THALAMIFLOR^ 



199 

 The 



the leaves of Bamboo and kachu (Colocasia) 

 Geraniacece are mostly entomophilous. 



Nat. Order 30. Rutacece. — Trees or shrubs, rarely 

 herbs. Leaves abound in pellucid glands filled 

 with essential oil, simple or compound, exstipulate. 

 Flowers regular. Sepals 4 to 5, imbricate, free or 



Fig. 172. — An Orange Flower and its Parts 



connate. Petals 4 to 5, imbricate or valvate. Stamens 

 4 or 5 to 8 or 10, rarely more, filaments free, some- 

 times polyadelphous. Ovary on a disk, composed of 

 4 to 5 carpels, sontetimes more, connate; styles as 

 many as the carpels or connate. Fruit of i to 4 

 cocci, or capsular, or drupaceous, or berry-like (bac- 

 cate). Seeds with scanty albumen or o. 



It is an Order largely tropical and extra-tropical. 

 The common plants are the different kinds of nebu 

 or Orange (fig. 172), or Lemon, or Lime {Citrus 



