COG 



[232] 



COG 



C. versi'color (changeable). 2. Red, white, green. 

 June. Lima. 1810. 



COCCINE'LLJS. Lady- Birds. There are 

 about thirty species of this useful end 

 "beautiful insect. Let no one destroy & 

 coccinella, for it is one of the greatest 

 destroyers of the plant-louse, or aphis. 

 This is much better appreciated on the 

 Continent than in England ; for there the 

 gardeners collect lady-hirds, and place 

 them upon rose-trees, &c., infected with 

 aphides. 



COCCO'LOBA. Sea-side Grape. (From 

 Icolckos, a herry, and lobos, a lohe; in 

 reference to the fruit. Nat. ord, Buck- 

 wheats [Polygonaceoe]. Linn., Q-Ortan- 

 dria 3-Triyynia.) 



Stove evergreen trees. Cuttings of young, firm 

 shoots, in spring or summer, in sand, under a 

 bell-glass, and in bottom-heat. Summer temp., 

 63 to 80 ; winter, 50 to 55. 

 C. acumina'ta (pointed-Jeawed). 20. White, green. 

 New Grenada. J820. 



excorla'ta (barked). 80. White, green. W. 



Ind. 1733. 



flave'scens (pale yellow). 15. White. St. 



Domingo. 1820. 



laurifo'lia (laurel-leaved). 20. White, green. 



August. Caraccas. 1822. 



longtfo'lia (long-leaved). 30. White, green. 



W. Ind. 1810. 



microsta'chya (small - spiked). 16. White, 



green. W. Ind. 1824. 



ni'vea (white-teaced). 20. White, green. Ja- 



maica. 1818. 



obova'ta (reversed-egg-feai'ed). 50. White, 



green. S. Amer. 1824. 



obiustfo'lia (blunt-leaved). 20. White, green. 



Carthagena. 1822. 



orbicula'ris (round-leaved). 15. White, green. 



S. Amejr. 1825. 



pube'scens (downy). White, green. W. Ind. 



1690. 



puncta'ta (dotted). 15. White, green. W. 



Ind. 1733. 



tenuifo'lia (narrow-leaved). 30. White, green. 



Jamaica. 1820. 



uvi'fera (grape-bearing). 60. White, green. 



W. Ind. 1690. 



CO'CCULUS. (From coccus, cochineal- 

 colour ; in reference to the scarlet colour 

 of the fruit. Nat. ord., Menispermuds 

 [Menispermacese]. Linn. 22-Diaxia 6- 

 JEfexandria.) 



Stove evergreen climbers, from the East Indies. 

 The Co'cculus I'ndicus of the druggists' shops 

 is the berry of C. Plukene'tii and subero'sus. 

 Cuttings of half-ripened, small side-shoots, in 

 sandy soil, under a jjlass ; peat and loam, both 

 fibry and sandy; Summer temp., 60 to 68; 

 winter, 50 to 55. 



C. cordifo'lius (heart-leaved). 20. White, green. 

 1820. 



cri'spus (curled). 20. White, green. 1822. 



incd'nus (hoary). 10. White, green. 1820. 



laurifo'lius (laurel-leaved). 10. White, green. 



1816. 



orbicula't us (round-teauecJ) . 6. Green, yellow. 



1/90. 



C.palma'tus (hand-fcat>ed). 10. White, green. 



1800. 



Piukene'tii (Plukenet's). 10. Green, yellow. 



1~90. 



rotundifo'lius (round-leaved). 20. White, 



prreen. 1820. 



subero'sus (cork-iarAred). 20. White, green. 



1800. 



tomento'sus (woolly). 10. White, green. 18ig. 



villo'sus (long-haired). 6. Green, yellow. 1800. 



Coccus. Scale Insect. The species 

 of this family are most usually, hut not 

 exclusively, found upon the tenants of 

 our greenhouses and hothouses. The 

 males are active, hut the females usually 

 fixed to a. part of the plant. The former 

 have wings, and are so small- as to re- 

 quire a magnifier to distinguish them 

 clearly : they then appear somewhat like 

 a gnat in form. The females are much 

 larger, and in shape not unlike a bed-bug, 

 but with a scaly skin. When hatching 

 they envelope themselves in a woolly 

 case. The eggs are oval, but no larger 

 than dots. Brushing the stems and 

 branches of trees and shrubs with a 

 hard scrubbing-brush will destroy many 

 of these vermin ; and, if spirit of turpen- 

 tine, with a painter's brush, is applied, 

 so as to visit every cranny of the bark, 

 the application is perfectly effectual. 

 Smaller and more delicate plants in pots 

 may be placed under a sea-kale or other 

 cover, with a little of the spirit in a sau- 

 cer, and then submitted to a gentle heat : 

 the vapour of the turpentine will destroy 

 the insect in a hour or two. If the first 

 application fails, the second will not fail. 



G. adonidum. Mealy Bug. If this 

 insect is attacked the moment the first is 

 seen the pest may be usually avoided. 

 Vines attacked by it should have every 

 branch and stem brushed over sedulously 



with a hard brush, and then with a 

 painters brush as thoroughly painted 

 over with this mixture : Soft soap, 2 Ibs.; 



