OBCHIDS: HOW TO GROW THEM SUCCESSFULLY. 129 



SUPPLEMENTARY VARIETIES. 



IT has occurred to me that some who may have the means at 

 command for still further extending their collections may be glad 

 to have reliable information as to other sorts they may desire 

 to grow ; therefore, I propose to give a supplementary list of another 

 twenty-four Orchids suitable for Cool house culture, also twenty-four 

 more for the Intermediate house, and the same number for the 

 Warm house. 



TWENTY-FOUR ORCHIDS FOR COOL HOUSE. 



ODONTOGLOSSUM HALLII. From Ecuador. 



This Orchid requires the same treatment as O. crispum, the sepals 

 and petals of the flower being of a yellowish tint, blotched with bright 

 brown, the lip white and yellow, flushed with purple. Flowers during 

 the spring months. 



Price 5s. to 10s. 6d. per strong lead, purchased as newly imported 

 or as established plants. 



ODONTOGLOSSUM LUTEO-PURPUREUM. From Colombia. 



This requires the same treatment as O. Hallii, and there is also 

 great variation in this species. The flowers of the typical form, are of 

 a yellowish ground colour, with large blotches of bright brown, whilst 

 the lip is also yellowish, with brown spots, and it flowers during the 

 winter and spring months. 



Good strong leading bulbs should be bought at from 4s. to 7s. 6d. 

 each, and may be had newly imported or established. 



ODONTOGLOSSUM EDWARDII. From Ecuador. 



This should have the same treatment as recommended for Oncidium 

 macranthuin (see page 80). The flowers are pretty, of a violet-purple 

 colour, and are freely produced on long erect branching spikes during 

 the spring. 



Plants, either established or newly imported, from 5s. to 10s. 6d. 

 each strong lead. 



ODONTOGLOSSUM BIOTONIENSE. From Guatemala. 

 This requires the same treatment as the last named, and it flowers 

 during the autumn and winter months; tlje sepals and petals are 



