248 OR CHID -grower's manual. 



carmine. It should be grown in the cool-house. Native of 

 Peru. 



0. ampliaium majus. — One of the finest species in culti- 

 vation. It produces its large yellow flowers in abundance, 

 on a long branching spike three or four feet high, in April, 

 May, and June, and continues blooming for two months. 

 It is a robust-growing plant, and should be grown in a 

 mixture of peat and sphagnum. When this plant is in good 

 health and well flowered, it is one of the finest Oncidiums for 

 exhibition purposes. Native of Guatemala. 



0. Batemanii. — A good distinct kind from Brazil, growing 

 about eighteen inches high, and having pale green foliage ; 

 rather a shy-flowering plant, but one which is worth growing 

 on account of its beautiful bright yellow flowers, which are 

 produced at different times of the year. 



0. bicallosum. — A showy dwarf species, producing a single 

 dark-gi'een, thick, fleshy leaf; the spike is erect and many- 

 flowered ; sepals and petals dark brown ; lip bright yellow. 

 This makes a fine plant for winter blooming, and continues in 

 perfection a long time. It is very much like 0. Cavendishii 

 in flowers and growth, but less robust. Native of Guatemala. 



0. hicolor. — This is a fine species from the Spanish Main, 

 and blooms in September ; sepals and petals j-ellow, spotted 

 with crimson. The lip is very large, deep yellow on the 

 upper side, and almost white underneath. This will thrive 

 on a block suspended from the roof. 



0. hifoUum. — A handsome dwarf- growing species, with 

 ovate dark green pseudobulbs, which are streaked with a 

 few black marks ; the leaves are short, borne in pairs, and, 

 like the bulbs, deep green ; sepals and petals brown ; lip 

 bright yellow, and of large size. It produces short spikes 

 of these flowers in May and June, which last a long time 

 in perfection. There are two varieties of this plant, one 



