AND THEIR MANAGEMENT. 



50s 



Vanda, 



grown in pots. During summer they should be frequently 

 syringed about four in the afternoon, shutting the ventilators. 

 The temperature should not fall below 7odeg. during the night, 

 and water must be given unstintingly. In winter a temperature 

 of ssdeg. to 6odeg. will suffice, and the plants should be kept 

 dry. (Fig. 170; B. M., 4114-) 



V. tricolor](Z/«(//.). — In foliage, habit, and inflorescence, this 

 Orchid is very similar to V. si/avis : Reichenbach considered 

 them both varieties of one species. The chief distinction lies in 



Fig. 171. Flower of Vanda tricolor Patf.rsoni 



(nat. size). 



the colour of the flower, V. siuwis having a white ground, V. tricolor 

 a yellow; but the two are linked by mtermediate forms, ihe 

 racemes usually bear about twelve flowers, although m vigorous 

 specimens as many as eighteen have been obtained. bach 

 flower is 2in. to sin. in depth. The sepals and petals are obovate, 

 narrowed towards the base, wavy, yellow (of various shades), 

 spotted and blotched with brownish-crimson. The lip is about 

 lin. long, notched at the apex, and of a bright magenta-purple, 

 with white, parallel Imes at the base ; the small, erect side lobes are 



