ORCHIDS. 



301 



which they blossom may be prolonged for a consideralDle time. There 

 are many varieties, differing in the. colour of the flowers. 



Fig. 637. — I. oAnaectochilus argenteus, Brazil : 2. A. Lowii, Borneo : 3. A. ordiana ; 4. _A. (macodes) petola, 

 Java ; 5. A. xanthophyllus„^eylon _; 6. A. argenteus pictus, Brazil : 7. A. setaceus intermedius, Ceylon ; 

 8. A. Veitchii, Java ; 9. A. Dawsonianus, East Indies ; 10. A. setaceus, Ceylon. 



The Odontoglossums are glorious flowers from Central America. 

 The O. grande (fig. 639) is a magnificent plant, and requires only 

 a moderate temperature : in fact, much heat destroys the plant. The 



Fig. 638.— Calanthe vestita. Fig. 638 a.— Tricopilia tortilis. Fig. 639.— Odontoglossum grande. 



0. Alexandrim (fig. 640) is also a superb flower, and deserves to be 

 largely cultivated. The O. pulchelluvi has a pretty little white flower. 

 I have a fine plant of the very beautiful O. Phalmiopsis (fig. 641), 

 that was given to me by Mr. Gassiot : it grows well in the fernery. 



