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sweet pulp. There are large and small-fruited varieties of this orange, the 

 Tangierine belonging here. 



The celebrated Japanese sweet orange, flat in form, with skin readily 

 separating from pulp, belongs under this species. The Kino-Kuni, Satsuma 

 and Unshiu, are good varieties of the Japanese sweet orange. 



C. planchoni Mueller. A noble tree of Eastern Australia, 40 feet high 

 or even 60 feet, bearing small globular fruit of the size of walnuts ; known 

 as the Australian native orange. 



C tkifoliata Linne. The oranges, though small in size compared 

 with those in the markets, are exceedingly beautiful. They are, however, 

 too acid to eat out of hand ; being used as lemons for making a refreshing 

 and pleasant drink. It fruits freely, and blooms in spring with wonderful 

 profusion. The blossoms are large, pure white, and impart the same ex- 

 quisite fragrance as other oranges. In habit the tree is dwarf, upright, and 

 with abundant, rich, dark green, three-lobed foliage; which remains upon 

 the tree until after frost, and then falls. So valuable as to well merit culti- 

 vation for its beauty alone, or for its delightfully fragrant blossoms, which 

 are produced in greater or less numbers during almost the entire spring, 

 summer and autumn. Its advantages as a hedge plant are its natural dense 

 habit of growth and the abundance of its sharp thorns. It is naturally a 

 dwarf tree and will need but little trimming to keep it within bounds. It 

 has safely withstood a temperature of 18 degrees below zero entirely unpro- 

 tected. 



Cola acuminata — See feterculia acuminata. 



Congo pea — See Cajanus indicus, a vegetable. 



Corylus (Cupiliferse) 



The hazelnut or filbert, of which many varieties worth culture exist. 

 As an illustration of the influence of popular taste, a variety of the English 

 filbert, which is much larger than our native hazelnut, sells better when 

 offered in the husks. There seems to be no good reason for it, except that 

 it is supposed to be an English custom to serve them in this form. Other 

 varieties of the filbert and nuts in general are usually most carefully di- 

 vested of their outer coverings, assorted to uniform sizes, and even polished 

 and oiled to give them an attractive appearance. 



C. avellana. The European hazelnut. 



C. colurna. The Constantinople nut tree, the tallest of hazels, of 

 rapid growth and attaining a height of sixty feet. 



C. heterophylla Fischer. The Japan hazelnut. 

 Crab Apple. — See Pyrus. 

 Cranberry — see Vaccinum. 



Crataegus ( Rosacea?). 



C. azarolus. The Welsh Nedlar, a native of Southern Europe and 

 AHia. The pleasantly acidulous fruits are much used for preserves. 



Currant. The red currant is Ribes rubrum, the black currant is R. 

 nigrum. R. florid um is another black variety, indigenous to North America. 



Custard Applk — see Anona. 



