. M. 

 spectabilis and its variety Moreliana are amongst the earliest to start. 

 M. vexillaria is a most popular species, and is also best suited in the 



