CORNUS. 



64 



CORR.EA. 



the Lily ; and those which are only a 

 solid mass of feculent matter, and 

 which are called Corms, and which 

 Dr. Lindley does not allow to be 

 bulbs, but calls underground stems. 

 Corms do not require taking up so 

 often as bulbs ; and when they are 

 intended to remain for several years 

 in the ground, they should be planted 

 from four to six inches deep at first ; 

 as every year a new conn will form 

 above the old one ; and thus, if 

 planted too near the surface, the corm, 

 in a few years, will be pushed out of 

 the ground. 



Corn Cocklf. — See Githago. 



Cornelian Cherry. — See Cornus. 



Corn Flag. — See Gladiolus. 



Cobnus. — Cornacece The Dog- 

 wood. Well-known shrubs, with 

 whitish or yellowish flowers, and dark 

 purple berries. The species are ge- 

 nerally ornamental, from the shining 

 red bark of their branches in winter, 

 and the intensely dark purplish red 

 of their leaves in autumn. One 

 species, Cornus mas, the Cornelian 

 Cherry-tree, a native of Europe, is 

 remarkable for the large size and 

 brilliant colour of its fruit ; and 

 another, a native of North America, 

 Cornus Jlorida, for the large size of 

 its flowers, or rather for that of the 

 involucres, or floral leaves, which sur- 

 round its flowers, and which are of a 

 brilliant white inside, and tinged with 

 violet on the outside. All the spe- 

 cies are remarkable for the hardness 

 of their wood, and for the great length 

 of time which their seeds will remain 

 in the ground before they come up. 

 On this account, when any kind of 

 Cornus is to be raised from seed, the 

 seeds should be steeped in water be- 

 fore sowing ; but, generally speaking, 

 all the kinds are propagated by layers 

 or cuttings of the old wood, both of 

 which strike root freely. C. flo- 

 rida is generally grown in peat, in a 

 sheltered situation, and thrives best 



where its roots are kept in the shade ; 

 but unless its foliage is fully exposed 

 to the influence of the sun, it will 

 not flower. Travellers in North 

 America describe what are called there 

 the Dog-woods, as vast forests of this 

 tree, about twelve feet high, with 

 their branches so interlaced as to pre- 

 vent a gleam of sunshine from reach- 

 ing their roots. 



Coroni'lla. — Leguminosae. — 

 Ornamental shrubs, hardy and half- 

 hardy, with bright yellow flowers, 

 and pinnate leaves. C. Emerus, the 

 Scorpion Senna, a native of the South 

 of Europe, and the commonest and 

 hardiest species, has the flower-buds 

 red, and the expanded flowers of a 

 bright yellow. It will grow in any 

 soil or situation, and, as it will bear 

 clipping without much injury, it may- 

 be grown as a hedge- plant. It will 

 grow in any garden soil, and is propa- 

 gated by cuttings of the ripe wood or 

 layers. C. glauca, which is a native 

 of France, has bluish-green leaves, 

 and yellow flowers, which are fragrant 

 during the day, but lose their scent at 

 night. It flowers early and freely, 

 and though generally kept in the 

 greenhouse, it is very nearly hardy. 

 The soil should be a sandy loam, 

 mixed with a fourth part of vegetable 

 mould, or rotten manure ; and the 

 pots should be well drained. It is 

 propagated by seeds, which it ripens 

 in abundance, or by cuttings in sand, 

 under a bell-glass. 



Corr^a. — Rutacea. — Dwarf 

 greenhouse shrubs, with leathery- 

 leaves, which are generally either 

 brown or white on the under surface. 

 The flowers are tubular ; those of C. 

 alba, and C. rufa, which are white, 

 being much less so than the others. 

 Several new species, or hybrids, have 

 been introduced since 1835 ; but they 

 appear most nearly allied to C. spe- 

 ciosa. All the species and varieties 

 flower abundantly ; producing in a 



