CORYSA'NTHUS. 



65 



COTYLEDON. 



greenhouse a constant succession of 

 flowers from November to June. They 

 require an airy, but a somewhat 

 shaded, situation. The pots should 

 be well drained, and the soil should 

 be heath mould, mixed with a little 

 loam. 



Corya / nthes. — Orchidacece. — 

 Helmet-flower. — C. macrdntha, 

 Lindl. — {Gongbra meter antha, H.) 

 has a most singular red and yellow 

 flower, part of which resembles a 

 skeleton's head, with the vertebrae 

 of the neck, and part two folded 

 bats' wings. The plant is grown in a 

 pot in sandy peat, mixed with lime 

 rubbish ; and the soil is raised above 

 the level of the pot, as the flower- 

 stalk hangs down from the root. It 

 is a native of the West Indies ; and, 

 like most other of the tropical Or- 

 chidacece, it requires abundance of 

 heat and moisture to throw it into 

 flower. 



Coryda lis. — Fumariacece. — The 

 plants composing this genus were for- 

 merly considered to belong to Fuma- 

 ria, the Fumitory, but they have 

 been separated on account of the dif- 

 ferent conformation of the capsule. 

 C. glauca, which is the most com- 

 mon species, is an annual from North 

 America, which may be sown at al- 

 most any season, and in any soil and 

 situation. C. claviculata, is a Bri- 

 tish climber, also an annual, and 

 pretty from the abundance of its small 

 white flowers. It is of very rapid 

 growth, and it is useful in covering a 

 trellis, &c, from the number and 

 dense habit of growth of its leaves. 

 It grows best in a poor sandy or gra- 

 velly soil. 



Corylus. — Amentacece or Cupu- 

 lifercB — The botanic name of the 

 Hazel, Filbert, &c. The species are 

 generally shrubs ; but C. colurna, 

 the Constantinople nut, is a large 

 tree. — See Hazel. 



Corysa'nthus. — Orchidacece. — 



Terrestrial orchidaceous plants, from 

 New Holland, which will grow in the 

 open air in England, if protected from 

 frost during winter. They have dark 

 brown flowers, and are so seldom 

 cultivated, that they would not have 

 been mentioned in the present work, 

 had it not been to prevent them from 

 being confounded with Coryanthes, a 

 genus of Stove Orchidaceae, from the 

 West Indies. 



Co'smea, orCo'sMos. — Composites. 

 — Mexican plants, generally groWn as 

 annuals, but which have tuberous 

 roots like the Dahlia, and may be 

 treated like that plant. The flowers 

 are very showy, and of a reddish 

 purple ; and the seeds, when the 

 plants are grown as annuals, should be 

 sown in March or April, in the open 

 ground ; or in autumn, if the young 

 plants can be protected during win- 

 ter. The plants will grow four or 

 five feet high in any common garden 

 soil. 



Cotonea'ster. — Rosacea. — Small 

 trees and shrubs, natives of Europe 

 and India, formerly considered to be- 

 long to the same genus as the Medlar. 

 They are all well deserving of culti- 

 vation in shrubberies, for their bright 

 scarlet or black fruit, and their pretty 

 white or pink flowers. The Nepal 

 species, C. frigida, C. afflnis, C. 

 acuminata, and C. nummularia, 

 are the most ornamental. C.rotun- 

 difolia, and C. microphylla, also 

 natives of Nepal , are remarkable for 

 their thick leathery evergreen leaves, 

 their snow-white flowers, and their 

 profusion of bright scarlet fruit. Both 

 the latter species form dwarf spread- 

 ing shrubs, and are very ornamental 

 for a lawn. All the species are 

 hardy, and will grow in any common 

 soil ; and they may all be propagated 

 by seeds, layers, cuttings, or grafting 

 on the common quince or hawthorn. 



Cotton-grass. — See Eriophorum. 



Cotyledon. — Crassulacece. — Na- 



F 



