ORCHIDS. 



575 



Disa. — Terrestrial Orchids, chiefly South African, 

 among which are many handsome species, which, however, 



Fig. 696. — Dendrobium Wardianum. 



are difficult to cultivate. D. grandiflora (fig. 697) is one 

 of the most lovely scarlet Orchids known; it should be 

 grown as a marsh plant in boggy peat in a cold airy green- 

 house. It forms the type of the leafy evergreen section, 



Disa grandiflora. 



white and purple; D. racemosa, rose -red; D. crassicornis, 

 white and purple ; and D. longicornu, white or blue, are the 

 handsomest: of the grassy-leaved, D. gramvnifolia, blue: 

 I). laeera, blue; D. lugens, blue and green; b. porrecta, 



orange; and D. pulchra, a magnificent species resembling 

 a Gladiolus, lilac and rose. 



There are also several beautiful hybrids between the 

 leafy evergreen species, viz. I). Kewensis, I). Veitchii, 

 D. Premier, &c. 



Epicattleya (Epidendrum x Cattleya) : — 



E. guatemalensis. E. cinnabarina x C. Skinnerii. 1861. 



E. Mrs. J. O'Brien. E. O'Brienianum x C. Bowringiana. 1809. 



E. radiato- Bowringiana. E. radiatum x C. Bowringiana. 1898. 



Epidendrum. — A very large and widely-distributed 

 genus, many of the species being showy, while others are 



all' of which require similar treatment; as D. graminifolia 

 does of the grassy-leaved, which require to be kept warm 

 and dry during the winter while at rest. Of the leafy 

 evergreen class D. grandiflora, scarlet ; D. tripetaloides, 



Fig. 698.— Epidendrum vitellinum. 



only of botanical interest. One of the handsomest, E. 

 bicornutum, which bears large heads of fine wax -like 

 white flowers, and others of that section, are now placed 

 as a separate genus under Diacrium. 



E. atropurpureum (macrochilum). Eose, purple, and white. 

 South and Central America. I. 



E. aurantiacum. Orange. Guatemala. I. 



E. ciliare. White, fragrant at night. Tropical America. I. 



E. dichromum. Rose with purple lip. Brazil. I. 



E. Endresii. Small stems; white, violet spots. Costa Eica. I. 



E. nemorale. Rosy-mauve, streaked purple. Mexico. I. 



E. oncidioides. Yellow and brown. South America. I. 



E. prismatocarpum. Green, chocolate, and rose. Chiriqui. L 



E. pseudepidendrum. Green and scarlet. I. 



E. radicans (rhizophorum). Scarlet. Guatemala. I. 



E. Schomburcjlcii. Vermilion. Guiana. I. 



E. Stamfordianum, Yellow, purple. Guatemala. I. 



E. vitellinum (fig. 69S). Orange. Mexico. I. 



E. Wallisii. Yellow and purple. Colombia. I. 



