BOTANICAL TERMS. 247 



some plants arises, and which sends down fibres into 

 the ground. The fibres are the true root. Bulb- 

 ous roots, as they are called, are either Solid, as in 

 the Crocus and Snowdrop [Plates 5. and 9.] ; 

 Coated, as in the Onion, or Scaly, as in the Lily. 



BULGING ; swelling out irregularly : as the two outer 

 leaves in the calyx of the Wall-flower. [Plates 1. 

 and 17.] 



BUNCH ; a fruit-stalk, or flower-stalk, furnished with 

 short branches at the sides. White and red Currants 

 grow in bunches ; as also the flowers of Germander 

 Speedwell. [Plate 3.] 



CADU'COUS, (from cado, to fall) ; falling off quickly. 

 In the Poppy the calyx is caducous. This term is 

 applied also to stipules, leaves, and petals. 

 CA'LYX ; that part of a flower which, in general, grows 

 close under the corolla. [Plate 1.] There are seven 

 different kinds of calyx ; but the following only are 

 mentioned in this volume, viz. 



A Cup, as in Corn-cockle and Ground Ivy. 



[Plates 12. and 16.] 

 An Involu'crum, as in the Flowering Rush. 



[Plate 9.] 

 A Catkin, as in the Willow. [Plate 2.] Class 



Dioecia. 

 A Sheath, as in the Crocus and Snowdrop. 



[Plates 5. and 9.] 



A Veil, as in the Mosses. [Plate 22.] 



CAPSULE ; a dry hollow seed-vessel, which opens na- 



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