CAL 



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CAL 



moderately rich ; and the situation where 

 they are to bloom should be fully ex- 

 posed to the sun. They make beautiful 

 beds in the parterre, but are not so last- 

 ing as some other flowers. 



Culture. Sow the seeds in March, on 

 a gentle hotbed, either in pots or on a 

 bed of earth laid upon the heating mate- 

 rial at least six inches thick ; transplant 

 the seedlings as soon as the frosts are 

 over, either in beds of separate colours, 

 in mixtures, or in patches, in the general 

 flower-border. Whichever way is deter- 

 mined upon, the soil should be prepared 

 by the addition of a portion of fresh loam 

 and very much decayed dung, well mixed 

 with the original soil. 



Diseases. China- Asters are subject to 

 die off suddenly. There is no remedy, 

 when this occurs, but to pull up the 

 sickly plants, and remove the soil; put 

 in some fresh, and replant from the re- 

 serve stock a stock that ought always to 

 be kept ready for such occasions. 



'Insects. The green fly sometimes 

 during a dry season attacks these plants. 

 Either sprinkle with tobacco- water or 

 Scotch snuff, to destroy them. Do this 

 in the evening of a fine day, and wash it 

 off in the morning with the syringe. 



CALLISTE'MON. (From kalistosj most 

 beautiful, and stcmon, a stamen; refer- 

 ring to the graceful, long, scarlet stamens. 

 Nat. ord., Myrtleblooms [Myrtacese] . Linn., 

 12-Icosandria 1-Monogynia. Allied to 

 Leptospermum. ) 



Greenhouse evergreen shrubs, from New Hol- 

 land, with pea-like blossoms. Seeds sown in a 

 hotbed, in March ; cuttings of firm, but not solid, 

 wood, in sandy loam, under a bell-glass, in April 

 or May ; turfy peat, sandy and fibry loam, and a 

 few pieces of charcoal. Summer temp., 50 to 

 70; winter, 40 to 45. 



C. brachya'ndrum (short-stamened). 3. Fellow. 

 October. 1348. 



formo'sum Chandsome). 5. 1824. 



lanceola'tum (spear-leaved). 10. Crimson. 



June. 1788. 



leptosta'chyum (slender-spiked). 6. Green. 



June. 1820. 



linearifo'lium (narrow-leaved). 10. Red. May. 



1820. 



linea're (narrow). 6. Scarlet. June. 1728. 



lopa'nthum (crest-flowered). 0. Purple. June, 



1800. 



margina'tum (bordered). 6. 1816. 



inicrophy'llum (small-leaved). 5. 1824. 



mycro&ta'chyum (small-spiked). 5. Red. 



March. 1836. 

 - phceni'ceum (purple). 3. Purplish. March. 1943. 



pmifoflium (pine-leaved). 6. Green. June. 



pn'ngens (stinging). 6. May. 182;. 



'g-jd', (stiff). 5. Cream. April. 1800. 



ruguli'sum (small-wrinkled). 6. Pink, May. 



C. sali'gnui (willow-teaped). 6. June. 1783. 



sca'ber (rough). 4. July. 1820. 



semperfto'rens (ever-blooming). 6. Crimson- 



April. 1818. 



spenio'sum (showy). 10. Crimson. April. 1822.. 



vimina'le (twiggy). 10. Red. April. 1800. 



mridiflo'rum (green-flowered). 5. Green. July. 



1818. 



CALLI'TKIS. (From kalos, beautiful ; re- 

 ferring to the whole plant. Nat. ord.,. 

 Conifers [Pinaceaa]. Linn., 2l-Moncecia 

 13-Polyandria. Allied to Thuja.) 



The wood of C. quadriva'lnis is in great de- 

 mand by the Turks, who use it for the ceiling* 

 and floors of their mosques, as they believe it to 

 be indestructible. Greenhouse, evergreen, cypress- 

 like trees. Seeds and cuttings, under a hand- 

 light, in autumn, and protected by a cold pit ; 

 sandy loam, generally protected under a glass in 

 winter, though there seems reason to believe they 

 would flourish out of doors, in the warmer parts 

 of England, nearly as well as several of the Cy- 

 presses. 



C. cupressifo'rmis (cypress-like). 20. N. Holland. 

 1826. 



5ttflKfnya'Ji's(four-valved). 20. Apetal. Sep- 



tember. Barbary. 1815. 



trique'tra (three-sided). Apetal. April. Cap* 



of Good Hope. 1820. 



CALLU'NA. (From kalluno, to adorn ; in- 

 reference both to the beauty of the 

 Heather, and to its use as a scrubbing- 

 brush or broom. Nat. ord., Heathivort* 

 [Ericaceae]. linn., S-Octandria 1-Mono- 

 gynia.) 



Callu'na vulga'ris, the common Heather, and 

 all its varieties, are the best bee-flowers of our 

 native Flora. The C. vulga'ris is a native of many 

 parts of the British Islands, and its flowers are 

 purple, opening in April ; but there are the dou- 

 ble-blossomed, the white, the scarlet, the red, the 

 decumbent, the spiked, the downy, and variegated 

 varieties. See EBI'CA. 



CALLUS is the matter exuded from the 

 edges of the wound of a plant in the 

 process of healing. It is exuded from 

 the horizontally-communicating cells of 

 the plant ; and, in cuttings, it is from and 

 through tins exuded matter that the roots 

 and the perpendicular vessels connected 

 with them proceed. 



CALOCHI'LUS. (From kalos, beautiful, 

 and cheilos, a lip ; referring to the beauty 

 of the labellum, or lip. Nat. ord., Orchids 

 [Orchidacese]. Linn., 20-Gynandria 1- 

 Monogynia. Allied to Listera and Neottia.) 



Orchids are only apparently monandrous. 

 There are, in fact, three filaments, firmly grown 

 together in the column, the centre one bearing the 

 pollen, and the other two are barren. Greenhouse 

 terrestrial orchids. Divisions of the plant ; sandy 

 loam and turfy peat, enriched with a little lumpy, 

 old cow-dung. Encouraged to grow, when done 

 flowering, by heat and moisture ; kept cool and 

 dry after they are pretty well matured, and heat 

 given again when to be started into bloom. Sum- 

 mer temp., 50 to 75; winter, 45 to 50. 



