THE ORANGE TRIBE. 339 
a native of Asia, but is cultivated in the south of Europe. 
There are numerous varieties. , 
* CG. Aurantium, Sweet Orange—The petioles almost 
naked; fruit globose, with a thin rind and sweet pulp. 
Risso has enumerated nineteen varieties; of which the 
principal are, the China, the Portugal, and the Maltese. 
The last has a blood-colored pulp, with rich juice, and is 
now much in request. The Tangerine orange may be cul- 
tivated successfully in a common flower-pot, producing 
fruit of delicious quality for the dessert. 
“ C. Bigarda, Seville or Bitter Orange, the most hardy 
of ‘the tribe.’ The petioles winged ; fruit globose, with a 
thin rind, and bitter juice. This sort is employed for 
making marmalade, and is also used in medicine. Twelve 
varieties have been described. 
C. Decumana, the Shaddock.—The petioles broad, with 
cordate wings; fruit large, round, weighing from ten to 
fourteen pounds, with a thick rind. This -fruit was car- 
ried by Captain Shaddock from China to the British West 
Indies, where it first acquired the name which it here bears. 
It is now cultivated not only in the West India Islands, 
but extensively in South America, Four sorts are enume- 
rated. Of all the Citrus tribe, this has the most beautiful 
foliage, and it is therefore not improperly selected for fill- 
ing the back wall of'a vinery. 
The Orangery, in England, seldom differs in form, even 
where it is a separate structure, from that of the green- 
house. Most commonly, the few orange plants which are 
kept are grown in large pots, or in tubs or boxes, and oc- 
cupy a place with other exotics on the green-house shelves. 
When the trees are of considerable size, the boxes or square 
tubs are so constructed that‘they can be partially taken to 
pieces without materially disturbing the roots of the plants; 
